Open Source Initiative

The following licenses have been approved by the OSI via the License Review Process.

• Academic Free License 3.0 (AFL 3.0)
• Affero GNU Public License
• Adaptive Public License
• Apache License, 2.0
• Apple Public Source License
• Artistic license 2.0
• Attribution Assurance Licenses
• New and Simplified BSD licenses
• Boost Software License (BSL1.0)
• Computer Associates Trusted Open Source License 1.1
• Common Development and Distribution License
• Common Public Attribution License 1.0 (CPAL)
• Common Public License 1.0
• CUA Office Public License Version 1.0
• EU DataGrid Software License
• Eclipse Public License
• Educational Community License, Version 2.0
• Eiffel Forum License V2.0
• Entessa Public License
• European Union Public License (link to every language's version on their site)
• Fair License
• Frameworx License
• GNU General Public License (GPL)
• GNU General Public License version 3.0 (GPLv3)
• GNU Library or "Lesser" General Public License (LGPL)
• GNU Library or "Lesser" General Public License version 3.0 (LGPLv3)
• Historical Permission Notice and Disclaimer
• IBM Public License
• IPA Font License
• ISC License
• Lucent Public License Version 1.02
• MirOS Licence
• Microsoft Public License (Ms-PL)
• Microsoft Reciprocal License (Ms-RL)
• MIT license
• Motosoto License
• Mozilla Public License 1.1 (MPL)
• Multics License
• NASA Open Source Agreement 1.3
• NTP License
• Naumen Public License
• Nethack General Public License
• Nokia Open Source License
• Non-Profit Open Software License 3.0 (Non-Profit OSL 3.0)
• OCLC Research Public License 2.0
• Open Font License 1.1 (OFL 1.1)
• Open Group Test Suite License
• Open Software License 3.0 (OSL 3.0)
• PHP License
• Python license (CNRI Python License)
• Python Software Foundation License
• Qt Public License (QPL)
• RealNetworks Public Source License V1.0
• Reciprocal Public License 1.5 (RPL1.5)
• Ricoh Source Code Public License
• Simple Public License 2.0
• Sleepycat License
• Sun Public License
• Sybase Open Watcom Public License 1.0
• University of Illinois/NCSA Open Source License
• Vovida Software License v. 1.0
• W3C License
• wxWindows Library License
• X.Net License
• Zope Public License
• zlib/libpng license

You can also view a list of open source licenses grouped by category, and licenses which have been superceded or retired.