diff --git a/COMPATIBILITY.md b/COMPATIBILITY.md
new file mode 100644
index 0000000..d758b39
--- /dev/null
+++ b/COMPATIBILITY.md
@@ -0,0 +1,5 @@
+# Compatibility Matrix
+
+| Plugin Release | Minimum NetBox Version | Maximum NetBox Version |
+|----------------|------------------------|------------------------|
+| 0.1.0          | 4.4.0                  | 4.5.x                  |
diff --git a/alt_app.py b/alt_app.py
new file mode 100644
index 0000000..f762a25
--- /dev/null
+++ b/alt_app.py
@@ -0,0 +1,672 @@
+import ssl
+import atexit
+import ipaddress
+import tkinter as tk
+from tkinter import ttk, messagebox
+
+from pyVim.connect import SmartConnect, Disconnect
+from pyVmomi import vim
+import pynetbox
+
+ssl._create_default_https_context = ssl._create_unverified_context
+
+
+class ESXiNetBoxImporter:
+
+    def __init__(self, root):
+        self.root = root
+        self.root.title("ESXi -> NetBox VM Synchronizer")
+        self.root.geometry("950x750")
+
+        self.si = None
+        self.nb = None
+        self.vms = []
+
+        self.site_map = {}
+        self.cluster_map = {}
+        self.tenant_map = {}
+        self.platforms = []
+
+        self.create_gui()
+
+    # =========================================================
+    # GUI
+    # =========================================================
+
+    def create_gui(self):
+
+        main = ttk.Frame(self.root, padding=10)
+        main.pack(fill="both", expand=True)
+
+        # ============================================
+        # ESXi / vCenter
+        # ============================================
+
+        ttk.Label(main, text="ESXi / vCenter Host").grid(
+            row=0,
+            column=0,
+            sticky="w"
+        )
+
+        self.esxi_host = ttk.Entry(main, width=45)
+        self.esxi_host.grid(row=0, column=1, sticky="ew")
+
+        ttk.Label(main, text="Username").grid(
+            row=1,
+            column=0,
+            sticky="w"
+        )
+
+        self.esxi_user = ttk.Entry(main, width=45)
+        self.esxi_user.grid(row=1, column=1, sticky="ew")
+
+        ttk.Label(main, text="Password").grid(
+            row=2,
+            column=0,
+            sticky="w"
+        )
+
+        self.esxi_pass = ttk.Entry(main, width=45, show="*")
+        self.esxi_pass.grid(row=2, column=1, sticky="ew")
+
+        # ============================================
+        # NetBox
+        # ============================================
+
+        ttk.Label(main, text="NetBox URL").grid(
+            row=3,
+            column=0,
+            sticky="w"
+        )
+
+        self.nb_url = ttk.Entry(main, width=45)
+        self.nb_url.grid(row=3, column=1, sticky="ew")
+
+        ttk.Label(main, text="NetBox Token").grid(
+            row=4,
+            column=0,
+            sticky="w"
+        )
+
+        self.nb_token = ttk.Entry(main, width=45, show="*")
+        self.nb_token.grid(row=4, column=1, sticky="ew")
+
+        ttk.Button(
+            main,
+            text="Verbinden & Daten laden",
+            command=self.connect_all
+        ).grid(
+            row=5,
+            column=1,
+            sticky="e",
+            pady=10
+        )
+
+        # ============================================
+        # Zielauswahl
+        # ============================================
+
+        ttk.Label(main, text="Site").grid(
+            row=6,
+            column=0,
+            sticky="w"
+        )
+
+        self.site_combo = ttk.Combobox(main, width=42)
+        self.site_combo.grid(row=6, column=1, sticky="ew")
+
+        ttk.Label(main, text="Cluster").grid(
+            row=7,
+            column=0,
+            sticky="w"
+        )
+
+        self.cluster_combo = ttk.Combobox(main, width=42)
+        self.cluster_combo.grid(row=7, column=1, sticky="ew")
+
+        ttk.Label(main, text="Tenant").grid(
+            row=8,
+            column=0,
+            sticky="w"
+        )
+
+        self.tenant_combo = ttk.Combobox(main, width=42)
+        self.tenant_combo.grid(row=8, column=1, sticky="ew")
+
+        # ============================================
+        # VM Liste
+        # ============================================
+
+        ttk.Label(main, text="Gefundene VMs").grid(
+            row=9,
+            column=0,
+            sticky="w",
+            pady=(15, 5)
+        )
+
+        self.vm_list = tk.Listbox(
+            main,
+            selectmode=tk.MULTIPLE,
+            width=100,
+            height=25
+        )
+
+        self.vm_list.grid(
+            row=10,
+            column=0,
+            columnspan=2,
+            sticky="nsew"
+        )
+
+        scrollbar = ttk.Scrollbar(
+            main,
+            orient="vertical",
+            command=self.vm_list.yview
+        )
+
+        scrollbar.grid(row=10, column=2, sticky="ns")
+
+        self.vm_list.config(yscrollcommand=scrollbar.set)
+
+        # ============================================
+        # Buttons
+        # ============================================
+
+        btn_frame = ttk.Frame(main)
+
+        btn_frame.grid(
+            row=11,
+            column=0,
+            columnspan=2,
+            pady=10,
+            sticky="e"
+        )
+
+        ttk.Button(
+            btn_frame,
+            text="Alle auswählen",
+            command=self.select_all
+        ).pack(side="left", padx=5)
+
+        ttk.Button(
+            btn_frame,
+            text="Import / Sync starten",
+            command=self.import_vms
+        ).pack(side="left", padx=5)
+
+        # ============================================
+        # Logfeld
+        # ============================================
+
+        ttk.Label(main, text="Log").grid(
+            row=12,
+            column=0,
+            sticky="w"
+        )
+
+        self.log_text = tk.Text(main, height=10)
+
+        self.log_text.grid(
+            row=13,
+            column=0,
+            columnspan=2,
+            sticky="nsew"
+        )
+
+        main.columnconfigure(1, weight=1)
+        main.rowconfigure(10, weight=1)
+
+    # =========================================================
+    # Logging
+    # =========================================================
+
+    def log(self, text):
+
+        self.log_text.insert(tk.END, f"{text}\n")
+        self.log_text.see(tk.END)
+
+        self.root.update()
+
+    # =========================================================
+    # Select All
+    # =========================================================
+
+    def select_all(self):
+
+        self.vm_list.select_set(0, tk.END)
+
+    # =========================================================
+    # Verbindungen
+    # =========================================================
+
+    def connect_all(self):
+
+        try:
+
+            self.connect_esxi()
+            self.connect_netbox()
+
+            self.load_netbox_data()
+            self.load_vms()
+
+            messagebox.showinfo(
+                "Erfolg",
+                "Verbindung erfolgreich hergestellt"
+            )
+
+        except Exception as e:
+
+            messagebox.showerror(
+                "Fehler",
+                str(e)
+            )
+
+    def connect_esxi(self):
+
+        self.log("Verbinde zu ESXi/vCenter...")
+
+        context = ssl._create_unverified_context()
+
+        self.si = SmartConnect(
+            host=self.esxi_host.get(),
+            user=self.esxi_user.get(),
+            pwd=self.esxi_pass.get(),
+            sslContext=context
+        )
+
+        atexit.register(Disconnect, self.si)
+
+        self.log("ESXi Verbindung erfolgreich")
+
+    def connect_netbox(self):
+
+        self.log("Verbinde zu NetBox...")
+
+        self.nb = pynetbox.api(
+            self.nb_url.get(),
+            token=self.nb_token.get()
+        )
+
+        self.log("NetBox Verbindung erfolgreich")
+
+    # =========================================================
+    # NetBox Daten
+    # =========================================================
+
+    def load_netbox_data(self):
+
+        self.log("Lade NetBox Daten...")
