AWS Encryption SDK for C
Decode various cryptocurrency addresses
Powerful webdav client and sync tools with client-side AES encryption
57 Hash Functions In One Program, plus each with HMAC or KMAC
Bug-fix-only libev port of shadowsocks
A tiny, fast encryption tool in C
A family of FLEA-inspired CSPRNGs and Stream Ciphers
xxteac - XXTEA Encrypter/Decrypter
A free "on-the-fly" transparent disk encryption program for PC & PDAs.
Fast and Strong Data Encryption Algorithm
Set of useful tools for payment service development