sha3sum - A demonstration of the Keccak permutation.
Easy to use GlobalPlatform tool (and a Java library)
Backups configuration files from Firewalls and other appliances.
Cross-platform smart fuzzer
an extremely buggy web app !
A minimal CSPRNG reflecting the Zen of cipher design
SES brings back the uncrackable onetime pad, with a digital twist.
A tiny, fast encryption tool in C
A family of small-state CSPRNGs and Stream Ciphers
A family of FLEA-inspired CSPRNGs and Stream Ciphers
Tool for automatic security and configuration testing
Generates random fake names
jFileCrypt encrypts and decrypts files
Perl implementation of a SCAP benchmark tool
ISC lets you encrypt & decrypt text and files of any type up to 4GB
Finds all the security information for a given domain name
Authentication, Access Control, and Single Sign-On
xxteac - XXTEA Encrypter/Decrypter
GPU accelerated password cracking tools