+
+        # Sites
+        sites = list(self.nb.dcim.sites.all())
+        self.site_map = {x.name: x.id for x in sites}
+        self.site_combo["values"] = list(self.site_map.keys())
+
+        # Cluster
+        clusters = list(self.nb.virtualization.clusters.all())
+        self.cluster_map = {x.name: x.id for x in clusters}
+        self.cluster_combo["values"] = list(self.cluster_map.keys())
+
+        # Tenant
+        tenants = list(self.nb.tenancy.tenants.all())
+        self.tenant_map = {x.name: x.id for x in tenants}
+        self.tenant_combo["values"] = list(self.tenant_map.keys())
+
+        # Plattformen
+        self.platforms = list(self.nb.dcim.platforms.all())
+
+        self.log("NetBox Daten geladen")
+
+    # =========================================================
+    # VMware VMs laden
+    # =========================================================
+
+    def load_vms(self):
+
+        self.log("Lade VMs aus VMware...")
+
+        content = self.si.RetrieveContent()
+
+        container = content.rootFolder
+
+        view_type = [vim.VirtualMachine]
+
+        recursive = True
+
+        container_view = content.viewManager.CreateContainerView(
+            container,
+            view_type,
+            recursive
+        )
+
+        self.vms = container_view.view
+
+        self.vm_list.delete(0, tk.END)
+
+        for vm in self.vms:
+            self.vm_list.insert(tk.END, vm.name)
+
+        self.log(f"{len(self.vms)} VMs gefunden")
+
+    # =========================================================
+    # Plattform Mapping
+    # =========================================================
+
+    def get_platform_id(self, guest_os):
+
+        if not guest_os:
+            return None
+
+        guest_os = guest_os.lower()
+
+        for platform in self.platforms:
+
+            if platform.name.lower() in guest_os:
+                return platform.id
+
+        return None
+
+    # =========================================================
+    # Prefix automatisch ergänzen
+    # =========================================================
+
+    def get_ip_with_prefix(self, ip):
+
+        try:
+
+            addr = ipaddress.ip_address(ip)
+
+            if addr.version == 4:
+                return f"{ip}/24"
+
+            return f"{ip}/64"
+
+        except:
+            return None
+
+    # =========================================================
+    # VM Import / Sync
+    # =========================================================
+
+    def import_vms(self):
+
+        selected = self.vm_list.curselection()
+
+        if not selected:
+
+            messagebox.showwarning(
+                "Hinweis",
+                "Keine VMs ausgewählt"
+            )
+
+            return
+
+        cluster_name = self.cluster_combo.get()
+        tenant_name = self.tenant_combo.get()
+
+        cluster_id = self.cluster_map.get(cluster_name)
+        tenant_id = self.tenant_map.get(tenant_name)
+
+        if not cluster_id:
+
+            messagebox.showerror(
+                "Fehler",
+                "Bitte Cluster auswählen"
+            )
+
+            return
+
+        for idx in selected:
+
+            vm = self.vms[idx]
+
+            self.log(f"Synchronisiere VM: {vm.name}")
+
+            # ============================================
+            # Hardwaredaten
+            # ============================================
+
+            memory = int(vm.config.hardware.memoryMB)
+
+            vcpus = int(vm.config.hardware.numCPU)
+
+            # ============================================
+            # Disk in MB (NetBox >= 4.x)
+            # ============================================
+
+            disk_size = 0
+
+            for dev in vm.config.hardware.device:
+
+                if isinstance(dev, vim.vm.device.VirtualDisk):
+
+                    # VMware liefert KB
+                    # NetBox erwartet MB
+                    size_mb = dev.capacityInKB / 1024
+
+                    disk_size += round(size_mb)
+
+            # ============================================
+            # Betriebssystem
+            # ============================================
+
+            guest_os = ""
+
+            try:
+                guest_os = vm.config.guestFullName
+            except:
+                pass
+
+            platform_id = self.get_platform_id(guest_os)
+
+            # ============================================
+            # Status
+            # ============================================
+
+            power_state = str(vm.runtime.powerState)
+
+            if "poweredOn" in power_state:
+                status = "active"
+            else:
+                status = "offline"
+
+            # ============================================
+            # VM Daten
+            # ============================================
+
+            vm_data = {
+                "name": vm.name,
+                "cluster": cluster_id,
+                "status": status,
+                "vcpus": vcpus,
+                "memory": memory,
+                "disk": disk_size,
+                "tenant": tenant_id,
+                "platform": platform_id
+            }
+
+            # ============================================
+            # VM erstellen / aktualisieren
+            # ============================================
+
+            nb_vm = self.nb.virtualization.virtual_machines.get(
+                name=vm.name
+            )
+
+            if nb_vm:
+
+                nb_vm.update(vm_data)
+
+                self.log(f"VM aktualisiert: {vm.name}")
+
+            else:
+
+                nb_vm = self.nb.virtualization.virtual_machines.create(
+                    vm_data
+                )
+
+                self.log(f"VM erstellt: {vm.name}")
+
+            # ============================================
+            # Interfaces + IPs
+            # ============================================
+
+            primary_ipv4 = None
+            primary_ipv6 = None
+
+            if vm.guest and hasattr(vm.guest, "net"):
+
+                for net in vm.guest.net:
+
+                    mac = getattr(net, "macAddress", None)
+
+                    if not mac:
+                        continue
+
+                    interface_name = getattr(net, "device", None)
+
+                    if not interface_name:
+                        interface_name = f"NIC-{mac[-5:]}"
+
+                    iface_data = {
+                        "virtual_machine": nb_vm.id,
+                        "name": interface_name,
+                        "mac_address": mac,
+                        "enabled": True
+                    }
+
+                    # Interface zuerst über Namen suchen
+                    existing_iface = self.nb.virtualization.interfaces.get(
+                        virtual_machine_id=nb_vm.id,
+                        name=interface_name
+                    )
+
+                    if existing_iface:
+
+                        # Falls MAC geändert wurde -> aktualisieren
+                        existing_iface.update(iface_data)
+
+                        vm_iface = existing_iface
+
+                        self.log(
+                            f"Interface aktualisiert: {interface_name}"
+                        )
+
+                    else:
+
+                        vm_iface = self.nb.virtualization.interfaces.create(
+                            iface_data
+                        )
+
+                        self.log(
+                            f"Interface erstellt: {interface_name}"
+                        )
+
+                    self.log(f"Interface synchronisiert: {mac}")
+
+                    # ============================================
+                    # IPs
+                    # ============================================
+
+                    if hasattr(net, "ipAddress"):
+
+                        for ip in net.ipAddress:
+
+                            if ip.startswith("127."):
+                                continue
+
+                            if ip == "::1":
+                                continue
+
+                            address = self.get_ip_with_prefix(ip)
+
+                            if not address:
+                                continue
+
+                            existing_ip = self.nb.ipam.ip_addresses.get(
+                                address=address
+                            )
+
+                            ip_data = {
+                                "address": address,
+                                "status": "active",
+                                "assigned_object_type": "virtualization.vminterface",
+                                "assigned_object_id": vm_iface.id
+                            }
+
+                            if existing_ip:
+
+                                existing_ip.update(ip_data)
+
+                                ip_obj = existing_ip
+
+                                self.log(f"IP aktualisiert: {address}")
+
+                            else:
+
+                                ip_obj = self.nb.ipam.ip_addresses.create(
+                                    ip_data
+                                )
+
+                                self.log(f"IP erstellt: {address}")
+
+                            # ============================================
+                            # Primary IP setzen
+                            # ============================================
+
+                            try:
+
+                                parsed_ip = ipaddress.ip_address(ip)
+
+                                if parsed_ip.version == 4:
+
+                                    if not primary_ipv4:
+                                        primary_ipv4 = ip_obj.id
+
+                                else:
+
+                                    if not primary_ipv6:
+                                        primary_ipv6 = ip_obj.id
+
+                            except:
+                                pass
+
+            # ============================================
+            # Primäre IPs setzen
+            # ============================================
+
+            update_data = {}
+
+            if primary_ipv4:
+                update_data["primary_ip4"] = primary_ipv4
+
+            if primary_ipv6:
+                update_data["primary_ip6"] = primary_ipv6
+
+            if update_data:
+
+                nb_vm.update(update_data)
+
+                self.log(
+                    f"Primary IPs gesetzt für {vm.name}"
+                )
+
+        messagebox.showinfo(
+            "Fertig",
+            "VM Import / Synchronisierung abgeschlossen"
+        )
+
+        self.log("Synchronisierung abgeschlossen")
+
+
+# =========================================================
+# Main
+# =========================================================
+
+if __name__ == "__main__":
+
+    root = tk.Tk()
+
+    app = ESXiNetBoxImporter(root)
+
+    root.mainloop()
\ No newline at end of file
diff --git a/netbox_vmware_importer/__init__.py b/netbox_vmware_importer/__init__.py
new file mode 100644
index 0000000..131af39
--- /dev/null
+++ b/netbox_vmware_importer/__init__.py
@@ -0,0 +1,20 @@
+from netbox.plugins import PluginConfig
+
+
+class VMwareImporterConfig(PluginConfig):
+    name = "netbox_vmware_importer"
+    verbose_name = "VMware Importer"
+    description = "Synchronize VMware vSphere virtual machines into NetBox."
