A high-level OpenPGP library
The source code of the In-Browser-File-Encrypter web app
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Bug-fix-only libev port of shadowsocks
SCSI Tape Encryption Manager
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.
AES Encryption Program
ISC lets you encrypt & decrypt text and files of any type up to 4GB
xxteac - XXTEA Encrypter/Decrypter
AES-128, Linux, OpenBSD, Assembly-Language