For full, incremental, compressed and encrypted backups or archives
Free portable cross-platform graphical multi-user password manager
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Multi hash crack suite
GMR digital signature system
Open Source PKI solutions
Support Tools for OpenSSH with multiple agents
Open Source Security tool to audit hashed passwords.
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
Encrypting, anonymous, unlimited size message transfer system
A minimal CSPRNG reflecting the Zen of cipher design
A tiny, fast encryption tool in C
Java native access for pc/sc, pkcs11, openct based on JNA
ISC lets you encrypt & decrypt text and files of any type up to 4GB
a powerful multipurpose checksum utility
Ciphermail email encryption gateway (S/MIME, OpenPGP, PDF encryption)