| Open Source Software Licensing Page: Some very interesting articles on free software licensing: history, forms, and problems, seen from a commercial view. Links to some license texts and important open source sites. |
| Affero - General Public License: Copyleft license, derived from the GNU-GPL, designed to protect software distributed as web services. |
| Aladdin Free Public License (AFPL): For Ghostscript, by Aladdin Enterprises. |
| Amoeba copyright notice: A free software OS. |
| Amulet License Agreement: CMU Amulet Toolkit License Agreement. |
| Apache Server License: Also in the source code. |
| Apple/Disney: Squeak license: Project and license ran unchanged and uninterrupted even during transition to different corporation. |
| Apple: Apple Public Source License (APSL): Apple's license for software released as source code. |
| Bixoft Public License: A proposal for an Open Source license that clearly distinguishes between software programs and programming tools. |
| BSD: 4.4BSD Copyright: License for 4.4BSD. |
| BSD: FreeBSD Copyright: License for FreeBSD operating system. |
| BSD: NetBSD Licensing and Redistribution: License patterned after FreeBSD Copyright. |
| BSD: OpenBSD Copyright Policy: License and background on Berkeley Computer Systems Research Group copyrights. |
| Christian Software Public License (CSPL): Christianized variant of BSD license. |
| Creative Commons: A non-profit that offers an alternative to full copyright. Offering work under a Creative Commons license does not mean giving up copyright. It means offering some of an author's rights to any taker, and only on certain conditions. |
| Debian Social Contract: License for Debian GNU/Linux. |
| E Licenses: Mozilla or Mozilla compatible, for E programming language. |
| eCos License Overview: Summary of license for Red Hat eCos operating system. |
| eCos: Red Hat eCos Public License (RHEPL): Variant of Netscape PL. |
| EFF Archive: Intellectual Property: Open Licenses: Electronic Frontier Foundation page on licenses, includes EFF Open Audio License (OAL). |
| Eiffel: ISE Free Eiffel Library License (IFELL): For the EiffelBase library. |
| Freshmeat: Listings of browseable licenses and articles. |
| GNU Free Documentation License: A version of the GPL for reference material. |
| GNU General Public License (GPL): One standard for licensing free software. |
| GNU Lesser General Public License (LGPL): Formerly: GNU Library GPL. |
| GNU: List of Licenses: Various licenses and comments about them. |
| IBM - Common Public License (CPL): Open source software license. |
| IBM Public License: Big Blue's Open Source License. |
| LaTeX Project Public License: Particularly suited for TeX-related programs. |
| Liberal Source Software (LSS): Hybrid licensing model, between free and commercial software licenses. |
| License information for Xinu software: License for the XINU operating system |
| Licensing conditions for OCaml: OCaml is released under the LGPL. |
| Lua Copyright notice: From Brazil, programming language framework. |
| Lucent Technologies, Inc.: Plan 9 Open Source license agreement |
| Mozart License Agreement: Mozart: an implementation of Oz 3 programming language. |
| Mozilla and Netscape Public Licenses: Describes the licensing policy of the Mozilla Foundation, with the full texts of the various licenses, and an FAQ. |
| MySQL: Complex hybrid license: public domain, GPL, LGPL, Open Source, commercial. |
| Netscape: Mozilla Public License (MozPL) version 1.0: Follows the Debian Free Software guidelines. |
| Open Group Public License: Open Motif Graphical GUI Software, Public End User License. |
| Open Music License: Music-equivalent to the General Public License. |
| Open Source Initiative - Licenses: Copies of licenses approved by the Open Source Initiative. |
| OpenSource.org: Open Source Definition: Not a license itself, but a definition of what conditions a license must fulfill in order to be termed an Open Source license. |
| PHP Licence Information: Covers licensing issues for developers distributing applications in PHP. Includes links to annotated version of the relevant licenses and other related resources. |
| Python Copyright: Open source compliant, but not fully GPL compatible, the only incompatibility is inclusion of a choice-of-law clause. |
| Quick Reference Guide: A chart comparing attributes of major licenses, including the option to select your bias. |
| RTEMS License Information: RTEMS open source real-time operating system uses GNU Public License (GPL), except for some special, very limited exceptions. |
| Ruby License: Dual terms: use GPL terms or its own terms. |
| SFL License Agreement: Covers iMatix Corp., Standard Function Library (C/C++), its source code, documentation, executable files. |
| The Artistic License: Perl package license. |
| Trolltech: Q Public License (QPL): License for the Qt Free Edition. |
| Vita Nuova Inferno Subscription License: Fee based, partly open source, for Lucent network OS. |
| W3C IPR Software Notice: W3C = World Wide Web Consortium, one of the Internet's main standard-setting bodies. |
| x-kernel Copyright Notice: Arizona Board of Regents, University of Arizona. |
| Zope Public License (ZPL): Patterned after Apache license. |
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