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