# Gatekeeper vs SkyCloud Anti-DDoS: side-by-side comparison (2026)

[Gatekeeper](https://cybersectools.com/tools/gatekeeper) is a free [DDoS mitigation](https://cybersectools.com/categories/ddos-mitigation) solution. [SkyCloud Anti-DDoS](https://cybersectools.com/tools/skycloud-anti-ddos) is a commercial [DDoS mitigation](https://cybersectools.com/categories/ddos-mitigation) solution by [SkyCloud](https://cybersectools.com/companies/skycloud). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Gatekeeper | SkyCloud Anti-DDoS |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | DDoS Mitigation | DDoS Mitigation |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | 1,591 | – |
| Last commit | Nov 2025 | – |
| Company | – | SkyCloud |
| Headquarters | – | – |

### Use cases and capabilities

| | Gatekeeper | SkyCloud Anti-DDoS |
|---|---|---|
| DDoS | Yes | Yes |
| Open Source | Yes | – |
| Network Monitoring | Yes | Yes |
| Attack Detection | Yes | Yes |
| Traffic Filtering | Yes | Yes |
| Network Protection | Yes | Yes |
| Mitigation | Yes | Yes |
| Critical Infrastructure | – | Yes |
| Network Visibility | – | Yes |

### Core features

**Gatekeeper**

No features listed.

**SkyCloud Anti-DDoS**

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

### Integrations

**Gatekeeper**

No integrations listed.

**SkyCloud Anti-DDoS**

1 integration 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.

- [Gatekeeper](https://cybersectools.com/tools/gatekeeper) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [SkyCloud Anti-DDoS](https://cybersectools.com/tools/skycloud-anti-ddos) fits if you want a cloud product.

## Gatekeeper vs SkyCloud Anti-DDoS FAQ

Common questions when comparing Gatekeeper vs SkyCloud Anti-DDoS for DDoS mitigation.

### What is the difference between Gatekeeper and SkyCloud Anti-DDoS?

**Gatekeeper**: An open source DDoS protection system that uses distributed algorithms to defend against multi-vector attacks and scale to handle varying bandwidth requirements for network operators and service providers.

**SkyCloud Anti-DDoS**: Enterprise DDoS mitigation service with 24/7 monitoring and 3-layer traffic scrubbing. Built by SkyCloud.

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

### Who makes Gatekeeper and SkyCloud Anti-DDoS?

**Gatekeeper** is open-source with 1,591 GitHub stars. **SkyCloud Anti-DDoS** is made by SkyCloud. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Gatekeeper a good alternative to SkyCloud Anti-DDoS?

Often, yes. Gatekeeper and SkyCloud Anti-DDoS are both DDoS Mitigation products, and both cover DDoS, Network Monitoring, Traffic Filtering. Key differences: Gatekeeper is Free while SkyCloud Anti-DDoS is Commercial, Gatekeeper is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Gatekeeper vs Blindspot Intelligent Network & Infra Protection](https://cybersectools.com/compare/blindspot-intelligent-network-and-infra-protection-vs-gatekeeper)
- [Gatekeeper vs Akamai Prolexic](https://cybersectools.com/compare/akamai-prolexic-vs-gatekeeper)
- [Gatekeeper vs Infoblox DNS Infrastructure Protection](https://cybersectools.com/compare/gatekeeper-vs-infoblox-dns-infrastructure-protection)
- [SkyCloud Anti-DDoS vs Blindspot Intelligent Network & Infra Protection](https://cybersectools.com/compare/blindspot-intelligent-network-and-infra-protection-vs-skycloud-anti-ddos)
- [SkyCloud Anti-DDoS vs Akamai Prolexic](https://cybersectools.com/compare/akamai-prolexic-vs-skycloud-anti-ddos)
- [SkyCloud Anti-DDoS vs Infoblox DNS Infrastructure Protection](https://cybersectools.com/compare/infoblox-dns-infrastructure-protection-vs-skycloud-anti-ddos)

## Alternatives to each

- [See all Gatekeeper alternatives](https://cybersectools.com/alternatives/gatekeeper)
- [See all SkyCloud Anti-DDoS alternatives](https://cybersectools.com/alternatives/skycloud-anti-ddos)

---

Source: https://cybersectools.com/compare/gatekeeper-vs-skycloud-anti-ddos

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

More on Gatekeeper and SkyCloud Anti-DDoS: 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