+    version = "0.1.0"
+    author = "Internal NetBox Team"
+    base_url = "vmware-importer"
+    min_version = "4.4.0"
+
+    def ready(self):
+        super().ready()
+
+        # Importing registers the scheduler system job with NetBox.
+        from . import jobs  # noqa: F401
+
+
+config = VMwareImporterConfig
diff --git a/netbox_vmware_importer/choices.py b/netbox_vmware_importer/choices.py
new file mode 100644
index 0000000..34ef047
--- /dev/null
+++ b/netbox_vmware_importer/choices.py
@@ -0,0 +1,18 @@
+from django.utils.translation import gettext_lazy as _
+from utilities.choices import ChoiceSet
+
+
+class SyncStatusChoices(ChoiceSet):
+    STATUS_NEVER = "never"
+    STATUS_QUEUED = "queued"
+    STATUS_RUNNING = "running"
+    STATUS_SUCCESS = "success"
+    STATUS_FAILED = "failed"
+
+    CHOICES = [
+        (STATUS_NEVER, _("Never synced"), "gray"),
+        (STATUS_QUEUED, _("Queued"), "blue"),
+        (STATUS_RUNNING, _("Running"), "cyan"),
+        (STATUS_SUCCESS, _("Success"), "green"),
+        (STATUS_FAILED, _("Failed"), "red"),
+    ]
diff --git a/netbox_vmware_importer/crypto.py b/netbox_vmware_importer/crypto.py
new file mode 100644
index 0000000..4cb2df8
--- /dev/null
+++ b/netbox_vmware_importer/crypto.py
@@ -0,0 +1,25 @@
+import base64
+import hashlib
+
+from cryptography.fernet import Fernet, InvalidToken
+from django.conf import settings
+
+
+def _fernet():
+    key = hashlib.sha256(settings.SECRET_KEY.encode("utf-8")).digest()
+    return Fernet(base64.urlsafe_b64encode(key))
+
+
+def encrypt_secret(value):
+    if value in (None, ""):
+        return ""
+    return _fernet().encrypt(value.encode("utf-8")).decode("ascii")
+
+
+def decrypt_secret(value):
+    if not value:
+        return ""
+    try:
+        return _fernet().decrypt(value.encode("ascii")).decode("utf-8")
+    except InvalidToken as exc:
+        raise ValueError("Stored VMware password cannot be decrypted. Re-enter it on the endpoint.") from exc
diff --git a/netbox_vmware_importer/filtersets.py b/netbox_vmware_importer/filtersets.py
new file mode 100644
index 0000000..07ce34a
--- /dev/null
+++ b/netbox_vmware_importer/filtersets.py
@@ -0,0 +1,53 @@
+from django.db.models import Q
+import django_filters
+from dcim.models import Site
+from netbox.filtersets import NetBoxModelFilterSet
+from tenancy.models import Tenant
+from virtualization.models import Cluster
+
+from .choices import SyncStatusChoices
+from .models import VCenterEndpoint
+
+
+class VCenterEndpointFilterSet(NetBoxModelFilterSet):
+    tenant_id = django_filters.ModelMultipleChoiceFilter(
+        field_name="tenant",
+        queryset=Tenant.objects.all(),
+    )
+    site_id = django_filters.ModelMultipleChoiceFilter(
+        field_name="site",
+        queryset=Site.objects.all(),
+    )
+    cluster_id = django_filters.ModelMultipleChoiceFilter(
+        field_name="cluster",
+        queryset=Cluster.objects.all(),
+    )
+    last_status = django_filters.MultipleChoiceFilter(
+        choices=SyncStatusChoices,
+    )
+
+    class Meta:
+        model = VCenterEndpoint
+        fields = (
+            "id",
+            "name",
+            "slug",
+            "enabled",
+            "host",
+            "tenant_id",
+            "site_id",
+            "cluster_id",
+            "last_status",
+        )
+
+    def search(self, queryset, name, value):
+        if not value.strip():
+            return queryset
+
+        return queryset.filter(
+            Q(name__icontains=value)
+            | Q(slug__icontains=value)
+            | Q(host__icontains=value)
+            | Q(username__icontains=value)
+            | Q(comments__icontains=value)
+        )
diff --git a/netbox_vmware_importer/forms.py b/netbox_vmware_importer/forms.py
new file mode 100644
index 0000000..90f836a
--- /dev/null
+++ b/netbox_vmware_importer/forms.py
@@ -0,0 +1,140 @@
+from django import forms
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext_lazy as _
+from dcim.models import Site
+from netbox.forms import NetBoxModelFilterSetForm, NetBoxModelForm
+from tenancy.models import Tenant
+from utilities.forms.fields import (
+    DynamicModelChoiceField,
+    DynamicModelMultipleChoiceField,
+    MultipleChoiceField,
+    SlugField,
+)
+from utilities.forms.rendering import FieldSet
+from virtualization.models import Cluster
+
+from .choices import SyncStatusChoices
+from .models import VCenterEndpoint
+
+
+class VCenterEndpointForm(NetBoxModelForm):
+    slug = SlugField()
+    tenant = DynamicModelChoiceField(
+        queryset=Tenant.objects.all(),
+        required=False,
+    )
+    site = DynamicModelChoiceField(
+        queryset=Site.objects.all(),
+        required=False,
+    )
+    cluster = DynamicModelChoiceField(
+        queryset=Cluster.objects.all(),
+    )
+    password = forms.CharField(
+        label=_("Password"),
+        required=False,
+        widget=forms.PasswordInput(render_value=False),
+        help_text=_("Leave blank to keep the currently stored password."),
+    )
+
+    fieldsets = (
+        FieldSet("name", "slug", "enabled", "comments", name=_("Endpoint")),
+        FieldSet("host", "port", "username", "password", "validate_ssl", name=_("VMware connection")),
+        FieldSet("tenant", "site", "cluster", name=_("NetBox target")),
+        FieldSet(
+            "include_name_regex",
+            "exclude_name_regex",
+            "sync_powered_off",
+            "sync_interfaces",
+            "sync_ip_addresses",
+            "sync_primary_ips",
+            "update_existing",
+            name=_("Sync behavior"),
+        ),
+        FieldSet("default_ipv4_prefix_length", "default_ipv6_prefix_length", "sync_interval_minutes", name=_("Automation")),
+        FieldSet("tags", name=_("Tags")),
+    )
+
+    class Meta:
+        model = VCenterEndpoint
+        fields = (
+            "name",
+            "slug",
+            "enabled",
+            "host",
+            "port",
+            "username",
+            "password",
+            "validate_ssl",
+            "tenant",
+            "site",
+            "cluster",
+            "include_name_regex",
+            "exclude_name_regex",
+            "sync_powered_off",
+            "sync_interfaces",
+            "sync_ip_addresses",
+            "sync_primary_ips",
+            "update_existing",
+            "default_ipv4_prefix_length",
+            "default_ipv6_prefix_length",
+            "sync_interval_minutes",
+            "comments",
+            "tags",
+        )
+
+    def clean(self):
+        cleaned_data = super().clean()
+        password = cleaned_data.get("password")
+
+        if not self.instance.pk and not password:
+            raise ValidationError({"password": _("A password is required for new endpoints.")})
+
+        return cleaned_data
+
+    def save(self, commit=True):
+        obj = super().save(commit=False)
+        password = self.cleaned_data.get("password")
+
+        if password:
+            obj.set_password(password)
+
+        if commit:
+            obj.save()
+            self.save_m2m()
+
+        return obj
+
+
+class VCenterEndpointFilterForm(NetBoxModelFilterSetForm):
+    model = VCenterEndpoint
+
+    enabled = forms.NullBooleanField(
+        required=False,
+        label=_("Enabled"),
+    )
+
+    tenant_id = DynamicModelMultipleChoiceField(
+        queryset=Tenant.objects.all(),
+        required=False,
+        label=_("Tenant"),
+    )
+    site_id = DynamicModelMultipleChoiceField(
+        queryset=Site.objects.all(),
+        required=False,
+        label=_("Site"),
+    )
+    cluster_id = DynamicModelMultipleChoiceField(
+        queryset=Cluster.objects.all(),
+        required=False,
+        label=_("Cluster"),
+    )
+    last_status = MultipleChoiceField(
+        choices=SyncStatusChoices,
+        required=False,
+        label=_("Last status"),
+    )
+
+    fieldsets = (
+        FieldSet("q", "enabled", "tenant_id", "site_id", "cluster_id", "last_status", name=_("Endpoint")),
+    )
diff --git a/netbox_vmware_importer/jobs.py b/netbox_vmware_importer/jobs.py
new file mode 100644
index 0000000..e3bd92a
--- /dev/null
+++ b/netbox_vmware_importer/jobs.py
@@ -0,0 +1,90 @@
+from core.exceptions import JobFailed
+from django.utils import timezone
+from netbox.jobs import JobRunner, system_job
+
+from .choices import SyncStatusChoices
+from .models import VCenterEndpoint
+from .sync import VMwareImporter
+
+
+class SyncVCenterEndpointJob(JobRunner):
+    class Meta:
+        name = "VMware VM synchronization"
+
+    def run(self, *args, **kwargs):
+        endpoint = self.job.object
+        if endpoint is None:
+            endpoint_pk = kwargs.get("endpoint_pk")
+            endpoint = VCenterEndpoint.objects.get(pk=endpoint_pk)
+
+        if not endpoint.enabled:
+            endpoint.mark_failure("Endpoint is disabled.")
