Laravel Passport provides OAuth2 server support to Laravel
PHP strong authentication library, web interface & CLI, OATH certified
A dead simple VPN
Extensible security first OAuth 2.0 and OpenID Connect SDK for Go
A high-level OpenPGP library
AS2 1.1 server implementation in Java
A free Usenet server with SQL backend and RBAC.
Centralized signing and verification
Toolkit aimed to perform lateral movement in restricted environments
GMR digital signature system
SCSI Tape Encryption Manager
password safe / manager for linux and windows (and mac ?) via qt
an extremely buggy web app !
Change system password web based
This tool locks down Linux and UNIX systems.
Free-SA is report generating tool for web, proxy and mail log files
mod_gnutls apache module
Distributed reverse / forward proxy and tunneling solution for TCP.