Knowledge Base: What are all the different license types?

Licenses proliferate faster than we can track them, but here are links to more information about some of the most common ones you'll see on freshmeat:

Adaptive Public License (APL)
http://www.opensource.org/licenses/apl1.0.php

Aladdin Free Public License (AFPL)
http://www.cs.wisc.edu/\~ghost/doc/cvs/Public.htm

Apple Public Source License (APSL)
http://www.opensource.apple.com/apsl/

Artistic License
http://opensource.org/licenses/artistic-license.html

Boost Software License
http://www.boost.org/users/license.html

BSD License
http://opensource.org/licenses/bsd-license.html

Common Development and Distribution License (CDDL)
http://www.sun.com/cddl/

Common Public License
http://opensource.org/licenses/cpl.html

Copyback License
http://copyback.czv.com/copyback/

Eclipse Public License
http://www.eclipse.org/legal/epl-v10.html

Educational Community License
http://www.opensource.org/licenses/ecl1.php

Eiffel Forum License (EFL)
http://opensource.org/licenses/eiffel.html

Freeware
http://www.catb.org/\~esr/jargon/html/F/freeware.html

GNAT Modified GPL (GMGPL)
http://gnade.sourceforge.net/#download

GNU Free Documentation License (FDL)
http://www.gnu.org/copyleft/fdl.html

GNU General Public License (GPL)
http://www.gnu.org/copyleft/gpl.html

GNU Lesser General Public License (LGPL)
http://www.gnu.org/copyleft/lesser.html

IBM Public License
http://opensource.org/licenses/ibmpl.html

MIT/X Consortium License
http://opensource.org/licenses/mit-license.html
This family includes any license where the only significant condition for a wide range of uses is retention of the copyright and license notices.

MITRE Collaborative Virtual Workspace License (CVW)
http://opensource.org/licenses/mitrepl.html

Mozilla Public License (MPL)
http://opensource.org/licenses/mozilla1.0.html

Netscape Public License (NPL)
http://www.mozilla.org/MPL/NPL-1.0.html

Nokia Open Source License (NOKOS)
http://opensource.org/licenses/nokia.html

Open Software License
http://opensource.org/licenses/osl-2.1.php

OSI Approved
http://opensource.org/licenses/

Public Domain
http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?public+domain

Python License
http://opensource.org/licenses/pythonpl.html

QT Public License (QPL)
http://opensource.org/licenses/qtpl.html

Ricoh Source Code Public License
http://opensource.org/licenses/ricohpl.html

Shareware
http://www.catb.org/\~esr/jargon/html/S/shareware.html

SUN Binary Code License
http://wwws.sun.com/software/solaris/binaries/bcl.html

SUN Community Source License
http://wwws.sun.com/software/communitysource/

The Apache License
http://opensource.org/licenses/apachepl.html

The Apache License 2.0
http://www.apache.org/licenses/LICENSE-2.0.html

The CeCILL License
http://www.cecill.info/licences/Licence_CeCILL_V1.1-US.html

The Clarified Artistic License
http://www.statistica.unimib.it/utenti/dellavedova/software/artistic2.html

The Latex Project Public License (LPPL)
http://www.latex-project.org/lppl.html

The Open Content License
http://opencontent.org/opl.shtml

The PHP License
http://www.php.net/license/

Voxel Public License (VPL)
http://www.voxel.net/VPL.txt

W3C License
http://opensource.org/licenses/W3C.html

WTFPL
http://en.wikipedia.org/wiki/WTFPL

zlib/libpng License
http://opensource.org/licenses/zlib-license.html

Zope Public License (ZPL)
http://www.zope.org/Resources/ZPL