OSI Approved Licenses

Open source licenses are licenses that comply with the Open Source Definition – in brief, they allow software to be freely used, modified, and shared. To be approved by the Open Source Initiative (also known as the OSI) a license must go through the Open Source Initiative’s license review process.

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Apple Public Source License 2.0 APSL-2.0
Computer Associates Trusted Open Source License 1.1 CATOSL-1.1
eCos License version 2.0 eCos-2.0
Entessa Public License Version. 1.0 Entessa
EU DataGrid Software License EUDatagrid
Frameworx License 1.0 Frameworx-1.0
IBM Public License Version 1.0 IPL-1.0
LaTeX Project Public License, Version 1.3c LPPL-1.3c
Los Alamos National Labs BSD-3 Variant
Motosoto Open Source License Motosoto
Multics License Multics
NAUMEN Public License Naumen
Nokia Open Source License Version 1.0a NOKIA
PHP License 3.01 PHP-3.01
Python License, Version 2 Python-2.0
RealNetworks Public Source License Version 1.0 RPSL-1.0
Sun Public License, Version 1.0 SPL-1.0
The CNRI portion of the multi-part Python License CNRI-Python
The Nethack General Public License NGPL
The OCLC Research Public License 2.0 License OCLC-2.0
The Ricoh Source Code Public License RSCPL
The Sleepycat License Sleepycat
The Sybase Open Source Licence Watcom-1.0
The Vovida Software License v. 1.0 VSL-0.1
The W3C® Software and Document license W3C-20150513
The wxWindows Library Licence wxWindows
WordNet WordNet