FBCTF vs Mellivora: 2026 Comparison
FBCTF is a free cyber range training tool. Mellivora is a free cyber range training tool. Compare features, ratings, integrations, and community reviews side by side to find the best cyber range training fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Security training teams running competitive capture-the-flag programs will get the most from FBCTF because it handles both Jeopardy and King of the Hill formats at any scale without licensing friction. The platform's 6,500+ GitHub stars and active deployment across government and enterprise red teams signal real operational maturity behind a free model. Skip this if your organization needs a guided, linear curriculum or hands-on labs for individual skill progression; FBCTF is built for competitions and events, not self-paced learning paths.
Security teams running internal CTF competitions or capture-the-flag training programs should use Mellivora for its lightweight, self-hosted architecture; you get full control over challenge creation and scoring without vendor lock-in or monthly bills. With 453 GitHub stars and PHP-based deployment, it's proven enough for university programs and mid-sized security training operations that want to host their own infrastructure. Skip this if you need a managed platform with slick UX or integration into a broader security awareness suite; Mellivora requires hands-on administration and assumes your team is comfortable with open-source tooling.
