rCTF

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

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rCTF is an open-source platform for running Capture The Flag (CTF) security competitions, letting organizers host challenges, track scoring, and manage participants on their own infrastructure.

Website

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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