Heather Morrison has put together some Quick Stats, Fast Facts for those who need a quick update on the progress of OA. Excerpt:
How much open access is there? The Directory of Open Access Journals (DOAJ) lists over 2,800 journals as of August 2007. Growth rate: more than 1 title per calendar day.
An OAIster search encompasses more than 12 million records from over 850 repositories.
Scientific Commons includes more than 16 million publications by more than 6 million authors in 877 repositories.
The world's largest open access archive is PubMed Central, which exceeded the one million mark in June 2007....
Posted by
Peter Suber at 8/20/2007 11:37:00 AM.
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.