WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
For full, incremental, compressed and encrypted backups or archives
57 Hash Functions In One Program, plus each with HMAC or KMAC
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Checksum calculator and verifier tool
GILIB Large Integer Arithmetic Library
Comfortable hash-tool for texts and files
Classic & Modern Cryptography tools
Secure Striker Manager
An utility that calculates and verifies Grøstl hashes of files
A tiny, fast encryption tool in C
A program to generate random reciprocal bigram tables
Encryption addressing long-term data secrecy
Encrypter that use chaos system
An IRC proxy to add chat encryption to IRC clients
Extended AES Cryptography
office steganography ooxml atributes