Commoditize Your Complements
Remember when I wrote that “smart companies try to commoditize their products’ complements?” We decided to take some of our own advice, here, so as of today, FogBUGZ can be run on top of MySQL, which is free, in addition to Microsoft SQL Server, which is expensive.
We also support two more source code control systems: CVSNT and Visual SourceSafe. [Joel on Software]