Features, pricing, ratings, and pros and cons, compared head to head.
Mellivora is a free cyber range training tool. MetaCTF Cloud Labs / Cloud Ranges is a commercial cyber range training tool by MetaCTF. Compare features, ratings, integrations, and community reviews side by side to find the best cyber range training fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
Based on our analysis of core features, here is our conclusion:
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.
Mellivora Mellivora is a PHP-based CTF engine that provides comprehensive competition hosting capabilities with challenge management, team scoring, and administrative tools for cybersecurity competitions.
Cloud-based, team-based hands-on cybersecurity training labs simulating real networks
Access NIST CSF 2.0 data from thousands of security products via MCP to assess your stack coverage.
Access via MCPExplore more tools in this category or create a security stack with your selections.
Common questions about comparing Mellivora vs MetaCTF Cloud Labs / Cloud Ranges for your cyber range training needs.
Mellivora: Mellivora Mellivora is a PHP-based CTF engine that provides comprehensive competition hosting capabilities with challenge management, team scoring, and administrative tools for cybersecurity competitions..
MetaCTF Cloud Labs / Cloud Ranges: Cloud-based, team-based hands-on cybersecurity training labs simulating real networks. built by MetaCTF..
Both serve the Cyber Range Training market but differ in approach, feature depth, and target audience.
Mellivora is open-source with 453 GitHub stars. MetaCTF Cloud Labs / Cloud Ranges is developed by MetaCTF. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Mellivora and MetaCTF Cloud Labs / Cloud Ranges serve similar Cyber Range Training use cases: both are Cyber Range Training tools, both cover CTF, Education. Key differences: Mellivora is Free while MetaCTF Cloud Labs / Cloud Ranges is Commercial, Mellivora is open-source. Review the feature comparison above to determine which fits your requirements.
Get strategic cybersecurity insights in your inbox