
Description: CTFd is an open source capture the flag (CTF) platform used to host jeopardy and attack-defense style CTF competitions. It provides user registration, challenge hosting, scoring, and more out of the box.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Hack the Arch is an online game that teaches ethical hacking and cybersecurity concepts in a fun and engaging way. Players go through various hacking challenges and learn about topics like cryptography, network security, web hacking, forensics, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API