Open source version of Google Authenticator (except the Android app)
A TEA encryption with GUI for 32-bit 64-bit works only on windows.
Truecrypt Ported to wxGTK3
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
password safe / manager for linux and windows (and mac ?) via qt
Generate random wordlist to test your passwords' security
Free Encryption Tool
Easy to use pentesting distribution for wireless security enthusiasts
Classic & Modern Cryptography tools
A full-featured, secure and lightweight offline password manager
CPP Implementation of AAA Engine that glues RADIUS & TACACS+ client to
太极美术工程狮狮长一时兴起做的小玩具
Compiled into a single .jar file. Tiny Password Manager. Portable
Guncat acts like unix's cat, decrypting pgp encrypted sections
NCrypted - simple file encryption software with GPU support
cron-like daemon able to use ssh connections
forwards re-encrypted PGP/GPG mail to a group