Policies/Licensing Policy
< Policies
All new source code and related data files in KDE SVN must meet the following requirements:
- All files must be in their preferred modifiable form, or alongside the file which is the preferred modifiable form. In the 'alongside' case, there must be clear instructions for how to build using the preferred modifiable form.
- All source files must contain a copyright header which identifies the copyright holder(s) together with an e-mail address that can be used to reach the copyright holder.
- Each source file must contain one of the licence headers listed below to state under which terms the software may be used, modified and redistributed.
- Source files that are part of a library with a public API which is part of the KDE Platform (kdelibs, kdepimlibs and kdebase-runtime) must be licensed under one of the following terms:
- LGPL version 2.1 as listed in kdelibs/COPYING.LIB or later
- LGPL version 2.1 or version 3 or later versions approved by the membership of KDE e.V.
- BSD license as listed below.
Ensure that the BSD license does not contain the so called 'advertisement clause'. - MIT license as listed below.
- X11 license as listed below.
- Any other source files must be licensed under one of the terms listed under 4) or one of the following terms:
- GPL version 2 as listed in kdelibs/COPYING or later
- GPL version 2 or version 3 or later versions approved by the membership of KDE e.V.
- Code copied from Qt may be licenced under GPL version 2 or version 3 or later versions approved by Trolltech ASA and the KDE Free Qt Foundation
- Translations of text from the files described in section 4 must be licenced under one of the terms in sections 4. Translations of text from other files must be licenced under one of the terms in sections 4 or 5.
- Icons in kdelibs, kdepimlibs or kdebase runtime must be licenced under the LGPL 3 or later versions approved by KDE e.V. Icons elsewhere can be licenced under any of the terms in section 4 or 5.
- Documentation must be licensed under one of the following terms:
- FDL versions 1.2 as listed in kdelibs/COPYING.DOC or later versions with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
- FDL versions 1.2 as listed in kdelibs/COPYING.DOC or later versions approved by KDE e.V. with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
- Documentation may additionally be licensed under any of the terms in section 4 or 5.
- Other data included in KDE's codebase must be licenced under one of the terms in sections 4 or 5.
- Contributors who have signed the Fiduciary License Agreement with KDE e.V. may licence files described in section 3 under LGPL 2.1 & 3 only and may licence other source files under GPL 2 & 3 only.
- As new versions of GNU licenses are published they will be discussed by the membership of KDE e.V. and accepted via an announcement on http://ev.kde.org if: not adopting the licence would harm the future distribution of KDE, the licence preserves freedom for our developers & users and a vote by the membership agrees to the acceptance of the new licence version.
GPL Header
Copyright <year> <name of author> <e-mail> 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 2 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/>.
or for later versions approved by KDE e.V.
Copyright <year> <name of author> <e-mail> 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 2 of the License or (at your option) version 3 or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 14 of version 3 of the license. 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/>.
LGPL Header
Copyright <year> <name of author> <e-mail> This library 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. This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
or for later versions approved by KDE e.V.
Copyright <year> <name of author> <e-mail> This library 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) version 3, or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 6 of version 3 of the license. This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
BSD License
Copyright <year> <name of author> <e-mail> Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
X11 License
Copyright <year> <name of author> <e-mail> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of the X Consortium shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the X Consortium.
MIT license
Copyright <year> <name of author> <e-mail> Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software.