Cross platform web application firewall (WAF) engine for Apache
Solving the Satoshi Puzzle
C++ cryptographic library (modern hash functions, ciphers, KDFs)
A secure socks5 proxy for Windows
toolchain for obfuscated compilation
Bug-fix-only libev port of shadowsocks
Crypt encryption and decryption is based on ASCII Table Shift.
ISC lets you encrypt & decrypt text and files of any type up to 4GB
EaseFilter Comprehensive File Security SDK