Open source?

Well, erm, not quite. But wait! If you are interested in and would like to, say contribute, please write to Jani Lehtimäki <jklnjet.net> and we'll see if that thing could change.

Anvil is owned by Njet Communications ltd, and development started as personal project in 1999. Currently there is about 137,000+ lines of code in about 600+ classes.