CTFd

CTFs as you need them

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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.

CTFd is a CTF in a can.

Features

  • Create your own challenges, categories, hints, and flags from the Admin Interface
    • Dynamic Scoring Challenges
    • Unlockable challenge support
    • Challenge plugin architecture to create your own custom challenges
    • Static & Regex based flags
      • Custom flag plugins
    • Unlockable hints
    • File uploads to the server or an Amazon S3-compatible backend
    • Limit challenge attempts & hide challenges
    • Automatic bruteforce protection
  • Individual and Team based competitions
    • Have users play on their own or form teams to play together
  • Scoreboard with automatic tie resolution
    • Hide Scores from the public
    • Freeze Scores at a specific time
  • Scoregraphs comparing the top 10 teams and team progress graphs
  • Markdown content management system
  • SMTP + Mailgun email support
    • Email confirmation support
    • Forgot password support
  • Automatic competition starting and ending
  • Team management, hiding, and banning
  • Customize everything using the plugin and theme interfaces
  • Importing and Exporting of CTF data for archival
  • And a lot more...

Install

  1. Install dependencies: pip install -r requirements.txt
    1. You can also use the prepare.sh script to install system dependencies using apt.
  2. Modify CTFd/config.py to your liking.
  3. Use flask run in a terminal to drop into debug mode.

You can use the auto-generated Docker images with the following command:

docker run -p 8000:8000 -it ctfd/ctfd

Or you can use Docker Compose with the following command from the source repository:

docker-compose up

Check out the wiki for deployment options and the Getting Started guide

Live Demo

https://demo.ctfd.io/

Support

To get basic support, you can join the MajorLeagueCyber Community: MajorLeagueCyber Discourse

If you prefer commercial support or have a special project, feel free to contact us.

Managed Hosting

Looking to use CTFd but don't want to deal with managing infrastructure? Check out the CTFd website for managed CTFd deployments.

MajorLeagueCyber

CTFd is heavily integrated with MajorLeagueCyber. MajorLeagueCyber (MLC) is a CTF stats tracker that provides event scheduling, team tracking, and single sign on for events.

By registering your CTF event with MajorLeagueCyber users can automatically login, track their individual and team scores, submit writeups, and get notifications of important events.

To integrate with MajorLeagueCyber, simply register an account, create an event, and install the client ID and client secret in the relevant portion in CTFd/config.py or in the admin panel:

OAUTH_CLIENT_ID = None
OAUTH_CLIENT_SECRET = None

Credits

Main metrics

Overview
Name With OwnerCTFd/CTFd
Primary LanguagePython
Program languagePython (Language Count: 11)
Platform
License:Apache License 2.0
所有者活动
Created At2015-01-01 05:36:55
Pushed At2025-04-15 05:19:23
Last Commit At2025-04-14 01:22:53
Release Count65
Last Release Name3.7.7 (Posted on )
First Release Name1.0.0 (Posted on )
用户参与
Stargazers Count6k
Watchers Count116
Fork Count2.3k
Commits Count1.5k
Has Issues Enabled
Issues Count1232
Issue Open Count295
Pull Requests Count1185
Pull Requests Open Count69
Pull Requests Close Count252
项目设置
Has Wiki Enabled
Is Archived
Is Fork
Is Locked
Is Mirror
Is Private