Powerful webdav client and sync tools with client-side AES encryption
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
Robust and flexible VPN network tunnelling
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Send Mime and Smime Emails to Any Type of Mail Server
Checksum calculator and verifier tool
GILIB Large Integer Arithmetic Library
Comfortable hash-tool for texts and files
Programa de Criptografia.
Classic & Modern Cryptography tools
Secure Striker Manager
sha3sum - A demonstration of the Keccak permutation.
A family of FLEA-inspired CSPRNGs and Stream Ciphers
A tiny, fast encryption tool in C
RSA 4096 C++ library
xxteac - XXTEA Encrypter/Decrypter
A program to generate random reciprocal bigram tables