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.

Categories

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1-clause BSD License BSD-1-Clause
Adaptive Public License 1.0 APL-1.0
Artistic License 2.0 Artistic-2.0
JAM License Jam
MIT No Attribution License MIT-0
The Open Software License 3.0 OSL-3.0
The Q Public License Version QPL-1.0
The Universal Permissive License Version 1.0 UPL-1.0
The zlib/libpng License Zlib
Zero-Clause BSD 0BSD