diff --git a/src/importer/importer.py b/src/importer/importer.py
index adfc23b..fa15ff6 100644
--- a/src/importer/importer.py
+++ b/src/importer/importer.py
@@ -1,3 +1,23 @@
+# importer.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 
 from gi.repository import Adw, Gtk, GLib
diff --git a/src/importer/sources/bottles_source.py b/src/importer/sources/bottles_source.py
index 5ce598d..410ed3e 100644
--- a/src/importer/sources/bottles_source.py
+++ b/src/importer/sources/bottles_source.py
@@ -1,3 +1,23 @@
+# bottles_source.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from pathlib import Path
 from time import time
 
diff --git a/src/importer/sources/heroic_source.py b/src/importer/sources/heroic_source.py
index adcf34d..cfbf09c 100644
--- a/src/importer/sources/heroic_source.py
+++ b/src/importer/sources/heroic_source.py
@@ -1,3 +1,23 @@
+# heroic_source.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import json
 import logging
 from hashlib import sha256
diff --git a/src/importer/sources/itch_source.py b/src/importer/sources/itch_source.py
index 43e546c..098ca87 100644
--- a/src/importer/sources/itch_source.py
+++ b/src/importer/sources/itch_source.py
@@ -1,3 +1,23 @@
+# itch_source.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from pathlib import Path
 from shutil import rmtree
 from sqlite3 import connect
diff --git a/src/importer/sources/legendary_source.py b/src/importer/sources/legendary_source.py
index 87f1f05..08c3446 100644
--- a/src/importer/sources/legendary_source.py
+++ b/src/importer/sources/legendary_source.py
@@ -1,3 +1,22 @@
+# legendary_source.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import json
 import logging
 from json import JSONDecodeError
diff --git a/src/importer/sources/lutris_source.py b/src/importer/sources/lutris_source.py
index 0da9b87..4d191d5 100644
--- a/src/importer/sources/lutris_source.py
+++ b/src/importer/sources/lutris_source.py
@@ -1,3 +1,23 @@
+# lutris_source.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from shutil import rmtree
 from sqlite3 import connect
 from time import time
diff --git a/src/importer/sources/source.py b/src/importer/sources/source.py
index 73b3874..c0c6d6d 100644
--- a/src/importer/sources/source.py
+++ b/src/importer/sources/source.py
@@ -1,3 +1,22 @@
+# source.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import sys
 from abc import abstractmethod
 from collections.abc import Iterable, Iterator
diff --git a/src/importer/sources/steam_source.py b/src/importer/sources/steam_source.py
index c275dc7..97d9aac 100644
--- a/src/importer/sources/steam_source.py
+++ b/src/importer/sources/steam_source.py
@@ -1,3 +1,23 @@
+# steam_source.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import re
 from pathlib import Path
 from time import time
diff --git a/src/logging/color_log_formatter.py b/src/logging/color_log_formatter.py
index 54a873b..53fe261 100644
--- a/src/logging/color_log_formatter.py
+++ b/src/logging/color_log_formatter.py
@@ -1,3 +1,22 @@
+# color_log_formatter.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from logging import Formatter, LogRecord
 
 
diff --git a/src/logging/session_file_handler.py b/src/logging/session_file_handler.py
index 03bf174..156be71 100644
--- a/src/logging/session_file_handler.py
+++ b/src/logging/session_file_handler.py
@@ -1,3 +1,22 @@
+# session_file_handler.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import lzma
 from io import StringIO
 from logging import StreamHandler
diff --git a/src/logging/setup.py b/src/logging/setup.py
index 73df738..122681c 100644
--- a/src/logging/setup.py
+++ b/src/logging/setup.py
@@ -1,3 +1,22 @@
+# setup.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 import logging.config as logging_dot_config
 import os
diff --git a/src/store/managers/async_manager.py b/src/store/managers/async_manager.py
index 373d51f..153ce82 100644
--- a/src/store/managers/async_manager.py
+++ b/src/store/managers/async_manager.py
@@ -1,3 +1,22 @@
+# async_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from typing import Callable, Any
 
 from gi.repository import Gio
diff --git a/src/store/managers/display_manager.py b/src/store/managers/display_manager.py
index 847bdfb..f6f1749 100644
--- a/src/store/managers/display_manager.py
+++ b/src/store/managers/display_manager.py
@@ -1,3 +1,22 @@
+# display_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from src import shared  # pylint: disable=no-name-in-module
 from src.game import Game
 from src.game_cover import GameCover
diff --git a/src/store/managers/file_manager.py b/src/store/managers/file_manager.py
index 13d492f..80d448a 100644
--- a/src/store/managers/file_manager.py
+++ b/src/store/managers/file_manager.py
@@ -1,3 +1,22 @@
+# file_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import json
 