+            raise JobFailed("Endpoint is disabled.")
+
+        self.logger.info("Starting VMware sync for %s (%s)", endpoint.name, endpoint.host)
+        endpoint.mark_running()
+
+        try:
+            result = VMwareImporter(endpoint, self.logger).sync()
+        except Exception as exc:
+            endpoint.mark_failure(exc)
+            raise
+
+        if result.errors:
+            endpoint.last_sync_at = timezone.now()
+            endpoint.last_status = SyncStatusChoices.STATUS_FAILED
+            endpoint.last_vm_count = result.seen
+            endpoint.last_created_count = result.created
+            endpoint.last_updated_count = result.updated
+            endpoint.last_error_count = result.errors
+            endpoint.last_status = SyncStatusChoices.STATUS_FAILED
+            endpoint.last_message = f"Finished with {result.errors} VM error(s). Check the job log."
+            endpoint.set_next_sync(endpoint.last_sync_at)
+            endpoint.save(
+                update_fields=(
+                    "last_sync_at",
+                    "last_status",
+                    "last_vm_count",
+                    "last_created_count",
+                    "last_updated_count",
+                    "last_error_count",
+                    "last_message",
+                    "next_sync_at",
+                    "last_updated",
+                )
+            )
+            raise JobFailed(endpoint.last_message)
+
+        endpoint.mark_success(result)
+        self.logger.info(
+            "VMware sync finished for %s: %s VM(s), %s created, %s updated, %s skipped.",
+            endpoint.name,
+            result.synced,
+            result.created,
+            result.updated,
+            result.skipped,
+        )
+
+
+@system_job(interval=5)
+class ScheduleDueVCenterSyncsJob(JobRunner):
+    class Meta:
+        name = "Schedule due VMware VM synchronizations"
+
+    def run(self, *args, **kwargs):
+        now = timezone.now()
+        due_endpoints = VCenterEndpoint.objects.filter(
+            enabled=True,
+            sync_interval_minutes__isnull=False,
+        ).filter(next_sync_at__lte=now)
+
+        queued = 0
+        for endpoint in due_endpoints:
+            SyncVCenterEndpointJob.enqueue_once(instance=endpoint)
+            endpoint.last_status = SyncStatusChoices.STATUS_QUEUED
+            endpoint.last_message = "Automatic sync job queued."
+            endpoint.set_next_sync(now)
+            endpoint.save(update_fields=("last_status", "last_message", "next_sync_at", "last_updated"))
+            queued += 1
+
+        self.logger.info("Queued %s VMware sync job(s).", queued)
diff --git a/netbox_vmware_importer/migrations/0001_initial.py b/netbox_vmware_importer/migrations/0001_initial.py
new file mode 100644
index 0000000..e1418b3
--- /dev/null
+++ b/netbox_vmware_importer/migrations/0001_initial.py
@@ -0,0 +1,143 @@
+import django.core.validators
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = [
+        ("dcim", "0001_initial"),
+        ("tenancy", "0001_initial"),
+        ("virtualization", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="VCenterEndpoint",
+            fields=[
+                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
+                ("created", models.DateTimeField(auto_now_add=True, null=True)),
+                ("last_updated", models.DateTimeField(auto_now=True, null=True)),
+                ("custom_field_data", models.JSONField(blank=True, default=dict)),
+                ("name", models.CharField(max_length=100, unique=True)),
+                ("slug", models.SlugField(max_length=100, unique=True)),
+                ("enabled", models.BooleanField(default=True)),
+                ("host", models.CharField(help_text="vCenter or ESXi hostname or IP address", max_length=255)),
+                (
+                    "port",
+                    models.PositiveIntegerField(
+                        default=443,
+                        validators=[
+                            django.core.validators.MinValueValidator(1),
+                            django.core.validators.MaxValueValidator(65535),
+                        ],
+                    ),
+                ),
+                ("username", models.CharField(max_length=255)),
+                ("password_ciphertext", models.TextField(blank=True, editable=False)),
+                ("validate_ssl", models.BooleanField(default=False, help_text="Validate the VMware endpoint certificate.")),
+                (
+                    "include_name_regex",
+                    models.CharField(
+                        blank=True,
+                        help_text="Only synchronize matching VM names. Leave empty to include all VMs.",
+                        max_length=255,
+                    ),
+                ),
+                ("exclude_name_regex", models.CharField(blank=True, help_text="Skip matching VM names.", max_length=255)),
+                ("sync_powered_off", models.BooleanField(default=True, verbose_name="Sync powered-off VMs")),
+                ("sync_interfaces", models.BooleanField(default=True)),
+                ("sync_ip_addresses", models.BooleanField(default=True)),
+                ("sync_primary_ips", models.BooleanField(default=True)),
+                ("update_existing", models.BooleanField(default=True, help_text="Update existing VMs matched by name and cluster.")),
+                (
+                    "default_ipv4_prefix_length",
+                    models.PositiveSmallIntegerField(
+                        default=24,
+                        validators=[
+                            django.core.validators.MinValueValidator(1),
+                            django.core.validators.MaxValueValidator(32),
+                        ],
+                    ),
+                ),
+                (
+                    "default_ipv6_prefix_length",
+                    models.PositiveSmallIntegerField(
+                        default=64,
+                        validators=[
+                            django.core.validators.MinValueValidator(1),
+                            django.core.validators.MaxValueValidator(128),
+                        ],
+                    ),
+                ),
+                (
+                    "sync_interval_minutes",
+                    models.PositiveIntegerField(
+                        blank=True,
+                        help_text="Optional automatic sync interval in minutes. Leave empty for manual sync only.",
+                        null=True,
+                        validators=[django.core.validators.MinValueValidator(5)],
+                    ),
+                ),
+                ("next_sync_at", models.DateTimeField(blank=True, editable=False, null=True)),
+                ("last_sync_at", models.DateTimeField(blank=True, editable=False, null=True)),
+                ("last_success_at", models.DateTimeField(blank=True, editable=False, null=True)),
+                (
+                    "last_status",
+                    models.CharField(
+                        choices=[
+                            ("never", "Never synced"),
+                            ("queued", "Queued"),
+                            ("running", "Running"),
+                            ("success", "Success"),
+                            ("failed", "Failed"),
+                        ],
+                        default="never",
+                        editable=False,
+                        max_length=30,
+                    ),
+                ),
+                ("last_message", models.CharField(blank=True, editable=False, max_length=500)),
+                ("last_vm_count", models.PositiveIntegerField(default=0, editable=False)),
+                ("last_created_count", models.PositiveIntegerField(default=0, editable=False)),
+                ("last_updated_count", models.PositiveIntegerField(default=0, editable=False)),
+                ("last_error_count", models.PositiveIntegerField(default=0, editable=False)),
+                ("comments", models.TextField(blank=True)),
+                (
+                    "cluster",
+                    models.ForeignKey(
+                        help_text="NetBox cluster into which VMware VMs will be synchronized.",
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="vmware_import_endpoints",
