For full, incremental, compressed and encrypted backups or archives
32768-bit symmetric-key encryption, fully-functional development CLI
Encryption App
xxteac - XXTEA Encrypter/Decrypter
Fileprivacy easily encrypts your files
Another encryption solution (with Blowfish algorithm) for SQLite3
AES-128, Linux, OpenBSD, Assembly-Language
Set of useful tools for payment service development