WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Open source disk encryption with strong security for the Paranoid
Popular easy-to-use and secure password manager
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Professional password generator and manager with full Unicode support
A 448-bit Edwards curve
Implementation of the EDIINT AS2 protocol (RFC 4130)
For full, incremental, compressed and encrypted backups or archives
Sign PDF with Digital Signature Software. Batch PDF Sign. DSC Signer.
FIDO® Certified StrongKey FIDO Server (SKFS)
Single Linux or Windows binary for secure text encryption
Updated to recommend the AES 256 CTR Galois mode
UFONet - Denial of Service Toolkit
cross-platform, encryption application
AS4 Solution for ENTSOG, e-SENS, ebMS, PEPPOL, ICS2, BDEW
Open-source PureBasic implementation of the Shamir Secret Sharing