+                        to="virtualization.cluster",
+                    ),
+                ),
+                (
+                    "site",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="vmware_import_endpoints",
+                        to="dcim.site",
+                    ),
+                ),
+                (
+                    "tenant",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="vmware_import_endpoints",
+                        to="tenancy.tenant",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "vCenter endpoint",
+                "verbose_name_plural": "vCenter endpoints",
+                "ordering": ("name",),
+            },
+        ),
+    ]
diff --git a/netbox_vmware_importer/migrations/__init__.py b/netbox_vmware_importer/migrations/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/netbox_vmware_importer/migrations/__init__.py
@@ -0,0 +1 @@
+
diff --git a/netbox_vmware_importer/models.py b/netbox_vmware_importer/models.py
new file mode 100644
index 0000000..1780aa3
--- /dev/null
+++ b/netbox_vmware_importer/models.py
@@ -0,0 +1,268 @@
+import re
+from datetime import timedelta
+
+from django.core.exceptions import ValidationError
+from django.core.validators import MaxValueValidator, MinValueValidator
+from django.db import models
+from django.urls import reverse
+from django.utils import timezone
+from django.utils.translation import gettext_lazy as _
+from netbox.models import NetBoxModel
+from netbox.models.features import JobsMixin
+
+from .choices import SyncStatusChoices
+from .crypto import decrypt_secret, encrypt_secret
+
+
+class VCenterEndpoint(JobsMixin, NetBoxModel):
+    name = models.CharField(
+        max_length=100,
+        unique=True,
+    )
+    slug = models.SlugField(
+        max_length=100,
+        unique=True,
+    )
+    enabled = models.BooleanField(
+        default=True,
+    )
+    host = models.CharField(
+        max_length=255,
+        help_text=_("vCenter or ESXi hostname or IP address"),
+    )
+    port = models.PositiveIntegerField(
+        default=443,
+        validators=[MinValueValidator(1), MaxValueValidator(65535)],
+    )
+    username = models.CharField(
+        max_length=255,
+    )
+    password_ciphertext = models.TextField(
+        blank=True,
+        editable=False,
+    )
+    validate_ssl = models.BooleanField(
+        default=False,
+        help_text=_("Validate the VMware endpoint certificate."),
+    )
+    tenant = models.ForeignKey(
+        to="tenancy.Tenant",
+        on_delete=models.PROTECT,
+        related_name="vmware_import_endpoints",
+        blank=True,
+        null=True,
+    )
+    site = models.ForeignKey(
+        to="dcim.Site",
+        on_delete=models.PROTECT,
+        related_name="vmware_import_endpoints",
+        blank=True,
+        null=True,
+    )
+    cluster = models.ForeignKey(
+        to="virtualization.Cluster",
+        on_delete=models.PROTECT,
+        related_name="vmware_import_endpoints",
+        help_text=_("NetBox cluster into which VMware VMs will be synchronized."),
+    )
+    include_name_regex = models.CharField(
+        max_length=255,
+        blank=True,
+        help_text=_("Only synchronize matching VM names. Leave empty to include all VMs."),
+    )
+    exclude_name_regex = models.CharField(
+        max_length=255,
+        blank=True,
+        help_text=_("Skip matching VM names."),
+    )
+    sync_powered_off = models.BooleanField(
+        default=True,
+        verbose_name=_("Sync powered-off VMs"),
+    )
+    sync_interfaces = models.BooleanField(
+        default=True,
+    )
+    sync_ip_addresses = models.BooleanField(
+        default=True,
+    )
+    sync_primary_ips = models.BooleanField(
+        default=True,
+    )
+    update_existing = models.BooleanField(
+        default=True,
+        help_text=_("Update existing VMs matched by name and cluster."),
+    )
+    default_ipv4_prefix_length = models.PositiveSmallIntegerField(
+        default=24,
+        validators=[MinValueValidator(1), MaxValueValidator(32)],
+    )
+    default_ipv6_prefix_length = models.PositiveSmallIntegerField(
+        default=64,
+        validators=[MinValueValidator(1), MaxValueValidator(128)],
+    )
+    sync_interval_minutes = models.PositiveIntegerField(
+        blank=True,
+        null=True,
+        validators=[MinValueValidator(5)],
+        help_text=_("Optional automatic sync interval in minutes. Leave empty for manual sync only."),
+    )
+    next_sync_at = models.DateTimeField(
+        blank=True,
+        null=True,
+        editable=False,
+    )
+    last_sync_at = models.DateTimeField(
+        blank=True,
+        null=True,
+        editable=False,
+    )
+    last_success_at = models.DateTimeField(
+        blank=True,
+        null=True,
+        editable=False,
+    )
+    last_status = models.CharField(
+        max_length=30,
+        choices=SyncStatusChoices,
+        default=SyncStatusChoices.STATUS_NEVER,
+        editable=False,
+    )
+    last_message = models.CharField(
+        max_length=500,
+        blank=True,
+        editable=False,
+    )
+    last_vm_count = models.PositiveIntegerField(
+        default=0,
+        editable=False,
+    )
+    last_created_count = models.PositiveIntegerField(
+        default=0,
+        editable=False,
+    )
+    last_updated_count = models.PositiveIntegerField(
+        default=0,
+        editable=False,
+    )
+    last_error_count = models.PositiveIntegerField(
+        default=0,
+        editable=False,
+    )
+    comments = models.TextField(
+        blank=True,
+    )
+
+    clone_fields = (
+        "enabled",
+        "host",
+        "port",
+        "username",
+        "validate_ssl",
+        "tenant",
+        "site",
+        "cluster",
+        "include_name_regex",
+        "exclude_name_regex",
+        "sync_powered_off",
+        "sync_interfaces",
+        "sync_ip_addresses",
+        "sync_primary_ips",
+        "update_existing",
+        "default_ipv4_prefix_length",
+        "default_ipv6_prefix_length",
+        "sync_interval_minutes",
+    )
+
+    class Meta:
+        ordering = ("name",)
+        verbose_name = _("vCenter endpoint")
+        verbose_name_plural = _("vCenter endpoints")
+
+    def __str__(self):
+        return self.name
+
+    def get_absolute_url(self):
+        return reverse("plugins:netbox_vmware_importer:vcenterendpoint", args=[self.pk])
+
+    @property
+    def password(self):
+        return decrypt_secret(self.password_ciphertext)
+
+    def set_password(self, value):
+        self.password_ciphertext = encrypt_secret(value)
+
+    def clean(self):
+        super().clean()
+
+        for field_name in ("include_name_regex", "exclude_name_regex"):
+            pattern = getattr(self, field_name)
+            if not pattern:
+                continue
+            try:
+                re.compile(pattern)
+            except re.error as exc:
+                raise ValidationError({field_name: _("Invalid regular expression: %(error)s") % {"error": exc}})
+
+        if self.site_id and self.cluster_id and getattr(self.cluster, "site_id", None):
+            if self.cluster.site_id != self.site_id:
+                raise ValidationError({"cluster": _("Selected cluster belongs to a different site.")})
+
+    def mark_queued(self):
+        self.last_status = SyncStatusChoices.STATUS_QUEUED
+        self.last_message = _("Sync job queued.")
+        self.save(update_fields=("last_status", "last_message", "last_updated"))
+
+    def mark_running(self):
+        self.last_sync_at = timezone.now()
+        self.last_status = SyncStatusChoices.STATUS_RUNNING
+        self.last_message = _("Sync job running.")
+        self.save(update_fields=("last_sync_at", "last_status", "last_message", "last_updated"))
+
+    def mark_success(self, result):
+        now = timezone.now()
+        self.last_sync_at = now
+        self.last_success_at = now
+        self.last_status = SyncStatusChoices.STATUS_SUCCESS
+        self.last_vm_count = result.seen
+        self.last_created_count = result.created
+        self.last_updated_count = result.updated
+        self.last_error_count = result.errors
+        self.last_message = _(
+            "Synchronized %(synced)s VM(s), skipped %(skipped)s VM(s)."
