CTFLAB is described as 'Allows organizers to create, deploy and manage CTF (Capture The Flag) competitions end-to-end, without any server infrastructure management' and is an website in the online services category. There are four alternatives to CTFLAB, not only websites but also apps for Self-Hosted, Ruby, Docker and Linux. The best CTFLAB alternative is Hack the Arch, which is both free and Open Source. Other great sites and apps similar to CTFLAB are CTFd, Mellivora and MITRE CTF Scoreboard.
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...
CTFd is a CTF in a can. Easily modifiable and has everything you need to run a jeopardy style CTF.
