diff --git a/app/lib/features/geckoview/features/browser/presentation/widgets/browser_home.dart b/app/lib/features/geckoview/features/browser/presentation/widgets/browser_home.dart
index f43c176c..4f48336b 100644
--- a/app/lib/features/geckoview/features/browser/presentation/widgets/browser_home.dart
+++ b/app/lib/features/geckoview/features/browser/presentation/widgets/browser_home.dart
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'package:flutter/material.dart';
 import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
 import 'package:flutter_svg/svg.dart';
diff --git a/app/lib/features/sync/domain/entities/sync_repository_state.dart b/app/lib/features/sync/domain/entities/sync_repository_state.dart
index 8be5c2ca..09c99e66 100644
--- a/app/lib/features/sync/domain/entities/sync_repository_state.dart
+++ b/app/lib/features/sync/domain/entities/sync_repository_state.dart
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'package:copy_with_extension/copy_with_extension.dart';
 import 'package:fast_equatable/fast_equatable.dart';
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
diff --git a/app/lib/features/sync/domain/entities/synced_tab_item.dart b/app/lib/features/sync/domain/entities/synced_tab_item.dart
index 1878fb04..b3eebc0c 100644
--- a/app/lib/features/sync/domain/entities/synced_tab_item.dart
+++ b/app/lib/features/sync/domain/entities/synced_tab_item.dart
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'package:fast_equatable/fast_equatable.dart';
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
 
diff --git a/app/lib/features/sync/domain/repositories/sync.dart b/app/lib/features/sync/domain/repositories/sync.dart
index 85cdd560..7a34410b 100644
--- a/app/lib/features/sync/domain/repositories/sync.dart
+++ b/app/lib/features/sync/domain/repositories/sync.dart
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'dart:async';
 
 import 'package:collection/collection.dart';
diff --git a/app/lib/features/sync/presentation/screens/sync_settings.dart b/app/lib/features/sync/presentation/screens/sync_settings.dart
index 44f7ee7b..dbcdd70e 100644
--- a/app/lib/features/sync/presentation/screens/sync_settings.dart
+++ b/app/lib/features/sync/presentation/screens/sync_settings.dart
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'dart:async';
 
 import 'package:fading_scroll/fading_scroll.dart';
diff --git a/app/lib/presentation/widgets/browser_page.dart b/app/lib/presentation/widgets/browser_page.dart
index 89b358aa..1dd09a6b 100644
--- a/app/lib/presentation/widgets/browser_page.dart
+++ b/app/lib/presentation/widgets/browser_page.dart
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'dart:math' as math;
 import 'dart:ui';