C12-GAMMA; next-generation ultra-secure communications for BSD/Linux !

Probably the most important cryptography software ever written
(because it contains the
source-code/algorithm for CipherPacket):

http://www.leopard.uk.com/cion

Leopard-L15 CSPRNG (a fixed version of ARC4/RC4):

http://www.leopard.uk.com/leopard