# SentinelTestbed vs SimSpace Attack Catalog: side-by-side comparison (2026)

[SentinelTestbed](https://cybersectools.com/tools/sentineltestbed) is a free [cyber range training](https://cybersectools.com/categories/cyber-range) solution. [SimSpace Attack Catalog](https://cybersectools.com/tools/simspace-attack-catalog) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [SimSpace](https://cybersectools.com/companies/simspace). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | SentinelTestbed | SimSpace Attack Catalog |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Cyber Range Training | Cyber Range Training |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market | SMB, Mid-Market, Enterprise |
| GitHub stars | 11 | – |
| Last commit | Nov 2016 | – |
| Company | – | SimSpace |
| Headquarters | – | – |

### Use cases and capabilities

| | SentinelTestbed | SimSpace Attack Catalog |
|---|---|---|
| PHP | Yes | – |
| SQLite | Yes | – |
| Vulnerable Applications | Yes | – |
| APT | – | Yes |
| Blue Team | – | Yes |
| Cyber Range | – | Yes |
| Red Team | – | Yes |

### Core features

**SentinelTestbed**

No features listed.

**SimSpace Attack Catalog**

8 features listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [SentinelTestbed](https://cybersectools.com/tools/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 Attack Catalog](https://cybersectools.com/tools/simspace-attack-catalog) fits if you want a cloud product and you are an enterprise.

## SentinelTestbed vs SimSpace Attack Catalog FAQ

Common questions when comparing SentinelTestbed vs SimSpace Attack Catalog for cyber range training.

### What is the difference between SentinelTestbed and SimSpace Attack Catalog?

**SentinelTestbed**: A vulnerable web site for testing Sentinel features.

**SimSpace Attack Catalog**: Catalog of simulated attack scenarios for cyber defense training and validation, built by SimSpace.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes SentinelTestbed and SimSpace Attack Catalog?

**SentinelTestbed** is open-source with 11 GitHub stars. **SimSpace Attack Catalog** is made by SimSpace. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is SentinelTestbed a good alternative to SimSpace Attack Catalog?

Often, yes. SentinelTestbed and SimSpace Attack Catalog are both Cyber Range Training products. Key differences: SentinelTestbed is Free while SimSpace Attack Catalog is Commercial, SentinelTestbed is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SentinelTestbed vs Hack The Box Enterprise Platform](https://cybersectools.com/compare/hack-the-box-enterprise-platform-vs-sentineltestbed)
- [SentinelTestbed vs Hack The Box Cyber Readiness Platform](https://cybersectools.com/compare/hack-the-box-cyber-readiness-platform-vs-sentineltestbed)
- [SentinelTestbed vs Hack The Box for Purple Teams](https://cybersectools.com/compare/hack-the-box-for-purple-teams-vs-sentineltestbed)
- [SimSpace Attack Catalog vs Hack The Box Enterprise Platform](https://cybersectools.com/compare/hack-the-box-enterprise-platform-vs-simspace-attack-catalog)
- [SimSpace Attack Catalog vs Hack The Box Cyber Readiness Platform](https://cybersectools.com/compare/hack-the-box-cyber-readiness-platform-vs-simspace-attack-catalog)
- [SimSpace Attack Catalog vs Hack The Box for Purple Teams](https://cybersectools.com/compare/hack-the-box-for-purple-teams-vs-simspace-attack-catalog)

## Alternatives to each

- [See all SentinelTestbed alternatives](https://cybersectools.com/alternatives/sentineltestbed)
- [See all SimSpace Attack Catalog alternatives](https://cybersectools.com/alternatives/simspace-attack-catalog)

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Source: https://cybersectools.com/compare/sentineltestbed-vs-simspace-attack-catalog

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/sentineltestbed.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on SentinelTestbed and SimSpace Attack Catalog: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md