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License for FreeBSD operating system.
www.freebsd.org
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.www.stromian.com
Aladdin Free Public License (AFPL)
For Ghostscript, by Aladdin Enterprises.
License for 4.4BSD.
www.freebsd.org
BSD: NetBSD Licensing and Redistribution
License patterned after FreeBSD Copyright.
www.netbsd.org
License and background on Berkeley Computer Systems Research Group copyrights.
www.openbsd.org
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.
www.opensource.org
GNU General Public License (GPL)
One standard for licensing free software.
www.gnu.org
GNU Lesser General Public License (LGPL)
Formerly: GNU Library GPL.
www.gnu.org
Open source compliant, but not fully GPL compatible, the only incompatibility is inclusion of a choice-of-law clause.
www.python.org
Patterned after Apache license.
www.zope.org
Mozilla or Mozilla compatible, for E programming language.
www.erights.org
License for Debian GNU/Linux.
www.debian.org
CMU Amulet Toolkit License Agreement.
www.cs.cmu.edu
A free software OS.
www.cs.vu.nl