After seeing all of my hosting customers at RailsPlayground.com struggle setting up SVN Repsitory and Trac hosting. I wrote a control panel in Ruby on Rails to automate the process of creating repositories, users, and automatic setup of Trac.
In additional to giving this away to my RailsPlayground customer, I also came up with plans for just SVN hosting. We came out way before github was on the market and were one of the first source code hosting companies with an easy to use automated control panel.
A version of this service is still available for legacy customers.