Qtum Core Wallet
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
FIDO® Certified StrongKey FIDO Server (SKFS)
Open source disk encryption with strong security for the Paranoid
For full, incremental, compressed and encrypted backups or archives
Midbar is more than just an open source password vault!
Checksum calculator and verifier tool
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
NCrypted - simple file encryption software with GPU support