# buSandBox vs ILSpy: side-by-side comparison (2026)

[buSandBox](https://cybersectools.com/tools/busandbox) is a commercial [malware analysis](https://cybersectools.com/categories/malware-analysis) solution by [B.U. Creative](https://cybersectools.com/companies/bu-creative). [ILSpy](https://cybersectools.com/tools/ilspy) is a free [malware analysis](https://cybersectools.com/categories/malware-analysis) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | buSandBox | ILSpy |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Malware Analysis | Malware Analysis |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 24,766 |
| Last commit | – | Mar 2026 |
| Company | B.U. Creative | – |
| Headquarters | – | – |

### Use cases and capabilities

| | buSandBox | ILSpy |
|---|---|---|
| Sandbox | Yes | – |
| Dynamic Analysis | Yes | – |
| Reverse Engineering | Yes | – |
| IOC | Yes | – |
| Blue Team | Yes | – |
| Red Team | Yes | – |
| Binary Analysis | – | Yes |

### Core features

**buSandBox**

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

**ILSpy**

No features listed.

## Which one fits you

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

- [ILSpy](https://cybersectools.com/tools/ilspy) fits if you are a startup or a small business, you need a free product and you want an open-source product.

## buSandBox vs ILSpy FAQ

Common questions when comparing buSandBox vs ILSpy for malware analysis.

### What is the difference between buSandBox and ILSpy?

**buSandBox**: Proprietary sandbox for enterprise malware & payload behavioral analysis. Built by B.U. Creative.

**ILSpy**: ILSpy is the open-source .NET assembly browser and decompiler with various decompiler frontends and features.

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

### Who makes buSandBox and ILSpy?

**buSandBox** is made by B.U. Creative. **ILSpy** is open-source with 24,766 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is buSandBox a good alternative to ILSpy?

Often, yes. buSandBox and ILSpy are both Malware Analysis products. Key differences: buSandBox is Commercial while ILSpy is Free, ILSpy is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [buSandBox vs Joe Security Joe Reverser](https://cybersectools.com/compare/busandbox-vs-joe-security-joe-reverser)
- [buSandBox vs Reverse Engineering & Malware Analysis](https://cybersectools.com/compare/busandbox-vs-reverse-engineering-and-malware-analysis)
- [buSandBox vs ANY.RUN](https://cybersectools.com/compare/anyrun-vs-busandbox)
- [ILSpy vs Joe Security Joe Reverser](https://cybersectools.com/compare/ilspy-vs-joe-security-joe-reverser)
- [ILSpy vs Reverse Engineering & Malware Analysis](https://cybersectools.com/compare/ilspy-vs-reverse-engineering-and-malware-analysis)
- [ILSpy vs ANY.RUN](https://cybersectools.com/compare/anyrun-vs-ilspy)

## Alternatives to each

- [See all buSandBox alternatives](https://cybersectools.com/alternatives/busandbox)
- [See all ILSpy alternatives](https://cybersectools.com/alternatives/ilspy)

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Source: https://cybersectools.com/compare/busandbox-vs-ilspy

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

More on buSandBox and ILSpy: 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