# Burp Suite Professional vs postMessage-tracker: side-by-side comparison (2026)

[Burp Suite Professional](https://cybersectools.com/tools/burp-suite-professional) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [PortSwigger Ltd](https://cybersectools.com/companies/portswigger-ltd). [postMessage-tracker](https://cybersectools.com/tools/postmessage-tracker) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Burp Suite Professional | postMessage-tracker |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB |
| GitHub stars | – | 1,208 |
| Last commit | – | Nov 2023 |
| Company | PortSwigger Ltd. | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Burp Suite Professional | postMessage-tracker |
|---|---|---|
| Proxy | Yes | – |
| Scanner | Yes | – |
| Visualization | – | Yes |
| Browser Security | – | Yes |

## Which one fits you

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

- [Burp Suite Professional](https://cybersectools.com/tools/burp-suite-professional) fits if you need to run it on your own servers and you are a mid-market company or an enterprise.
- [postMessage-tracker](https://cybersectools.com/tools/postmessage-tracker) fits if you want a cloud product, you are a startup, you need a free product and you want an open-source product.

## Burp Suite Professional vs postMessage-tracker FAQ

Common questions when comparing Burp Suite Professional vs postMessage-tracker for penetration testing.

### What is the difference between Burp Suite Professional and postMessage-tracker?

**Burp Suite Professional**: A web application security testing platform that combines manual and automated testing tools for conducting comprehensive security assessments and penetration testing. Built by PortSwigger Ltd.

**postMessage-tracker**: Track postMessage usage with this Chrome Extension.

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

### Who makes Burp Suite Professional and postMessage-tracker?

**Burp Suite Professional** is made by PortSwigger Ltd. **postMessage-tracker** is open-source with 1,208 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Burp Suite Professional a good alternative to postMessage-tracker?

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

## Related comparisons

- [Burp Suite Professional vs Haryon Pentest Orchestration Platform](https://cybersectools.com/compare/burp-suite-professional-vs-haryon-pentest-orchestration-platform)
- [Burp Suite Professional vs Ampcus Agentic AI](https://cybersectools.com/compare/ampcus-agentic-ai-vs-burp-suite-professional)
- [Burp Suite Professional vs MindTheHack Platform](https://cybersectools.com/compare/burp-suite-professional-vs-mindthehack-platform)
- [postMessage-tracker vs Haryon Pentest Orchestration Platform](https://cybersectools.com/compare/haryon-pentest-orchestration-platform-vs-postmessage-tracker)
- [postMessage-tracker vs Ampcus Agentic AI](https://cybersectools.com/compare/ampcus-agentic-ai-vs-postmessage-tracker)
- [postMessage-tracker vs MindTheHack Platform](https://cybersectools.com/compare/mindthehack-platform-vs-postmessage-tracker)

## Alternatives to each

- [See all Burp Suite Professional alternatives](https://cybersectools.com/alternatives/burp-suite-professional)
- [See all postMessage-tracker alternatives](https://cybersectools.com/alternatives/postmessage-tracker)

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Source: https://cybersectools.com/compare/postmessage-tracker-vs-burp-suite-professional

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

More on Burp Suite Professional and postMessage-tracker: 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