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

[Tcpreplay](https://cybersectools.com/tools/tcpreplay-1) 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

| | Tcpreplay | XBOW Lightspeed |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | 1,308 | – |
| Last commit | Aug 2025 | – |
| Company | – | XBOW |
| Headquarters | – | – |

### Use cases and capabilities

| | Tcpreplay | XBOW Lightspeed |
|---|---|---|
| Network Testing | Yes | – |
| Packet Capture | Yes | – |
| Exploit Development | – | Yes |

### Core features

**Tcpreplay**

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.

- [Tcpreplay](https://cybersectools.com/tools/tcpreplay-1) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [XBOW Lightspeed](https://cybersectools.com/tools/xbow-lightspeed) fits if you want a cloud product and you are a startup.

## Tcpreplay vs XBOW Lightspeed FAQ

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

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

**Tcpreplay**: Tcpreplay is a network traffic editing and replay tool used for testing network devices and applications.

**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 Tcpreplay and XBOW Lightspeed?

**Tcpreplay** is open-source with 1,308 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 Tcpreplay a good alternative to XBOW Lightspeed?

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

## Related comparisons

- [Tcpreplay vs XBOW Captcha Bypass Tool](https://cybersectools.com/compare/tcpreplay-1-vs-xbow-captcha-bypass-tool)
- [Tcpreplay vs Novee AI Pentesting](https://cybersectools.com/compare/novee-ai-pentesting-vs-tcpreplay-1)
- [Tcpreplay vs Blindspot DDoS Resilience Testing](https://cybersectools.com/compare/blindspot-ddos-resilience-testing-vs-tcpreplay-1)
- [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 Blindspot DDoS Resilience Testing](https://cybersectools.com/compare/blindspot-ddos-resilience-testing-vs-xbow-lightspeed)

## Alternatives to each

- [See all Tcpreplay alternatives](https://cybersectools.com/alternatives/tcpreplay-1)
- [See all XBOW Lightspeed alternatives](https://cybersectools.com/alternatives/xbow-lightspeed)

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Source: https://cybersectools.com/compare/tcpreplay-1-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/tcpreplay-1.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Tcpreplay 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