SentinelTestbed is a free cyber range training solution. SimSpace Cyber Range is a commercial cyber range training solution by SimSpace. Features, integrations, deployment and the company behind each one, side by side.
A vulnerable web site for testing Sentinel features
Cyber range platform for training, testing, and validating security readiness
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Based on what each listing shows: deployment, company size, price and open source.
SentinelTestbed fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
SimSpace Cyber Range fits if you want a cloud product and you are an enterprise.
Common questions when comparing SentinelTestbed vs SimSpace Cyber Range for cyber range training.
SentinelTestbed: A vulnerable web site for testing Sentinel features.
SimSpace Cyber Range: Cyber range platform for training, testing, and validating security readiness, built by SimSpace.
The table above shows where their features, integrations, deployment and company size fit differ.
SentinelTestbed is open-source with 11 GitHub stars. SimSpace Cyber Range is made by SimSpace. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. SentinelTestbed and SimSpace Cyber Range are both Cyber Range Training products. Key differences: SentinelTestbed is Free while SimSpace Cyber Range is Commercial, 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 2026-11-01
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