Open Source Software Licensing Page -  .

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: Apple Public Source License (APSL) - - Apple's license for software released as source code.

Apple/Disney: Squeak license - - Project and license ran unchanged and uninterrupted even during transition to different corporation.

The Artistic License - - Perl package license.

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 syste.

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 agreemen.

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.

Ricoh Source Code Public License - - Ricoh Company, Ltd., makes communication and office automation systems.

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.

Trolltech: Q Public License (QPL) - - License for the Qt Free Edition.

Understanding Open Source and Free Software Licensing - - Full text of the book by Andrew M. St. Laurent. [PDF.

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.