Encryption software for Mac OS X

BITCLAMP - $19

http://www.fastforwardsw.com/bitclamp/

iCrypt- 8 €

Simple to use but you must click everytime to perform functions that should be the default behavior.

http://software.couthouis.com/

AutoKrypt - $89.95

Very powerful with many automation options.

http://www.hiteksoftware.com/autokrypt/

KryptoSpace - Free - Discontinued, no support

http://www.cemacsoft.com/products/kryptospace/kryptospace.html

Espionage - $24.95

Seamless OX integration, intuitive setup dialogues.

http://www.taoeffect.com/espionage/