GemForge Labs vs Mellivora: Side-by-Side Comparison (2026)

GemForge Labs: Subscription-based cybersecurity lab platform with hands-on hackable instances. built by GemForge Labs. Core capabilities include Personal hackable instances, Offensive, defensive, and sysadmin lab categories, Tiered subscription plans (Basic, Pro, Business)..

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..

Both serve the Cyber Range Training market but differ in approach, feature depth, and target audience.

GemForge Labs is developed by GemForge Labs founded in 2026-01-01T00:00:00.000Z. Mellivora is open-source with 453 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

GemForge Labs and Mellivora serve similar Cyber Range Training use cases: both are Cyber Range Training tools, both cover CTF, Education. Key differences: GemForge Labs is Commercial while Mellivora is Free, Mellivora is open-source. Review the feature comparison above to determine which fits your requirements.