# Build Application Firewall (BAF) vs Preflight: side-by-side comparison (2026)

[Build Application Firewall (BAF)](https://cybersectools.com/tools/build-application-firewall-baf) is a commercial [software supply chain security](https://cybersectools.com/categories/software-supply-chain-security) solution by [InvisiRisk](https://cybersectools.com/companies/invisirisk). [Preflight](https://cybersectools.com/tools/preflight) is a free [software supply chain security](https://cybersectools.com/categories/software-supply-chain-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Build Application Firewall (BAF) | Preflight |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Software Supply Chain Security | Software Supply Chain Security |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | – | 155 |
| Last commit | – | Nov 2022 |
| Company | InvisiRisk | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Build Application Firewall (BAF) | Preflight |
|---|---|---|
| CI/CD | Yes | – |
| DevSecOps | Yes | Yes |
| Software Supply Chain | Yes | – |
| Supply Chain Security | Yes | Yes |
| Data Exfiltration | Yes | – |
| Secret Detection | Yes | – |
| Dependency Scanning | Yes | – |
| Policy | Yes | – |
| Proxy | Yes | – |
| WAF | Yes | – |
| Open Source | – | Yes |
| Security Tools | – | Yes |

### Core features

**Build Application Firewall (BAF)**

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

**Preflight**

No features listed.

### Integrations

**Build Application Firewall (BAF)**

5 integrations listed. Sign in on the page to see them.

**Preflight**

No integrations listed.

## Which one fits you

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

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

## Build Application Firewall (BAF) vs Preflight FAQ

Common questions when comparing Build Application Firewall (BAF) vs Preflight for software supply chain security.

### What is the difference between Build Application Firewall (BAF) and Preflight?

**Build Application Firewall (BAF)**: Real-time firewall that monitors and enforces security policy in CI/CD pipelines. Built by InvisiRisk.

**Preflight**: Preflight is a Go-based verification tool that helps organizations validate scripts and executables to prevent supply chain attacks by enabling secure self-compilation and trusted distribution methods.

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

### Who makes Build Application Firewall (BAF) and Preflight?

**Build Application Firewall (BAF)** is made by InvisiRisk. **Preflight** is open-source with 155 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Build Application Firewall (BAF) a good alternative to Preflight?

Often, yes. Build Application Firewall (BAF) and Preflight are both Software Supply Chain Security products, and both cover DevSecOps, Supply Chain Security. Key differences: Build Application Firewall (BAF) is Commercial while Preflight is Free, Preflight is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Build Application Firewall (BAF) vs Varnish Artifact Firewall](https://cybersectools.com/compare/build-application-firewall-baf-vs-varnish-artifact-firewall)
- [Build Application Firewall (BAF) vs EdgeBit](https://cybersectools.com/compare/build-application-firewall-baf-vs-edgebit)
- [Build Application Firewall (BAF) vs InvisiRisk](https://cybersectools.com/compare/build-application-firewall-baf-vs-invisirisk)
- [Preflight vs Varnish Artifact Firewall](https://cybersectools.com/compare/preflight-vs-varnish-artifact-firewall)
- [Preflight vs EdgeBit](https://cybersectools.com/compare/edgebit-vs-preflight)
- [Preflight vs InvisiRisk](https://cybersectools.com/compare/invisirisk-vs-preflight)

## Alternatives to each

- [See all Build Application Firewall (BAF) alternatives](https://cybersectools.com/alternatives/build-application-firewall-baf)
- [See all Preflight alternatives](https://cybersectools.com/alternatives/preflight)

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Source: https://cybersectools.com/compare/build-application-firewall-baf-vs-preflight

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

More on Build Application Firewall (BAF) and Preflight: 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