Licenses

Aladdin Free Public License (AFPL) - For Ghostscript, by Aladdin Enterprises.
ftp://ftp.cs.wisc.edu/ghost/aladdin/PUBLIC

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.
http://www.opensource.org/docs/osd

LaTeX Project Public License - Particularly suited for TeX-related programs.
http://www.latex-project.org/lppl/

Apache Server Licenses - Overview of the different versions of the Apache licenses.
http://www.apache.org/licenses/

Eiffel: ISE Free Eiffel Library License (IFELL) - For the EiffelBase library.
http://archive.eiffel.com/products/base/license.html

The Artistic License - Perl package license.
http://www.opensource.org/licenses/artistic-license.php

Open Source Initiative - Licenses - Copies of licenses approved by the Open Source Initiative.
http://www.opensource.org/licenses/

MySQL - Complex hybrid license: public domain, GPL, LGPL, Open Source, commercial.
http://www.mysql.com/company/legal/licensing/

BSD: NetBSD Licensing and Redistribution - License patterned after FreeBSD Copyright.
http://www.netbsd.org/about/redistribution.html

Debian Social Contract - License for Debian GNU/Linux.
http://www.debian.org/social_contract.html

GNU General Public License (GPL) - One standard for licensing free software.
http://www.gnu.org/copyleft/gpl.html

Ruby License - Dual terms: use GPL terms or its own terms.
http://www.ruby-lang.org/en/LICENSE.txt

Zope Public License (ZPL) - Patterned after Apache license.
http://www.zope.org/Resources/License/

Open Group Public License - Open Motif Graphical GUI Software, Public End User License.
http://www.opengroup.org/openmotif/license/

Squeak License - License for the Squeak software suite, mainly provided by Apple.
http://squeak.org/SqueakLicense/

RTEMS License Information - RTEMS open source real-time operating system uses GNU Public License (GPL), except for some special, very limited exceptions.
http://www.rtems.com/license/index.html

Apple: Apple Public Source License (APSL) - Apple's license for software released as source code.
http://www.publicsource.apple.com/apsl/

BSD: OpenBSD Copyright Policy - License and background on Berkeley Computer Systems Research Group copyrights.
http://www.openbsd.org/policy.html

Freshmeat - Listings of browseable licenses and articles.
http://freshmeat.net/browse/13/?topic_id=13

Lua Copyright notice - From Brazil, programming language framework.
http://www.lua.org/copyright.html

Vita Nuova Inferno Subscription License - Fee based, partly open source, for Lucent network OS.
http://www.vitanuova.com/inferno/licence.html

Trolltech: Q Public License (QPL) - License for the Qt Free Edition.
http://www.trolltech.com/products/qt/licenses/licensing/qpl

Quick Reference Guide - A chart comparing attributes of major licenses, including the option to select your bias.
http://pgl.yoyo.org/lqr/

GNU Lesser General Public License (LGPL) - Formerly: GNU Library GPL.
http://www.gnu.org/copyleft/lgpl.html

BSD: FreeBSD Copyright - License for FreeBSD operating system.
http://www.freebsd.org/copyright/freebsd-license.html

License information for Xinu software - License for the XINU operating system
http://www.cs.purdue.edu/homes/dec/xlicense.html

E Licenses - Mozilla or Mozilla compatible, for E programming language.
http://www.erights.org/download/licenses.html

x-kernel Copyright Notice - Arizona Board of Regents, University of Arizona.
http://www.cs.arizona.edu/projects/xkernel/copyright.html

Christian Software Public License (CSPL) - Christianized variant of BSD license.
http://www.geocities.com/ResearchTriangle/Node/4081/cspl.html

Amoeba copyright notice - A free software OS.
http://www.cs.vu.nl/pub/amoeba/COPYRIGHT

BSD: 4.4BSD Copyright - License for 4.4BSD.
http://www.freebsd.org/copyright/license.html

Mozilla and Netscape Public Licenses - Describes the licensing policy of the Mozilla Foundation, with the full texts of the various licenses, and FAQs.
http://www.mozilla.org/MPL/

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.
http://www.php.net/license/

Lucent Technologies, Inc. - Plan 9 Open Source license agreement
http://plan9.bell-labs.com/plan9/license.html

Mozart License Agreement - Mozart: an implementation of Oz 3 programming language.
http://www.mozart-oz.org/LICENSE.html

Bixoft Public License - A proposal for an Open Source license that clearly distinguishes between software programs and programming tools.
http://www.bixoft.nl/english/license.htm

Affero - General Public License - Copyleft license, derived from the GNU-GPL, designed to protect software distributed as web services.
http://www.affero.org/oagpl.html

IBM - Common Public License (CPL) - Open source software license.
http://www-128.ibm.com/developerworks/opensource/

Liberal Source Software (LSS) - Hybrid licensing model, between free and commercial software licenses.
http://www.vitanuova.com/inferno/liblicence.txt

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.
http://creativecommons.org/

Mozilla Public License Version 1.0 - Follows the Debian Free Software guidelines.
http://www.mozilla.org/MPL/MPL-1.0.html

GNU Free Documentation License - A version of the GPL for reference material.
http://www.gnu.org/copyleft/fdl.html

W3C IPR Software Notice - W3C = World Wide Web Consortium, one of the Internet's main standard-setting bodies.
http://www.w3.org/Consortium/Legal/copyright-software-19980720

Amulet License Agreement - CMU Amulet Toolkit License Agreement.
http://www.cs.cmu.edu/afs/cs/project/amulet/amulet3/manual/overview.html#1002211

GNU: List of Licenses - Various licenses and comments about them.
http://www.gnu.org/philosophy/license-list.html

Understanding Open Source and Free Software Licensing - Full text of the book by Andrew M. St. Laurent. [PDF]
http://www.oreilly.com/catalog/osfreesoft/book/

Against DRM 2.0 - A free copyleft license for artworks, which forbids DRM. Includes licence text, FAQ, and a few translations.
http://www.freecreations.org/

eCos License Overview - Summary of license for Red Hat eCos operating system.
http://ecos.sourceware.org/license-overview.html