ACI Learning Skill Labs is a commercial cyber range training solution by ACI Learning. CTFd is a free cyber range training solution. Features, integrations, deployment and the company behind each one, side by side.
Virtual hands-on IT & cybersecurity lab platform for academic programs.
CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities.
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Based on what each listing shows: deployment, company size, price and open source.
ACI Learning Skill Labs fits if you want a cloud product.
CTFd fits if you need both cloud and on-premises options, you need a free product and you want an open-source product.
Common questions when comparing ACI Learning Skill Labs vs CTFd for cyber range training.
ACI Learning Skill Labs: Virtual hands-on IT & cybersecurity lab platform for academic programs, built by ACI Learning.
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.
The table above shows where their features, integrations, deployment and company size fit differ.
ACI Learning Skill Labs is made by ACI Learning. CTFd is open-source with 6,569 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. ACI Learning Skill Labs and CTFd are both Cyber Range Training products, and both cover Education. Key differences: ACI Learning Skill Labs is Commercial while CTFd is Free, CTFd is open-source. Use the table above to see where features, deployment and company size fit differ.
No Cyber Range Training shortlist yet. This is the closest one.
Updated 2026-11-02
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