Open Professionals Education Network (OPEN)
OPEN provides free support and technical assistance to grantees of the Trade Adjustment Assistance Community College & Career Training (TAACCCT) grant program from the U.S. Department of Labor, but many of the resources are available to all.
OEDb is a comprehensive online education directory for both free and for-credit learning options. They offer up-to-date, detailed program information from accredited online colleges for degree seekers and categorize free online college courses from well-known universities and providers.
SchoolForge's mission is to unify independent organizations that advocate, use, and develop open educational resources. They advocate the use of open texts and lessons, open curricula, free software and open source in education.
SourceForge is an Open Source community resource dedicated to helping open source projects be as successful as possible. They thrive on community collaboration to help us create a premiere resource for open source software development and distribution.