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

CTFd: CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities..

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)..

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

CTFd is open-source with 6,569 GitHub stars. GemForge Labs is developed by GemForge Labs founded in 2026-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

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