+        ) % {"synced": result.synced, "skipped": result.skipped}
+        self.set_next_sync(now)
+        self.save(
+            update_fields=(
+                "last_sync_at",
+                "last_success_at",
+                "last_status",
+                "last_vm_count",
+                "last_created_count",
+                "last_updated_count",
+                "last_error_count",
+                "last_message",
+                "next_sync_at",
+                "last_updated",
+            )
+        )
+
+    def mark_failure(self, message):
+        now = timezone.now()
+        self.last_sync_at = now
+        self.last_status = SyncStatusChoices.STATUS_FAILED
+        self.last_message = str(message)[:500]
+        self.set_next_sync(now)
+        self.save(update_fields=("last_sync_at", "last_status", "last_message", "next_sync_at", "last_updated"))
+
+    def set_next_sync(self, now=None):
+        if self.enabled and self.sync_interval_minutes:
+            self.next_sync_at = (now or timezone.now()) + timedelta(minutes=self.sync_interval_minutes)
+        else:
+            self.next_sync_at = None
+
+    def save(self, *args, **kwargs):
+        if not self.enabled or not self.sync_interval_minutes:
+            self.next_sync_at = None
+        elif not self.next_sync_at:
+            self.set_next_sync()
+        return super().save(*args, **kwargs)
diff --git a/netbox_vmware_importer/navigation.py b/netbox_vmware_importer/navigation.py
new file mode 100644
index 0000000..5feec7a
--- /dev/null
+++ b/netbox_vmware_importer/navigation.py
@@ -0,0 +1,26 @@
+from netbox.choices import ButtonColorChoices
+from netbox.plugins import PluginMenu, PluginMenuButton, PluginMenuItem
+
+
+endpoint_item = PluginMenuItem(
+    link="plugins:netbox_vmware_importer:vcenterendpoint_list",
+    link_text="vCenter Endpoints",
+    permissions=["netbox_vmware_importer.view_vcenterendpoint"],
+    buttons=(
+        PluginMenuButton(
+            "plugins:netbox_vmware_importer:vcenterendpoint_add",
+            "Add",
+            "mdi mdi-plus-thick",
+            ButtonColorChoices.GREEN,
+            permissions=["netbox_vmware_importer.add_vcenterendpoint"],
+        ),
+    ),
+)
+
+menu = PluginMenu(
+    label="VMware Import",
+    groups=(
+        ("VMware", (endpoint_item,)),
+    ),
+    icon_class="mdi mdi-cloud-sync",
+)
diff --git a/netbox_vmware_importer/sync.py b/netbox_vmware_importer/sync.py
new file mode 100644
index 0000000..c3d926f
--- /dev/null
+++ b/netbox_vmware_importer/sync.py
@@ -0,0 +1,377 @@
+import ipaddress
+import re
+import ssl
+from dataclasses import dataclass, field
+
+from django.contrib.contenttypes.models import ContentType
+from django.db import transaction
+from dcim.models import Platform
+from ipam.models import IPAddress
+from virtualization.models import VMInterface, VirtualMachine
+
+try:
+    from pyVim.connect import Disconnect, SmartConnect
+    from pyVmomi import vim
+except ImportError:  # pragma: no cover - handled at runtime inside NetBox
+    Disconnect = None
+    SmartConnect = None
+    vim = None
+
+
+@dataclass
+class InterfaceData:
+    name: str
+    mac_address: str
+    ip_addresses: list[str] = field(default_factory=list)
+
+
+@dataclass
+class VMData:
+    name: str
+    status: str
+    vcpus: int
+    memory_mb: int
+    disk_mb: int
+    guest_os: str = ""
+    interfaces: list[InterfaceData] = field(default_factory=list)
+
+
+@dataclass
+class SyncResult:
+    seen: int = 0
+    synced: int = 0
+    skipped: int = 0
+    created: int = 0
+    updated: int = 0
+    errors: int = 0
+    interfaces_created: int = 0
+    interfaces_updated: int = 0
+    ip_addresses_created: int = 0
+    ip_addresses_updated: int = 0
+    ip_conflicts: int = 0
+
+
+class VMwareConnectionError(RuntimeError):
+    pass
+
+
+class VMwareClient:
+    def __init__(self, endpoint):
+        self.endpoint = endpoint
+        self.service_instance = None
+
+    def __enter__(self):
+        if SmartConnect is None:
+            raise VMwareConnectionError("pyVmomi is not installed in the NetBox Python environment.")
+
+        ssl_context = None
+        if not self.endpoint.validate_ssl:
+            ssl_context = ssl._create_unverified_context()
+
+        self.service_instance = SmartConnect(
+            host=self.endpoint.host,
+            port=self.endpoint.port,
+            user=self.endpoint.username,
+            pwd=self.endpoint.password,
+            sslContext=ssl_context,
+        )
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        if self.service_instance is not None and Disconnect is not None:
+            Disconnect(self.service_instance)
+
+    def iter_virtual_machines(self):
+        content = self.service_instance.RetrieveContent()
+        container_view = content.viewManager.CreateContainerView(
+            content.rootFolder,
+            [vim.VirtualMachine],
+            True,
+        )
+
+        try:
+            for vm_obj in container_view.view:
+                yield self._build_vm_data(vm_obj)
+        finally:
+            container_view.Destroy()
+
+    def _build_vm_data(self, vm_obj):
+        config = getattr(vm_obj, "config", None)
+        hardware = getattr(config, "hardware", None)
+
+        memory_mb = int(getattr(hardware, "memoryMB", 0) or 0)
+        vcpus = int(getattr(hardware, "numCPU", 0) or 0)
+        disk_mb = self._get_disk_size_mb(hardware)
+        guest_os = getattr(config, "guestFullName", "") or ""
+        power_state = str(getattr(getattr(vm_obj, "runtime", None), "powerState", ""))
+        status = "active" if "poweredOn" in power_state else "offline"
+
+        return VMData(
+            name=vm_obj.name,
+            status=status,
+            vcpus=vcpus,
+            memory_mb=memory_mb,
+            disk_mb=disk_mb,
+            guest_os=guest_os,
+            interfaces=self._get_interfaces(vm_obj),
+        )
+
+    @staticmethod
+    def _get_disk_size_mb(hardware):
+        disk_mb = 0
+        for device in getattr(hardware, "device", []) or []:
+            if isinstance(device, vim.vm.device.VirtualDisk):
+                disk_mb += round((device.capacityInKB or 0) / 1024)
+        return disk_mb
+
+    @staticmethod
+    def _get_interfaces(vm_obj):
+        interfaces = []
+        guest = getattr(vm_obj, "guest", None)
+
+        for network in getattr(guest, "net", []) or []:
+            mac_address = getattr(network, "macAddress", None)
+            if not mac_address:
+                continue
+
+            name = getattr(network, "device", None) or f"NIC-{mac_address[-5:].replace(':', '')}"
+            interfaces.append(
+                InterfaceData(
+                    name=name,
+                    mac_address=mac_address,
+                    ip_addresses=list(getattr(network, "ipAddress", []) or []),
+                )
+            )
+
+        return interfaces
+
+
+class VMwareImporter:
+    def __init__(self, endpoint, logger):
+        self.endpoint = endpoint
+        self.logger = logger
+        self.include_pattern = re.compile(endpoint.include_name_regex) if endpoint.include_name_regex else None
+        self.exclude_pattern = re.compile(endpoint.exclude_name_regex) if endpoint.exclude_name_regex else None
+        self.interface_content_type = None
+
+    def sync(self):
+        result = SyncResult()
+        platforms = list(Platform.objects.all())
+        self.interface_content_type = ContentType.objects.get_for_model(VMInterface)
+
+        with VMwareClient(self.endpoint) as client:
+            for vm_data in client.iter_virtual_machines():
+                result.seen += 1
+
+                if not self._should_sync_vm(vm_data):
+                    result.skipped += 1
+                    continue
+
+                try:
+                    with transaction.atomic():
+                        self._sync_vm(vm_data, platforms, result)
+                    result.synced += 1
+                except Exception as exc:  # pragma: no cover - needs NetBox integration test
+                    result.errors += 1
+                    self.logger.error("Failed to synchronize VM %s: %s", vm_data.name, exc)
+
+        return result
+
