Open Source License Information

If you plan to reuse open source code, you should first decide if you can safely abide by its license policy.

Below is a list of common open source licenses. Click the license name for more information.

If you would like more information on adoption rates of these licenses, please visit the Black Duck Software Open Source License Resource Center.

Name	Abbr.
Academic Free License	AFL
Apache License, Version 2.0	AL20
Apache Software License	ASL
Apple Public Source Licenses	APSL
BSD License	BSD
Common Public License	CPL
Eclipse Public License v1.0	EPL10
Globus Toolkit Public License	GTPL
GNU General Public License v1 v2 v3	GPL
GNU GPL 3 – Affero	AGPLv3
GNU Lesser General Public License	LGPL
IBM Public License	IBMPL
Intel Open Source License	IOSL
International License Agreement for Non-Warranted Programs	IBMILA
Microsoft Community License	MSCL
Microsoft Limited Community License	MSLCL
Microsoft Limited Permissive License	MSLPL
Microsoft Permissive License	MSPL
Microsoft Reference License	MSRL
Microsoft Visual Studio SDK License	MSVSSDK
MIT Derived License”	MITD
Mozilla Public License Version 1.0	MPL10
Mozilla Public License Version 1.1	MPL11
Netscape Public License, Version 1.0	NPL10
Netscape Public License, Version 1.1	NPL11
Open Software License”	OSL
PHP License	PHPL
Python License	CNRIPL
Python Software Foundation License	PSFL
Sleepycat Software Product License	SL
Sun Industry Standards Source License	SISSL
Sun Public License	SPL
W3C Software License	W3C
wxWindows Library License	WXWLL
zlib/libpng License	ZLL
Zope Public License	ZPL

Additional Information