Mrs is a simple implementation of MapReduce,
Google's programming model for parallel
computation. Although less mature than other
MapReduce systems, Mrs intends to be more
convenient for research and education.
Smug is a live-editing content system backed by a
Git repository. It behaves like a wiki, except
that the content is fully backed by a revision
control system.
I haven't tried cssh yet, and I'm sure it's great, but I would like to point out an inaccurate comment in the project description: PSSH does not spawn threads for all hosts. It runs with a fixed nu...