# AppLocker Guidance vs OnSystem Logic OnSystem Defender: side-by-side comparison (2026)

[AppLocker Guidance](https://cybersectools.com/tools/applocker-guidance) is a free [endpoint protection platform](https://cybersectools.com/categories/epp) solution. [OnSystem Logic OnSystem Defender](https://cybersectools.com/tools/onsystem-logic-onsystem-defender) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [OnSystem Logic](https://cybersectools.com/companies/onsystem-logic). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | AppLocker Guidance | OnSystem Logic OnSystem Defender |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Endpoint Protection Platform | Endpoint Protection Platform |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 232 | – |
| Last commit | Oct 2025 | – |
| Company | – | OnSystem Logic |
| Headquarters | – | – |

### Use cases and capabilities

| | AppLocker Guidance | OnSystem Logic OnSystem Defender |
|---|---|---|
| AppLocker | Yes | – |
| Security Hardening | Yes | Yes |
| Configuration Management | Yes | – |
| Policy | Yes | – |
| Windows | Yes | Yes |
| Windows Security | Yes | Yes |
| Whitelist | Yes | Yes |
| Active Directory | Yes | – |
| Ransomware Prevention | – | Yes |
| Zero Day | – | Yes |
| App Security | – | Yes |
| Software Supply Chain | – | Yes |
| Runtime Security | – | Yes |
| Anomaly Detection | – | Yes |

### Core features

**AppLocker Guidance**

No features listed.

**OnSystem Logic OnSystem Defender**

8 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.

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

## AppLocker Guidance vs OnSystem Logic OnSystem Defender FAQ

Common questions when comparing AppLocker Guidance vs OnSystem Logic OnSystem Defender for endpoint protection platform.

### What is the difference between AppLocker Guidance and OnSystem Logic OnSystem Defender?

**AppLocker Guidance**: A repository containing scripts and configuration files to help administrators implement Microsoft AppLocker for application whitelisting based on NSA security guidelines.

**OnSystem Logic OnSystem Defender**: Endpoint app control & memory protection to prevent malware execution on Windows. Built by OnSystem Logic.

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

### Who makes AppLocker Guidance and OnSystem Logic OnSystem Defender?

**AppLocker Guidance** is open-source with 232 GitHub stars. **OnSystem Logic OnSystem Defender** is made by OnSystem Logic. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is AppLocker Guidance a good alternative to OnSystem Logic OnSystem Defender?

Often, yes. AppLocker Guidance and OnSystem Logic OnSystem Defender are both Endpoint Protection Platform products, and both cover Whitelist, Windows, Windows Security. Key differences: AppLocker Guidance is Free while OnSystem Logic OnSystem Defender is Commercial, AppLocker Guidance is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [AppLocker Guidance vs QuellSecure Active Containment](https://cybersectools.com/compare/applocker-guidance-vs-quellsecure-active-containment)
- [AppLocker Guidance vs DataSecure RDR](https://cybersectools.com/compare/applocker-guidance-vs-datasecure-rdr)
- [AppLocker Guidance vs Bkav Pro](https://cybersectools.com/compare/applocker-guidance-vs-bkav-pro)
- [OnSystem Logic OnSystem Defender vs QuellSecure Active Containment](https://cybersectools.com/compare/onsystem-logic-onsystem-defender-vs-quellsecure-active-containment)
- [OnSystem Logic OnSystem Defender vs DataSecure RDR](https://cybersectools.com/compare/datasecure-rdr-vs-onsystem-logic-onsystem-defender)
- [OnSystem Logic OnSystem Defender vs Bkav Pro](https://cybersectools.com/compare/bkav-pro-vs-onsystem-logic-onsystem-defender)

## Alternatives to each

- [See all AppLocker Guidance alternatives](https://cybersectools.com/alternatives/applocker-guidance)
- [See all OnSystem Logic OnSystem Defender alternatives](https://cybersectools.com/alternatives/onsystem-logic-onsystem-defender)

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Source: https://cybersectools.com/compare/applocker-guidance-vs-onsystem-logic-onsystem-defender

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

More on AppLocker Guidance and OnSystem Logic OnSystem Defender: 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