+    def _should_sync_vm(self, vm_data):
+        if self.include_pattern and not self.include_pattern.search(vm_data.name):
+            return False
+        if self.exclude_pattern and self.exclude_pattern.search(vm_data.name):
+            return False
+        if vm_data.status == "offline" and not self.endpoint.sync_powered_off:
+            return False
+        return True
+
+    def _sync_vm(self, vm_data, platforms, result):
+        nb_vm = VirtualMachine.objects.filter(
+            name=vm_data.name,
+            cluster=self.endpoint.cluster,
+        ).first()
+
+        created = nb_vm is None
+        if created:
+            nb_vm = VirtualMachine(
+                name=vm_data.name,
+                cluster=self.endpoint.cluster,
+            )
+        elif not self.endpoint.update_existing:
+            result.skipped += 1
+            return
+
+        nb_vm.status = vm_data.status
+        nb_vm.vcpus = vm_data.vcpus
+        nb_vm.memory = vm_data.memory_mb
+        nb_vm.disk = vm_data.disk_mb
+        nb_vm.tenant = self.endpoint.tenant
+        nb_vm.platform = self._match_platform(vm_data.guest_os, platforms)
+
+        nb_vm.full_clean()
+        nb_vm.save()
+
+        if created:
+            result.created += 1
+            self.logger.info("Created VM %s", vm_data.name)
+        else:
+            result.updated += 1
+            self.logger.info("Updated VM %s", vm_data.name)
+
+        if self.endpoint.sync_interfaces:
+            primary_ipv4, primary_ipv6 = self._sync_interfaces(nb_vm, vm_data, result)
+            self._set_primary_ips(nb_vm, primary_ipv4, primary_ipv6)
+
+    @staticmethod
+    def _match_platform(guest_os, platforms):
+        if not guest_os:
+            return None
+
+        guest_os_lower = guest_os.lower()
+        for platform in platforms:
+            if platform.name.lower() in guest_os_lower:
+                return platform
+
+        return None
+
+    def _sync_interfaces(self, nb_vm, vm_data, result):
+        primary_ipv4 = None
+        primary_ipv6 = None
+
+        for interface_data in vm_data.interfaces:
+            vm_interface = VMInterface.objects.filter(
+                virtual_machine=nb_vm,
+                name=interface_data.name,
+            ).first()
+            created = vm_interface is None
+
+            if created:
+                vm_interface = VMInterface(
+                    virtual_machine=nb_vm,
+                    name=interface_data.name,
+                )
+
+            vm_interface.mac_address = interface_data.mac_address
+            vm_interface.enabled = True
+            vm_interface.full_clean()
+            vm_interface.save()
+
+            if created:
+                result.interfaces_created += 1
+                self.logger.info("Created interface %s on %s", interface_data.name, nb_vm.name)
+            else:
+                result.interfaces_updated += 1
+                self.logger.info("Updated interface %s on %s", interface_data.name, nb_vm.name)
+
+            if not self.endpoint.sync_ip_addresses:
+                continue
+
+            for raw_ip in interface_data.ip_addresses:
+                normalized = self._normalize_ip_address(raw_ip)
+                if normalized is None:
+                    continue
+
+                address, family = normalized
+                ip_obj = self._sync_ip_address(address, vm_interface, result)
+                if ip_obj is None:
+                    continue
+
+                if family == 4 and primary_ipv4 is None:
+                    primary_ipv4 = ip_obj
+                if family == 6 and primary_ipv6 is None:
+                    primary_ipv6 = ip_obj
+
+        return primary_ipv4, primary_ipv6
+
+    def _normalize_ip_address(self, raw_ip):
+        if not raw_ip:
+            return None
+
+        raw_ip = str(raw_ip).split("%", 1)[0]
+
+        try:
+            if "/" in raw_ip:
+                ip_interface = ipaddress.ip_interface(raw_ip)
+                ip_obj = ip_interface.ip
+                prefix_length = ip_interface.network.prefixlen
+            else:
+                ip_obj = ipaddress.ip_address(raw_ip)
+                prefix_length = (
+                    self.endpoint.default_ipv4_prefix_length
+                    if ip_obj.version == 4
+                    else self.endpoint.default_ipv6_prefix_length
+                )
+        except ValueError:
+            return None
+
+        if ip_obj.is_loopback or ip_obj.is_link_local or ip_obj.is_unspecified or ip_obj.is_multicast:
+            return None
+
+        return f"{ip_obj.compressed}/{prefix_length}", ip_obj.version
+
+    def _sync_ip_address(self, address, vm_interface, result):
+        existing_ip = IPAddress.objects.filter(address=address).first()
+
+        if existing_ip and not self._may_update_ip(existing_ip, vm_interface):
+            result.ip_conflicts += 1
+            self.logger.warning(
+                "Skipped IP %s because it belongs to another tenant or object.",
+                address,
+            )
+            return None
+
+        created = existing_ip is None
+        ip_obj = existing_ip or IPAddress(address=address)
+        ip_obj.status = "active"
+        ip_obj.assigned_object = vm_interface
+
+        if hasattr(ip_obj, "tenant"):
+            ip_obj.tenant = self.endpoint.tenant
+
+        ip_obj.full_clean()
+        ip_obj.save()
+
+        if created:
+            result.ip_addresses_created += 1
+            self.logger.info("Created IP %s", address)
+        else:
+            result.ip_addresses_updated += 1
+            self.logger.info("Updated IP %s", address)
+
+        return ip_obj
+
+    def _may_update_ip(self, ip_obj, vm_interface):
+        assigned_to_this_interface = (
+            ip_obj.assigned_object_type_id == self.interface_content_type.id
+            and ip_obj.assigned_object_id == vm_interface.pk
+        )
+
+        if assigned_to_this_interface:
+            return True
+
+        ip_tenant_id = getattr(ip_obj, "tenant_id", None)
+        if self.endpoint.tenant_id and ip_tenant_id and ip_tenant_id != self.endpoint.tenant_id:
+            return False
+
+        if ip_obj.assigned_object_id and not assigned_to_this_interface:
+            return False
+
+        return True
+
+    def _set_primary_ips(self, nb_vm, primary_ipv4, primary_ipv6):
+        if not self.endpoint.sync_primary_ips:
+            return
+
+        update_fields = []
+        if primary_ipv4 is not None:
+            nb_vm.primary_ip4 = primary_ipv4
+            update_fields.append("primary_ip4")
+        if primary_ipv6 is not None:
+            nb_vm.primary_ip6 = primary_ipv6
+            update_fields.append("primary_ip6")
+
+        if update_fields:
+            nb_vm.full_clean()
+            nb_vm.save(update_fields=update_fields)
+            self.logger.info("Updated primary IPs for %s", nb_vm.name)
diff --git a/netbox_vmware_importer/tables.py b/netbox_vmware_importer/tables.py
new file mode 100644
index 0000000..ff02938
--- /dev/null
+++ b/netbox_vmware_importer/tables.py
@@ -0,0 +1,53 @@
+import django_tables2 as tables
+from django.utils.translation import gettext_lazy as _
+from netbox.tables import NetBoxTable
+from netbox.tables.columns import BooleanColumn, ChoiceFieldColumn
+
+from .models import VCenterEndpoint
+
+
+class VCenterEndpointTable(NetBoxTable):
+    name = tables.Column(
+        linkify=True,
+    )
+    enabled = BooleanColumn()
+    tenant = tables.Column(
+        linkify=True,
+    )
+    site = tables.Column(
+        linkify=True,
+    )
+    cluster = tables.Column(
+        linkify=True,
+    )
+    last_status = ChoiceFieldColumn(
+        verbose_name=_("Last status"),
+    )
+
+    class Meta(NetBoxTable.Meta):
+        model = VCenterEndpoint
+        fields = (
+            "pk",
+            "id",
+            "name",
+            "enabled",
+            "host",
+            "tenant",
+            "site",
+            "cluster",
+            "sync_interval_minutes",
+            "next_sync_at",
+            "last_status",
+            "last_sync_at",
+            "last_success_at",
+        )
+        default_columns = (
+            "pk",
+            "name",
