Browse free open source Cryptography software and projects for Windows 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.
WPS wireless protocol audit software for Windows
Popular easy-to-use and secure password manager
Aviator hack: seed-inspection of aviator crash predictor & aviator app
Open source disk encryption with strong security for the Paranoid
A little tool to play with Windows security
Professional password generator and manager with full Unicode support
A secure socks5 proxy for Windows
A stable and secure tunnel based on KCP with N:M multiplexing and FEC
For full, incremental, compressed and encrypted backups or archives
Multi-platform transparent client-side encryption for your cloud files
Implementation of the EDIINT AS2 protocol (RFC 4130)
OpenSC - tools and libraries for smart cards
A modern, portable, easy to use crypto library
Free GUI replacement for Java command-line utilities keytool/jarsigner
A free "on-the-fly" transparent disk encryption program for PC & PDAs.