Bug-fix-only libev port of shadowsocks
AWS Encryption SDK
Turn any USB flash drive into a master key for your PC
Open-source PureBasic implementation of the Shamir Secret Sharing
Open-source code that enables you to use AES in CBC mode
Open-source code that enables you to use Serpent in CBC mode
file/stream encryption/decryption/CRC based on PI compute algorithm
SHA-256 Algorithm Implementation in C
C++ cryptographic library (modern hash functions, ciphers, KDFs)
TTAK.KO-12.0223 Lightweight Encryption Algorithm Tool
A secure socks5 proxy for Windows
Alleged RC4 crypto provider class library.
Elegant and reliable profile data storage
Stanford Javascript Crypto Library
One-time-pad encryption using a virtual pad
A command-line utility for calculating and verifying file checksums.
NCrypted - simple file encryption software with GPU support
Implementation of the GNFS for discrete logarithm problem in GF(p)
Light video encryption technique (source code)
Another encryption algorithm
Encrypt Your Text documents with XOR encryption