# findom-xss vs Fortra BeSTORM: side-by-side comparison (2026)

[findom-xss](https://cybersectools.com/tools/findom-xss) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Fortra](https://cybersectools.com/companies/fortra). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more.

## Side-by-side comparison

| | findom-xss | Fortra BeSTORM |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Dynamic Application Security Testing | Dynamic Application Security Testing |
| Verified | No | Verified |
| Deployment type | On-Premises | Hybrid |
| Company size fit | Startup, SMB | Mid-Market, Enterprise |
| GitHub stars | 818 | – |
| Last commit | Mar 2022 | – |
| Company | – | Fortra |
| Headquarters | – | – |

### Use cases and capabilities

| | findom-xss | Fortra BeSTORM |
|---|---|---|
| Scanner | Yes | – |
| Vulnerability | Yes | – |
| XSS | Yes | – |
| DAST | – | Yes |
| Fuzzing | – | Yes |
| Black Box Testing | – | Yes |
| Protocol Analysis | – | Yes |
| Critical Infrastructure | – | Yes |

### Core features

**findom-xss**

No features listed.

**Fortra BeSTORM**

- Black box fuzzing without source code access
- Automated malformed input generation and injection
- Protocol and API security testing
- Vulnerability detection including buffer overflows and format string errors
- Support for a wide range of protocols and application interfaces
- Pre-release application security validation

## Which one fits you

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

- [findom-xss](https://cybersectools.com/tools/findom-xss) fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
- [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm) fits if you need both cloud and on-premises options and you are a mid-market company or an enterprise.

## findom-xss vs Fortra BeSTORM FAQ

Common questions when comparing findom-xss vs Fortra BeSTORM for dynamic application security testing.

### What is the difference between findom-xss and Fortra BeSTORM?

**findom-xss**: A fast and simple DOM based XSS vulnerability scanner.

**Fortra BeSTORM**: Black box fuzzer and DAST product for application security testing. Built by Fortra. Core capabilities include Black box fuzzing without source code access, Automated malformed input generation and injection, Protocol and API security testing.

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

### Who makes findom-xss and Fortra BeSTORM?

**findom-xss** is open-source with 818 GitHub stars. **Fortra BeSTORM** is made by Fortra. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is findom-xss a good alternative to Fortra BeSTORM?

Often, yes. findom-xss and Fortra BeSTORM are both Dynamic Application Security Testing products. Key differences: findom-xss is Free while Fortra BeSTORM is Commercial, findom-xss is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [findom-xss vs Rapid7 InsightAppSec](https://cybersectools.com/compare/findom-xss-vs-rapid7-insightappsec)
- [findom-xss vs DerScanner Dynamic Application Security Testing (DAST)](https://cybersectools.com/compare/derscanner-dynamic-application-security-testing-dast-vs-findom-xss)
- [findom-xss vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-findom-xss)
- [Fortra BeSTORM vs Rapid7 InsightAppSec](https://cybersectools.com/compare/fortra-bestorm-vs-rapid7-insightappsec)
- [Fortra BeSTORM vs DerScanner Dynamic Application Security Testing (DAST)](https://cybersectools.com/compare/derscanner-dynamic-application-security-testing-dast-vs-fortra-bestorm)
- [Fortra BeSTORM vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-fortra-bestorm)

## Alternatives to each

- [See all findom-xss alternatives](https://cybersectools.com/alternatives/findom-xss)
- [See all Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm)

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Source: https://cybersectools.com/compare/findom-xss-vs-fortra-bestorm

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

More on findom-xss and Fortra BeSTORM: 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