+            "enabled",
+            "host",
+            "tenant",
+            "cluster",
+            "last_status",
+            "last_sync_at",
+        )
diff --git a/netbox_vmware_importer/templates/netbox_vmware_importer/vcenterendpoint.html b/netbox_vmware_importer/templates/netbox_vmware_importer/vcenterendpoint.html
new file mode 100644
index 0000000..982f7a2
--- /dev/null
+++ b/netbox_vmware_importer/templates/netbox_vmware_importer/vcenterendpoint.html
@@ -0,0 +1,136 @@
+{% extends 'generic/object.html' %}
+
+{% block content %}
+<div class="row mb-3">
+  <div class="col col-md-6">
+    <div class="card">
+      <h5 class="card-header">vCenter</h5>
+      <table class="table table-hover attr-table">
+        <tr>
+          <th scope="row">Name</th>
+          <td>{{ object.name }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Host</th>
+          <td>{{ object.host }}:{{ object.port }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Username</th>
+          <td>{{ object.username }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Enabled</th>
+          <td>{{ object.enabled|yesno:"Yes,No" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Validate SSL</th>
+          <td>{{ object.validate_ssl|yesno:"Yes,No" }}</td>
+        </tr>
+      </table>
+    </div>
+  </div>
+  <div class="col col-md-6">
+    <div class="card">
+      <h5 class="card-header">NetBox Target</h5>
+      <table class="table table-hover attr-table">
+        <tr>
+          <th scope="row">Tenant</th>
+          <td>{{ object.tenant|default:"-" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Site</th>
+          <td>{{ object.site|default:"-" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Cluster</th>
+          <td>{{ object.cluster }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Sync interval</th>
+          <td>{{ object.sync_interval_minutes|default:"Manual only" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Next sync</th>
+          <td>{{ object.next_sync_at|default:"-" }}</td>
+        </tr>
+      </table>
+    </div>
+  </div>
+</div>
+
+<div class="row mb-3">
+  <div class="col col-md-6">
+    <div class="card">
+      <h5 class="card-header">Sync</h5>
+      <table class="table table-hover attr-table">
+        <tr>
+          <th scope="row">Last status</th>
+          <td>{{ object.get_last_status_display }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Last sync</th>
+          <td>{{ object.last_sync_at|default:"-" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Last success</th>
+          <td>{{ object.last_success_at|default:"-" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">VMs</th>
+          <td>{{ object.last_vm_count }} total, {{ object.last_created_count }} created, {{ object.last_updated_count }} updated, {{ object.last_error_count }} errors</td>
+        </tr>
+        <tr>
+          <th scope="row">Message</th>
+          <td>{{ object.last_message|default:"-" }}</td>
+        </tr>
+      </table>
+      {% if perms.netbox_vmware_importer.change_vcenterendpoint %}
+      <div class="card-footer">
+        <form method="post" action="{% url 'plugins:netbox_vmware_importer:vcenterendpoint_sync' pk=object.pk %}">
+          {% csrf_token %}
+          <button type="submit" class="btn btn-primary">
+            <i class="mdi mdi-sync"></i> Sync jetzt starten
+          </button>
+        </form>
+      </div>
+      {% endif %}
+    </div>
+  </div>
+  <div class="col col-md-6">
+    <div class="card">
+      <h5 class="card-header">Filters</h5>
+      <table class="table table-hover attr-table">
+        <tr>
+          <th scope="row">Include regex</th>
+          <td>{{ object.include_name_regex|default:"-" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Exclude regex</th>
+          <td>{{ object.exclude_name_regex|default:"-" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Powered off VMs</th>
+          <td>{{ object.sync_powered_off|yesno:"Synced,Skipped" }}</td>
+        </tr>
+        <tr>
+          <th scope="row">Interfaces/IPs</th>
+          <td>{{ object.sync_interfaces|yesno:"Interfaces on,Interfaces off" }} / {{ object.sync_ip_addresses|yesno:"IPs on,IPs off" }}</td>
+        </tr>
+      </table>
+    </div>
+  </div>
+</div>
+
+{% if object.comments %}
+<div class="row mb-3">
+  <div class="col">
+    <div class="card">
+      <h5 class="card-header">Comments</h5>
+      <div class="card-body rendered-markdown">
+        {{ object.comments|linebreaksbr }}
+      </div>
+    </div>
+  </div>
+</div>
+{% endif %}
+{% endblock content %}
diff --git a/netbox_vmware_importer/urls.py b/netbox_vmware_importer/urls.py
new file mode 100644
index 0000000..e4ef7e4
--- /dev/null
+++ b/netbox_vmware_importer/urls.py
@@ -0,0 +1,12 @@
+from django.urls import path
+
+from . import views
+
+urlpatterns = (
+    path("vcenters/", views.VCenterEndpointListView.as_view(), name="vcenterendpoint_list"),
+    path("vcenters/add/", views.VCenterEndpointEditView.as_view(), name="vcenterendpoint_add"),
+    path("vcenters/<int:pk>/", views.VCenterEndpointView.as_view(), name="vcenterendpoint"),
+    path("vcenters/<int:pk>/edit/", views.VCenterEndpointEditView.as_view(), name="vcenterendpoint_edit"),
+    path("vcenters/<int:pk>/delete/", views.VCenterEndpointDeleteView.as_view(), name="vcenterendpoint_delete"),
+    path("vcenters/<int:pk>/sync/", views.VCenterEndpointSyncView.as_view(), name="vcenterendpoint_sync"),
+)
diff --git a/netbox_vmware_importer/views.py b/netbox_vmware_importer/views.py
new file mode 100644
index 0000000..bf1ed68
--- /dev/null
+++ b/netbox_vmware_importer/views.py
@@ -0,0 +1,51 @@
+from django.contrib import messages
+from django.http import HttpResponseForbidden
+from django.shortcuts import get_object_or_404, redirect
+from django.utils.translation import gettext_lazy as _
+from django.views import View
+from netbox.views import generic
+
+from .filtersets import VCenterEndpointFilterSet
+from .forms import VCenterEndpointFilterForm, VCenterEndpointForm
+from .jobs import SyncVCenterEndpointJob
+from .models import VCenterEndpoint
+from .tables import VCenterEndpointTable
+
+
+class VCenterEndpointListView(generic.ObjectListView):
+    queryset = VCenterEndpoint.objects.all()
+    table = VCenterEndpointTable
+    filterset = VCenterEndpointFilterSet
+    filterset_form = VCenterEndpointFilterForm
+
+
+class VCenterEndpointView(generic.ObjectView):
+    queryset = VCenterEndpoint.objects.all()
+
+    def get_extra_context(self, request, instance):
+        return {
+            "latest_jobs": instance.get_latest_jobs()[:10],
+        }
+
+
+class VCenterEndpointEditView(generic.ObjectEditView):
+    queryset = VCenterEndpoint.objects.all()
+    form = VCenterEndpointForm
+
+
+class VCenterEndpointDeleteView(generic.ObjectDeleteView):
+    queryset = VCenterEndpoint.objects.all()
+
+
+class VCenterEndpointSyncView(View):
+    def post(self, request, pk):
+        endpoint = get_object_or_404(VCenterEndpoint, pk=pk)
+
+        if not request.user.has_perm("netbox_vmware_importer.change_vcenterendpoint"):
+            return HttpResponseForbidden()
+
+        SyncVCenterEndpointJob.enqueue(instance=endpoint)
+        endpoint.mark_queued()
+        messages.success(request, _("VMware sync job queued for %(endpoint)s.") % {"endpoint": endpoint})
+
+        return redirect(endpoint)
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..45402ae
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,32 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "netbox-vmware-importer"
+version = "0.1.0"
+description = "NetBox plugin to synchronize VMware vSphere virtual machines into NetBox."
+readme = "README.md"
+requires-python = ">=3.12"
+authors = [
+    {name = "Internal NetBox Team"}
+]
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Framework :: Django",
+    "Intended Audience :: System Administrators",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+]
+dependencies = [
+    "netbox>=4.4,<4.6",
+    "pyvmomi>=8.0.3",
+    "cryptography>=42.0",
+]
+
+[tool.setuptools.packages.find]
+include = ["netbox_vmware_importer*"]
+
+[tool.setuptools.package-data]
+netbox_vmware_importer = ["templates/**/*.html"]