diff --git a/.github/workflows/CI_cleanup.yml b/.github/workflows/CI_cleanup.yml
index c7d5bf4973..666da87172 100644
--- a/.github/workflows/CI_cleanup.yml
+++ b/.github/workflows/CI_cleanup.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/CI_master.yml b/.github/workflows/CI_master.yml
index 252c8058c8..1121d36fb9 100644
--- a/.github/workflows/CI_master.yml
+++ b/.github/workflows/CI_master.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/actions/linux/build/action.yml b/.github/workflows/actions/linux/build/action.yml
index 63d6f7fdb1..3e0162d2fe 100644
--- a/.github/workflows/actions/linux/build/action.yml
+++ b/.github/workflows/actions/linux/build/action.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/actions/linux/configure/action.yml b/.github/workflows/actions/linux/configure/action.yml
index e4b1f0e2ed..643101f1c2 100644
--- a/.github/workflows/actions/linux/configure/action.yml
+++ b/.github/workflows/actions/linux/configure/action.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/actions/linux/generateCacheKey/action.yml b/.github/workflows/actions/linux/generateCacheKey/action.yml
index 6b8b8e058d..59673c9fe9 100644
--- a/.github/workflows/actions/linux/generateCacheKey/action.yml
+++ b/.github/workflows/actions/linux/generateCacheKey/action.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/actions/linux/install/action.yml b/.github/workflows/actions/linux/install/action.yml
index 52fed39f74..87b91ad93d 100644
--- a/.github/workflows/actions/linux/install/action.yml
+++ b/.github/workflows/actions/linux/install/action.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/actions/runCPPTests/action.yml b/.github/workflows/actions/runCPPTests/action.yml
index 0ac9d1ef09..e330fa5f6b 100644
--- a/.github/workflows/actions/runCPPTests/action.yml
+++ b/.github/workflows/actions/runCPPTests/action.yml
@@ -1,22 +1,24 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                                          *
+# *                                                                         *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *   Copyright (c) 2023 FreeCAD Project Association                        *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/actions/runPythonTests/action.yml b/.github/workflows/actions/runPythonTests/action.yml
index aae20acff1..b91a505e54 100644
--- a/.github/workflows/actions/runPythonTests/action.yml
+++ b/.github/workflows/actions/runPythonTests/action.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                                          *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/sub_buildUbuntu2004.yml b/.github/workflows/sub_buildUbuntu2004.yml
index 1a19ae7d5f..ee8369dff9 100644
--- a/.github/workflows/sub_buildUbuntu2004.yml
+++ b/.github/workflows/sub_buildUbuntu2004.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/sub_buildUbuntu2204.yml b/.github/workflows/sub_buildUbuntu2204.yml
index f9699aeb4f..8a835e5b76 100644
--- a/.github/workflows/sub_buildUbuntu2204.yml
+++ b/.github/workflows/sub_buildUbuntu2204.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                                          *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/sub_lint.yml b/.github/workflows/sub_lint.yml
index 5ec623ec2f..d282c65415 100644
--- a/.github/workflows/sub_lint.yml
+++ b/.github/workflows/sub_lint.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/sub_prepare.yml b/.github/workflows/sub_prepare.yml
index 54db3c7fdb..7fcaa7a27c 100644
--- a/.github/workflows/sub_prepare.yml
+++ b/.github/workflows/sub_prepare.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************
 
diff --git a/.github/workflows/sub_wrapup.yml b/.github/workflows/sub_wrapup.yml
index 7065a92c90..dd658eb754 100644
--- a/.github/workflows/sub_wrapup.yml
+++ b/.github/workflows/sub_wrapup.yml
@@ -1,21 +1,23 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ***************************************************************************
-# *   Copyright (c) 2023 0penBrain                               *
 # *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
+# *   Copyright (c) 2023 0penBrain.                                         *
 # *                                                                         *
-# *   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 Library General Public License for more details.                  *
+# *   This file is part of FreeCAD.                                         *
 # *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
+# *   FreeCAD is free software: you can redistribute it and/or modify it    *
+# *   under the terms of the GNU Lesser General Public License as           *
+# *   published by the Free Software Foundation, either version 2.1 of the  *
+# *   License, or (at your option) any later version.                       *
+# *                                                                         *
+# *   FreeCAD 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      *
+# *   Lesser General Public License for more details.                       *
+# *                                                                         *
+# *   You should have received a copy of the GNU Lesser General Public      *
+# *   License along with FreeCAD. If not, see                               *
+# *   <https://www.gnu.org/licenses/>.                                      *
 # *                                                                         *
 # ***************************************************************************