• http://www.opensource.org/

Links to open initiatives sharing knowlegde

• OpenEarth tutorials
• The Open Knowledge Foundation

External links

• ENCORA coastal wiki
• Encyclopedia of Earth
• World digital library
• Wikipedia

Open access scientific journals

• PLOS
• EGU journals
• http://www.openaccess.nl/

Matlab stuff

• Mathworks files exchange
• UndocumentedMatlab.com (For all matlab related questions not answered at the mathworks site)