CTFd is a free cyber range training solution. SudoCyber is a commercial cyber range training solution by SudoCyber. Features, integrations, deployment and the company behind each one, side by side.
CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities.
Gamified cybersecurity training platform with hands-on labs and certifications
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Based on what each listing shows: deployment, company size, price and open source.
CTFd fits if you need a free product and you want an open-source product.
Common questions when comparing CTFd vs SudoCyber for cyber range training.
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.
SudoCyber: Gamified cybersecurity training platform with hands-on labs and certifications. Built by SudoCyber.
The table above shows where their features, integrations, deployment and company size fit differ.
CTFd is open-source with 6,569 GitHub stars. SudoCyber is made by SudoCyber. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. CTFd and SudoCyber are both Cyber Range Training products, and both cover CTF, Education. Key differences: CTFd is Free while SudoCyber is Commercial, CTFd is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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