ACI Learning Skill Labs is a commercial cyber range training solution by ACI Learning. SentinelTestbed 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.
A vulnerable web site for testing Sentinel features
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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 and you are an enterprise.
SentinelTestbed fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Common questions when comparing ACI Learning Skill Labs vs SentinelTestbed for cyber range training.
ACI Learning Skill Labs: Virtual hands-on IT & cybersecurity lab platform for academic programs, built by ACI Learning.
SentinelTestbed: A vulnerable web site for testing Sentinel features.
The table above shows where their features, integrations, deployment and company size fit differ.
ACI Learning Skill Labs is made by ACI Learning. SentinelTestbed is open-source with 11 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 SentinelTestbed are both Cyber Range Training products. Key differences: ACI Learning Skill Labs is Commercial while SentinelTestbed is Free, SentinelTestbed 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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