Metasploitable3 vs SimSpace Cyber Range Platform: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
Metasploitable3 is a free cyber range training tool. SimSpace Cyber Range Platform is a commercial cyber range training tool by SimSpace. Compare features, ratings, integrations, and community reviews side by side to find the best cyber range training fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictShort answer
Security teams building internal cyber ranges or red team labs should choose Metasploitable3 for its deliberately vulnerable attack surface and tight integration with Metasploit Framework, eliminating the setup friction of hunting for compatible targets. The 5,470 GitHub stars reflect sustained adoption by practitioners, and the free price point means you can spin up isolated instances for each training cohort without budget negotiation. Skip this if you need a modern Windows environment or current OS versions; Metasploitable3's older stack is the feature, not the bug, but it won't teach your team anything about patching contemporary vulnerabilities. Security teams building detection engineering programs or validating SOC readiness will get the most from SimSpace Cyber Range Platform because it lets you test actual payloads and tactics against your real security stack in a sandbox, not just run canned scenarios. The platform covers all four NIST CSF 2.0 awareness and training functions with particular strength in detection engineering validation and disaster recovery testing, which most ranges skip entirely. Skip this if your priority is compliance checkbox training rather than operationalizing what your team learns; SimSpace demands active scenario design and thoughtful integration with your existing tools.
