Original developer:

David Rosen, Wolfire Games

Contributors to the open source project, in alphabetical order:

Alexander Monakov
Côme Chilliet (MCMic)
David Rosen
Harley Laue
Jendraz
Neal Gompa
Philtron R.
Rémi Verschelde (akien)
Ryan C. Gordon (icculus)
sf17k
Silb
Vadim Trochinsky