CalemEAM is an open source enterprise asset management (EAM/CMMS) suite, featuring Web 2.0 Ajax client with drag-and-drop customization and a PHP based server. This free CMMS/EAM project can be used for industrial, facility and IT asset management.
Not actually open source, they are misusing SF. "Enterprise" version is up to something like R7.x
This hasn't been updated in forever. The open source version is too crippled to be of any use, and the commercial OSS version is way too expensive for anyone other than a Fortune 500.