WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
For full, incremental, compressed and encrypted backups or archives
Powerful webdav client and sync tools with client-side AES encryption
57 Hash Functions In One Program, plus each with HMAC or KMAC
The safest way to store private data in untrusted (cloud) environments
Robust and flexible VPN network tunnelling
antigift is simple cross-platform, files & folders encryption tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Multi hash crack suite
GILIB Large Integer Arithmetic Library
Comfortable hash-tool for texts and files
Secure mail + Tor gateway
Portable, secure and open source AES256 password manager
Classic & Modern Cryptography tools
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
Python Based Brute Force Password Cracking Assistant By Clownsec
A program to generate random reciprocal bigram tables