For full, incremental, compressed and encrypted backups or archives
57 Hash Functions In One Program, plus each with HMAC or KMAC
Robust and flexible VPN network tunnelling
Powerful webdav client and sync tools with client-side AES encryption
antigift is simple cross-platform, files & folders encryption tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Multi hash crack suite
Secure mail + Tor gateway
xxteac - XXTEA Encrypter/Decrypter
RSA 4096 C++ library
Encryption addressing long-term data secrecy