gchaix writes "Funded through a grant from Facebook, Supercell provides free on demand virtualizaton and continuous integration testing for open source projects. It's built on an open stack (Linux, Ganeti, Django) and is hosted at the Oregon State University Open Source Lab." Link to Original Source
Programmers used to batch environments may find it hard to live without
giant listings; we would find it hard to use them.
-- D.M. Ritchie