Apple Developer Connection: Open Source
Features information on and downloads of the open source parts of Apple's OS X.
http://developer.apple.com/opensource/

Free-soft.org
General information on Free Software (Open Source) and its community.
http://www.free-soft.org/

Intel Open Source Computer Vision Library
The computer vision library will provide a wide range of functions, including gesture recognition, object-tracking, face recognition and camera calibration, that will help researchers develop ways to use "computer vision" as a method for people to interact with computers.
http://www.intel.com/technology/computing/opencv/

Open...
Weblog with news and comment on developments in open source, open genomics, and open content.
http://opendotdotdot.blogspot.com/

Open Ideas
User community support to Free Software projects, providing a news board, forums and wiki, as well as hosting services for mirrors.
http://openideas.info

Open Source and Linux from HP
A number of Open Source software projects that run on various HP systems.
http://opensource.hp.com/

Open Source Business Resource
Free monthly publication for Canadian business owners, company executives and employees, covering issues on free software in a business and institutional environment.
http://www.osbr.ca/

Open Source Resources
Resource site for Open Source Software researchers. Contains a bibliography, news and opinion sources, and links.
http://opensource.ucc.ie/

Panday.Net
A community website for Filipino Open Source Software / Free Software (OSS/FS) advocates.
http://www.geocities.com/panday_net/

Softpanorama
(slightly skeptical) open source software educational society. Eastern European focus; many links are ideal for those with few resources in hardware or money.
http://www.softpanorama.org/

Sun Source.net
Site about Sun's involvement in free and open source projects.
http://www.sun.com/software/opensource/index.jsp

A Quantitative Profile of a Community of Open Source Linux Developers
University of North Carolina, Chapel Hill, study: histories, analyses, explanations. <small>(October 6, 1999)</small>
http://www.ibiblio.org/osrt/develpro.html

Open...
Weblog with news and comment on developments in open source, open genomics, and open content. [Atom]
http://opendotdotdot.blogspot.com/feeds/posts/default