This is a scoring server built using Ruby on Rails by the Military Cyber Professionals Association (MCPA). It is free to use and extend under the MIT license (see LICENSE file). The goal of this project is to provide a standard generic scoring server that provides an easy way to...
Cost / License
- Free
- Open Source
Platforms
- Linux
- Self-Hosted
- Ruby
- Docker




Hack the Arch is the most popular Linux & Self-Hosted alternative to CTFd.
Hack the Arch is the most popular Open Source & free alternative to CTFd.
- Hack the Arch is Free and Open Source












Many more features than CTFd.