Modular, high-performance, zero-dependency cryptography stack
AWS Encryption SDK for C
Qtum Core Wallet
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Open source disk encryption with strong security for the Paranoid
For full, incremental, compressed and encrypted backups or archives
FIDO® Certified StrongKey FIDO Server (SKFS)
Free portable cross-platform graphical multi-user password manager
Midbar is more than just an open source password vault!
cryptographic contract format
Free and open-source PDF signing and verification application.
A secure socks5 proxy for Windows
Halimede Certificate Authority
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Send Mime and Smime Emails to Any Type of Mail Server
GMR digital signature system
Open Source PKI solutions
FIDO strong authentication, encryption, digital signature engine
A command-line utility for calculating and verifying file checksums.