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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1-clause BSD License BSD-1-Clause
Academic Free License v. 3.0 AFL-3.0
Adaptive Public License 1.0 APL-1.0
Apache License, Version 2.0 Apache-2.0
Apache Software License, version 1.1 Apache-1.1
Apple Public Source License 2.0 APSL-2.0
Artistic License (Perl) 1.0 Artistic-1.0-Perl
Artistic License 1.0 Artistic-1.0
Artistic License 2.0 Artistic-2.0
Attribution Assurance License AAL
Blue Oak Model License BlueOak-1.0.0