OpenLogic' OSS Discovery Audit Edition gets a Gearhead rating of 5 out of 5.
If you're researching open source software another useful resource is ohloh, "a free, public directory of Free and Open Source Software and the contributors who create and maintain it" run by Black Duck Software.
The Ohloh index "is editable by everyone, like a wiki" but it is "not a forge it does not host projects and code. Ohloh is a directory, a community, and analytics and search services. By connecting to project source code repositories, analyzing both the code's history and ongoing updates, and attributing those updates to specific contributors, Ohloh can provide reports about the composition and activity of project code bases, and aggregate this data to track the changing demographics of the FOSS world."
Ohloh also offers Ohloh Code, a free, publicly available code search services that indexes "most of the projects in Ohloh." This service allows you to search for any text within files and file names or for strings specifically included in classes, functions, interfaces, methods, structures, or files.
Ohloh recently announced that the data derived from its huge code repository (FOSS project activity metrics) is now licensed under the Creative Commons Attribution 3.0 Unported License and is accessible via an API.
Ohloh and Ohloh Code get a Gearhead rating of 5 out of 5.
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