Rasta9 Right, but it's VERY close none the less as they just don't allow commercial distribution.
It's much more than just source available.
The only limitation is basicaly : "You may use or modify the software only for non-commercial purposes..." , "You may distribute the software or provide it to others only if you do so free of charge for non-commercial purposes...".
Actually, it's an excellent license. Very short and to the point. Especially given the millions of dollars Eron Wolf (Futo) is spending to bring us all of these privacy focused apps for free.