A simple, modern and secure encryption tool (and Go library)
Keybase Go library, client, service, OS X, iOS, Android, Electron
Exchange messages without worrying about the security of information
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Alleged RC4 crypto provider class library.
FIDO strong authentication, encryption, digital signature engine
FIDO-enabled, cloud file encryption with centralized key management.
Simple GUI tool for openssl to sign files with GOST algorithm
A Collection of Useful Java/Swing Code
.NET Library for Encryption/Decryption
A Hybrid Cryptosystem with Steganography DLL
All-purpose Encryption and Security Adaptation
Simple Java Encryption Library