SCSI Tape Encryption Manager
Support Tools for OpenSSH with multiple agents
Open Source Security tool to audit hashed passwords.
Guncat acts like unix's cat, decrypting pgp encrypted sections
sha3sum - A demonstration of the Keccak permutation.
Easy to use GlobalPlatform tool (and a Java library)
A tiny, fast encryption tool in C
A minimal CSPRNG reflecting the Zen of cipher design
SES brings back the uncrackable onetime pad, with a digital twist.
A family of small-state CSPRNGs and Stream Ciphers
A family of FLEA-inspired CSPRNGs and Stream Ciphers
jFileCrypt encrypts and decrypts files
ISC lets you encrypt & decrypt text and files of any type up to 4GB
xxteac - XXTEA Encrypter/Decrypter
Python Based Brute Force Password Cracking Assistant By Clownsec
A program to generate random reciprocal bigram tables