"There are tens of thousands of open source projects in the wild, but how do you determine what's good and what's not? Simply looking at the popularity of a project on SourceForge.net is enough for some, but with the increased diversity of open source code repositories, that's not going to cut it for the rest.
"Ohloh, a resource for open source intelligence on thousands of open source projects, has up-to-date information on open source projects and the people who develop them, Scott Collison, CEO of Ohloh, told internetnews.com..."