CTFd is a Capture The Flag framework for running cybersecurity competitions and educational security challenges.. There are currently 2 open-source alternatives to CTFd, with a combined total of 124 GitHub stars. The most common language among these projects is Ruby.
Showing 2 open-source alternatives
A free open-source Ruby on Rails scoring server for cyber Capture the Flag competitions with dynamic hints and web-based challenge management.
A minimalist, JavaScript-free CTF platform inspired by motherfuckingwebsite.com, designed for simplicity and lightweight hosting.
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