rick446 writes "In late 2009 SourceForge embarked on a plan to “reboot” our developer tools on an open platform including Python, MongoDB, RabbitMQ, and SOLR. The result was the Allura platform, and was released under the Apache License in February 2011." Link to Original Source
Every nonzero finite dimensional inner product space has an orthonormal basis.
It makes sense, when you don't think about it.