Browse free open source Cryptography software and projects 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.
Open source disk encryption with strong security for the Paranoid
WPS wireless protocol audit software for Windows
Popular easy-to-use and secure password manager
Professional password generator and manager with full Unicode support
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Multi-platform transparent client-side encryption for your cloud files
A little tool to play with Windows security
Implementation of the EDIINT AS2 protocol (RFC 4130)
For full, incremental, compressed and encrypted backups or archives
A shadowsocks client for Android
A secure socks5 proxy for Windows
Decrypt encryptions without knowing the key or cipher