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
antigift is simple cross-platform, files & folders encryption tool
Multi hash crack suite
Send Mime and Smime Emails to Any Type of Mail Server
GILIB Large Integer Arithmetic Library
Comfortable hash-tool for texts and files
Secure mail + Tor gateway
Programa de Criptografia.
Protect and Obfuscate Encode PHP File From reading ( Opensource )
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
Python Based Brute Force Password Cracking Assistant By Clownsec
A program to generate random reciprocal bigram tables
Encryption addressing long-term data secrecy