rCTF

Self-hosted platform for running Capture The Flag security competitions.

Webfreeglobal

An open-source, self-hosted web platform for running Capture The Flag security competitions that provides challenge hosting, scoring, and participant management. It helps organizers avoid building competition infrastructure from scratch and is intended for CTF organizers, university teams, and security community groups; the project is maintained on GitHub.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of rCTF - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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