Wikipedia

• Data dump repository for English Wikipedia
• Importing XML dumps for Wikipedia
• SVN repo with Mediawiki for Wikipedia
• Using memcached on all of the client machines (TODO)
• XOWA Builds and maintains offline Wikipedia.

Libre Knowledge / Open Access:

• Open Access Directory (OAD) http://oad.simmons.edu/oadwiki/Main_Page
• https://openknowledge.worldbank.org/
• http://openfarmtech.org/
• http://www.instructables.com/ (offline version is problematic)
• http://mujica.org/khan/ (Khan Academy)
• http://www.gutenberg.org/ (Project Gutenberg)
• http://wikieducator.org/Initiatives Wikieducator Initiatives