CTFd
Open-source capture the flag framework for hacking competitions
CTFd is an easy-to-use, customizable platform for running capture the flag competitions, with challenge management, scoring, teams, and a public scoreboard. It is widely self-hosted for security training events and game-based learning.
Key features
- CTF competition hosting
- Challenge and team management
- Live scoreboard
- Plugin and theme system
Strengths
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Mature project with 6.8k GitHub stars
- Written in Python
CTFd replaces
Compare CTFd
25 head-to-head comparisons.
- CTFd vs Mindustry
- CTFd vs Lichess
- CTFd vs OpenRCT2
- CTFd vs papermc-docker
- CTFd vs ArchiSteamFarm
- CTFd vs Cytopia Note - games browser alt 2048
- CTFd vs Nakama
- CTFd vs Cataclysm: Dark Days Ahead
- CTFd vs Paper Note - PaperMC server alt Spigot
- CTFd vs Unciv
- CTFd vs Prism Launcher
- CTFd vs BrowserQuest
- CTFd vs Pterodactyl
- CTFd vs AzerothCore
- CTFd vs A Dark Room
- CTFd vs OpenTTD
- CTFd vs Endless Sky
- CTFd vs Mineflayer
- CTFd vs Colyseus
- CTFd vs Agones
- CTFd vs shapez.io
- CTFd vs Battle for Wesnoth
- CTFd vs Ren'Py
- CTFd vs VCMI
- CTFd vs GeyserMC
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