Framba
Fremba
These would require some 'blessing' from Jafula to be proper courtesy, or if you guys went nuts on collaboration you go to FreJamba or even FreeJamba, which plays on the open source nature of the project.

Fredbox

FOSBE (pronounced Fahz-bee) Freddy's Open Source Boxing Engine
Can do a lot of variants of this, I'd emphasize your name, open source, and that it's for boxing, since that's the jargon term we use for multiboxing.

edit:
Don't be shy about putting your own name or stamp on the project, you deserve the visibility and the credit, Jafula did it with Jamba and I think it was brilliant.