Open Source Initiative

• Open Group Test Suite License
• Reciprocal Public License

.:: License Index ::.

• License Approval Process
• License Information
• Origins and definitions of categories from the License Proliferation Committee report

.:: License that are popular and widely used or with strong communities ::.

• Apache License, 2.0
• New and Simplified BSD licenses
• GNU General Public License (GPL)
• GNU Library or "Lesser" General Public License (LGPL)
• MIT license
• Mozilla Public License 1.1 (MPL)
• Common Development and Distribution License
• Eclipse Public License

.:: Special purpose licenses ::.

• Educational Community License
• IPA Font License
• NASA Open Source Agreement 1.3
• Open Font License 1.1 (OFL 1.1)

.:: Other/Miscellaneous licenses ::.

• Adaptive Public License
• Artistic license 2.0
• Open Software License
• Qt Public License (QPL)
• zlib/libpng license

.:: Licenses that are redundant with more popular licenses ::.

• Academic Free License
• Attribution Assurance Licenses
• Eiffel Forum License V2.0
• Fair License
• Historical Permission Notice and Disclaimer
• Lucent Public License Version 1.02
• University of Illinois/NCSA Open Source License
• X.Net License

.:: Non-reusable licenses ::.

• Apple Public Source License
• Computer Associates Trusted Open Source License 1.1
• CUA Office Public License Version 1.0
• EU DataGrid Software License
• Entessa Public License
• Frameworx License
• IBM Public License
• Motosoto License
• Multics License
• Naumen Public License
• Nethack General Public License
• Nokia Open Source License
• OCLC Research Public License 2.0
• PHP License
• Python license (CNRI Python License)
• Python Software Foundation License
• RealNetworks Public Source License V1.0
• Ricoh Source Code Public License
• Sleepycat License
• Sun Public License
• Sybase Open Watcom Public License 1.0
• Vovida Software License v. 1.0
• W3C License
• wxWindows Library License
• Zope Public License

.:: Superseded licenses ::.

• Apache Software License 1.1
• Common Public License 1.0
• Artistic license 1.0
• Eiffel Forum License V1.0
• Lucent Public License (Plan9)
• Mozilla Public License 1.0 (MPL)

.:: Licenses that have been voluntarily retired ::.

• Intel Open Source License
• Jabber Open Source License
• MITRE Collaborative Virtual Workspace License (CVW License)
• Sun Industry Standards Source License (SISSL)

.:: Uncategorized Licenses ::.

• Affero GNU Public License
• Boost Software License (BSL1.0)
• Common Public Attribution License 1.0 (CPAL)
• European Union Public License (link to every language's version on their site)
• GNU General Public License version 3.0 (GPLv3)
• GNU Library or "Lesser" General Public License version 3.0 (LGPLv3)
• ISC License
• Microsoft Public License (Ms-PL)
• Microsoft Reciprocal License (Ms-RL)
• MirOS Licence
• Non-Profit Open Software License 3.0
• NTP License
• Reciprocal Public License 1.5 (RPL1.5)
• Simple Public License 2.0