 from src import shared  # pylint: disable=no-name-in-module
diff --git a/src/store/managers/local_cover_manager.py b/src/store/managers/local_cover_manager.py
index eba3abc..9aa8703 100644
--- a/src/store/managers/local_cover_manager.py
+++ b/src/store/managers/local_cover_manager.py
@@ -1,3 +1,22 @@
+# local_cover_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from pathlib import Path
 
 from src.game import Game
diff --git a/src/store/managers/manager.py b/src/store/managers/manager.py
index 1124d55..c6b8ea9 100644
--- a/src/store/managers/manager.py
+++ b/src/store/managers/manager.py
@@ -1,3 +1,22 @@
+# manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 from abc import abstractmethod
 from threading import Lock
diff --git a/src/store/managers/online_cover_manager.py b/src/store/managers/online_cover_manager.py
index fa82d06..7398169 100644
--- a/src/store/managers/online_cover_manager.py
+++ b/src/store/managers/online_cover_manager.py
@@ -1,3 +1,22 @@
+# online_cover_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 from pathlib import Path
 
diff --git a/src/store/managers/sgdb_manager.py b/src/store/managers/sgdb_manager.py
index a3a5811..ac59592 100644
--- a/src/store/managers/sgdb_manager.py
+++ b/src/store/managers/sgdb_manager.py
@@ -1,3 +1,22 @@
+# sgdb_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from json import JSONDecodeError
 
 from requests.exceptions import HTTPError, SSLError
diff --git a/src/store/managers/steam_api_manager.py b/src/store/managers/steam_api_manager.py
index efe82e2..75fa416 100644
--- a/src/store/managers/steam_api_manager.py
+++ b/src/store/managers/steam_api_manager.py
@@ -1,3 +1,22 @@
+# steam_api_manager.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from requests.exceptions import HTTPError, SSLError
 
 from src.game import Game
diff --git a/src/store/pipeline.py b/src/store/pipeline.py
index 4799fd2..f3f2883 100644
--- a/src/store/pipeline.py
+++ b/src/store/pipeline.py
@@ -1,3 +1,22 @@
+# pipeline.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 from typing import Iterable
 
diff --git a/src/store/store.py b/src/store/store.py
index 86e623b..8639625 100644
--- a/src/store/store.py
+++ b/src/store/store.py
@@ -1,3 +1,22 @@
+# store.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 
 from src import shared  # pylint: disable=no-name-in-module
diff --git a/src/utils/decorators.py b/src/utils/decorators.py
index be572ec..af37523 100644
--- a/src/utils/decorators.py
+++ b/src/utils/decorators.py
@@ -1,5 +1,24 @@
+# decorators.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from pathlib import Path
-from os import PathLike, environ
+from os import PathLike
 from functools import wraps
 
 from src import shared  # pylint: disable=no-name-in-module
diff --git a/src/utils/rate_limiter.py b/src/utils/rate_limiter.py
index d0f1e29..09b17a9 100644
--- a/src/utils/rate_limiter.py
+++ b/src/utils/rate_limiter.py
@@ -1,3 +1,22 @@
+# rate_limiter.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from typing import Optional, Sized
 from threading import Lock, Thread, BoundedSemaphore
 from time import sleep, time
diff --git a/src/utils/sqlite.py b/src/utils/sqlite.py
index 9661c2a..c605dff 100644
--- a/src/utils/sqlite.py
+++ b/src/utils/sqlite.py
@@ -1,3 +1,23 @@
+# sqlite.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from glob import escape
 from pathlib import Path
 from shutil import copyfile
diff --git a/src/utils/steam.py b/src/utils/steam.py
index 703b315..76305d3 100644
--- a/src/utils/steam.py
+++ b/src/utils/steam.py
@@ -1,3 +1,23 @@
+# steam.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import json
 import logging
 import re
diff --git a/src/utils/steamgriddb.py b/src/utils/steamgriddb.py
index db31c6c..674d019 100644
--- a/src/utils/steamgriddb.py
+++ b/src/utils/steamgriddb.py
@@ -1,3 +1,23 @@
+# steamgriddb.py
+#
+# Copyright 2022-2023 kramo
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import logging
 from pathlib import Path
 
diff --git a/src/utils/task.py b/src/utils/task.py
index c6b7076..190d7c4 100644
--- a/src/utils/task.py
+++ b/src/utils/task.py
@@ -1,3 +1,22 @@
+# task.py
+#
+# Copyright 2023 Geoffrey Coulaud
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from functools import wraps
 
 from gi.repository import Gio