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