Complete and free implementation of the OpenPGP standard
Bug-fix-only libev port of shadowsocks
57 Hash Functions In One Program, plus each with HMAC or KMAC
Little program for encryption-decryption.
Leet is CCEx's software application for on-the-fly encryption (OTFE).
NCrypted - simple file encryption software with GPU support
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
SES brings back the uncrackable onetime pad, with a digital twist.
xxteac - XXTEA Encrypter/Decrypter
Simple, lightweight, standalone command-line single file encryption.