Linux_ho writes "Grid 5.2 is a distributed processing engine that runs on Solaris, and now Linux. Apparently it has been released under an "an industry-accepted open source license" but I couldn't find out which one. The product was designed to make use of the spare cycles from any idle Solaris or Linux machines on your network. Sun mentioned in the press release that it can be used for frame rendering, but I bet you can come up with some other interesting applications. Here's the FAQ."