# gaussrf vs XBOW Lightspeed: side-by-side comparison (2026)

[gaussrf](https://cybersectools.com/tools/gaussrf) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. [XBOW Lightspeed](https://cybersectools.com/tools/xbow-lightspeed) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [XBOW](https://cybersectools.com/companies/xbow). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | gaussrf | XBOW Lightspeed |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | 171 | – |
| Last commit | Nov 2020 | – |
| Company | – | XBOW |
| Headquarters | – | – |

### Use cases and capabilities

| | gaussrf | XBOW Lightspeed |
|---|---|---|
| URL Filtering | Yes | – |
| SSRF | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| Exploit Development | – | Yes |

### Core features

**gaussrf**

No features listed.

**XBOW Lightspeed**

9 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.

- [gaussrf](https://cybersectools.com/tools/gaussrf) fits if you need a free product and you want an open-source product.

## gaussrf vs XBOW Lightspeed FAQ

Common questions when comparing gaussrf vs XBOW Lightspeed for penetration testing.

### What is the difference between gaussrf and XBOW Lightspeed?

**gaussrf**: A tool for identifying potential security threats by fetching known URLs and filtering out URLs with open redirection or SSRF parameters.

**XBOW Lightspeed**: Autonomous web app pentesting platform with exploit validation. Built by XBOW.

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

### Who makes gaussrf and XBOW Lightspeed?

**gaussrf** is open-source with 171 GitHub stars. **XBOW Lightspeed** is made by XBOW. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is gaussrf a good alternative to XBOW Lightspeed?

Often, yes. gaussrf and XBOW Lightspeed are both Penetration Testing products. Key differences: gaussrf is Free while XBOW Lightspeed is Commercial, gaussrf is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [gaussrf vs XBOW Captcha Bypass Tool](https://cybersectools.com/compare/gaussrf-vs-xbow-captcha-bypass-tool)
- [gaussrf vs Novee AI Pentesting](https://cybersectools.com/compare/gaussrf-vs-novee-ai-pentesting)
- [gaussrf vs KinoSec Zeus](https://cybersectools.com/compare/gaussrf-vs-kinosec-zeus)
- [XBOW Lightspeed vs XBOW Captcha Bypass Tool](https://cybersectools.com/compare/xbow-captcha-bypass-tool-vs-xbow-lightspeed)
- [XBOW Lightspeed vs Novee AI Pentesting](https://cybersectools.com/compare/novee-ai-pentesting-vs-xbow-lightspeed)
- [XBOW Lightspeed vs KinoSec Zeus](https://cybersectools.com/compare/kinosec-zeus-vs-xbow-lightspeed)

## Alternatives to each

- [See all gaussrf alternatives](https://cybersectools.com/alternatives/gaussrf)
- [See all XBOW Lightspeed alternatives](https://cybersectools.com/alternatives/xbow-lightspeed)

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Source: https://cybersectools.com/compare/gaussrf-vs-xbow-lightspeed

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

More on gaussrf and XBOW Lightspeed: 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