FIDO® Certified StrongKey FIDO Server (SKFS)
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Implementation of the EDIINT AS2 protocol (RFC 4130)
UFONet - Denial of Service Toolkit
Java application for encryption
Tiny application which allows encrypting basic text.
Smoke: Android Crypto Chat Messenger
Web application to register FIDO keys from TLS ClientAuth sessions
Centralized signing and verification
GMR digital signature system
Open Source PKI solutions
FIDO strong authentication, encryption, digital signature engine
An encryption tool for creating file archives
Secure mail + Tor gateway
CrococryptQuerl is a web-based file encryption & transfer tool
Encrypting, anonymous, unlimited size message transfer system