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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.

Against DRM 2.0 - - A free copyleft license for artworks, which forbids DRM. Includes licence text, FAQ, and a few translations.

• 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 Licenses - - Overview of the different versions of the Apache licenses.

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

  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.

  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.

  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.

  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 FAQs.

  Mozilla Public License Version 1.0 - - Follows the Debian Free Software guidelines.

  MySQL - - Complex hybrid license: public domain, GPL, LGPL, Open Source, commercial.

  Open Group Public License - - Open Motif Graphical GUI Software, Public End User 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.

  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.

  Squeak License - - License for the Squeak software suite, mainly provided by Apple.

  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.