Browse free open source Cryptography software and projects for Desktop Operating Systems below. Use the toggles on the left to filter open source Cryptography software by OS, license, language, programming language, and project status.
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
For full, incremental, compressed and encrypted backups or archives
C++ cryptographic library (modern hash functions, ciphers, KDFs)
57 Hash Functions In One Program, plus each with HMAC or KMAC
Multi hash crack suite
Python Based Brute Force Password Cracking Assistant By Clownsec
A family of FLEA-inspired CSPRNGs and Stream Ciphers
Classic & Modern Cryptography tools
Send Mime and Smime Emails to Any Type of Mail Server