Laravel Passport provides OAuth2 server support to Laravel
UFONet - Denial of Service Toolkit
Centralized vetting and records of Certificate Signing Requests (CSRs)
Full-featured C2 framework which silently persists on webserver
TACACS+ server for network devices
Encrypting, anonymous, unlimited size message transfer system
An IRC proxy to add chat encryption to IRC clients
A simple script for distributed computing through PHP: