Our custom designed challenge workflow makes it easy to deploy your Docker based challenges. It's as easy as docker push. CTFd is free, open source software. “We struggled with our own infrastructure …

What is CTFd? CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes.

Attack & Defense CTFs are a less common kind of CTF with more moving parts. They're rarely done for the general public because of their complexity. In an A&D CTF, teams are each given the same set …

CTFd has 16 repositories available. Follow their code on GitHub.

CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes.

CTFd is used by many different clubs, universities, and companies to host their own Capture The Flags. While available as open source, CTFd developers also provide a managed hosting service available …

Nov 6, 2025 · Previously CTFd would default to an auto-detected language specified by the user's browser. This setting allows for that default to be set by the admin instead of auto-detected. Admins …

Nov 25, 2024 · It is a good idea to survey how many people are interested in playing the CTF. This will help you estimate the traffic on the actual day and the level of the participants, so you can frame the …

CTFd is a standard WSGI application so most if not all Flask documentation on deploying a Flask based application should apply. This page will focus on the recommended ways to deploy CTFd.

CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes.