The Unofficial GNU Projects Directory
The GNU Project of the Free Software Foundation is the primary free software project in the world. Being one of the oldest (since 1983), GNU also possibly has the broadest scope among Free Software projects. This web page aims to provide a directory to GNU projects, with information and links to their individual sites.
http://www.free-soft.org/gnu/project-directory.html

Core Software Group
Content Management Systems (CMS) come in a variety of shapes, sizes, and colors. Let our Plone consultants help you analyze your project to determine how it fits within Zope, CMF and/or Plone, and how it can be integrated with your other tools.
http://www.coresoftwaregroup.com

Pop, Gheorghe
Software and electronics projects designed for the linux platform.
http://www.minipop.org

Fitarelli.org
Offers free software projects for information engineering, process modeling, data modeling and other software projects issues.
http://homepage.mac.com/fitarelli/fitarelli/

Berkeley Open Infrastructure for Network Computing (BOINC)
BOINC is an open-source software platform for computing using volunteered resources
http://boinc.berkeley.edu

Henrik Theiling's Software Projects
Henrik Theiling's Software Projects for C, C++, Perl, and Lisp, and the Euro sign for LaTeX
http://www.theiling.de/projects/

Resources For Ecological Anthropology
Information on water management projects in Bali and the United States, plus free software developed for those projects.
http://www.ic.arizona.edu/~lansing/home.htm

Leach, John
John Leach's free software, photography, rambling words and other projects
http://www.johnleach.co.uk/

AI-CBR
Featured papers, researchers and projects, links to CBR people, research centres and projects, a guide to software tools, searchable online bibliography, virtual library, and a mailing list.
http://www.ai-cbr.org/

Scriptlance
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http://www.scriptlance.com