... a portal for 97 institutional repositories from 16 developing and transition countries (Azerbaijan, Bulgaria, China, Croatia, Estonia, Kyrgyzstan, Lithuania, Mongolia, Namibia, Poland, Russia, Serbia, Slovenia, South Africa, Ukraine and Zimbabwe) and this number is growing. It now gives every visitor free access to 141,165 full-text research findings in a consistent and harmonised way. ...
The open access movement:
Putting peer-reviewed scientific and scholarly literature
on the internet. Making it available free of charge and
free of most copyright and licensing restrictions.
Removing the barriers to serious research.
I recommend the OA tracking project (OATP) as the best way to stay on top of new OA developments. You can read the OATP feed on a blog-like web page or subscribe to it by RSS, email, or Twitter. You can also help build the feed by tagging new developments you encounter.