# ShadowServer vs StalkPhish.io: side-by-side comparison (2026)

[ShadowServer](https://cybersectools.com/tools/shadowserver) is a free [threat intel platforms](https://cybersectools.com/categories/tip) solution. [StalkPhish.io](https://cybersectools.com/tools/stalkphishio) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [StalkPhish](https://cybersectools.com/companies/stalkphish). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms) picks Recorded Future Threat Intelligence, Google Threat Intelligence, CrowdStrike Falcon Adversary Intelligence and 4 more.

## Side-by-side comparison

| | ShadowServer | StalkPhish.io |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Threat Intel Platforms | Threat Intel Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | – | StalkPhish |
| Headquarters | – | – |

### Use cases and capabilities

| | ShadowServer | StalkPhish.io |
|---|---|---|
| DDoS | Yes | – |
| Threat Feed | Yes | Yes |
| OSINT | – | Yes |
| Cyber Threat Intelligence | – | Yes |
| Fraud Detection | – | Yes |
| URL Scanning | – | Yes |
| Threat Analysis | – | Yes |
| REST API | – | Yes |
| Open Source | – | Yes |
| Threat Actors | – | Yes |
| Remote Access | – | Yes |

### Core features

**ShadowServer**

No features listed.

**StalkPhish.io**

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

### Integrations

**ShadowServer**

No integrations listed.

**StalkPhish.io**

2 integrations 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.

- [ShadowServer](https://cybersectools.com/tools/shadowserver) fits if you are a startup and you need a free product.

## ShadowServer vs StalkPhish.io FAQ

Common questions when comparing ShadowServer vs StalkPhish.io for threat intel platforms.

### What is the difference between ShadowServer and StalkPhish.io?

**ShadowServer**: A nonprofit security organization that collects and shares threat data to make the Internet more secure.

**StalkPhish.io**: Phishing threat intel platform detecting phishing URLs, kits & brand impersonation, built by StalkPhish.

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

### Is ShadowServer a good alternative to StalkPhish.io?

Often, yes. ShadowServer and StalkPhish.io are both Threat Intel Platforms products, and both cover Threat Feed. Key differences: ShadowServer is Free while StalkPhish.io is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [ShadowServer vs Cypho](https://cybersectools.com/compare/cypho-vs-shadowserver)
- [ShadowServer vs koat Platform](https://cybersectools.com/compare/koat-platform-vs-shadowserver)
- [ShadowServer vs Provenance Cyber Security Solutions](https://cybersectools.com/compare/provenance-cyber-security-solutions-vs-shadowserver)
- [StalkPhish.io vs Cypho](https://cybersectools.com/compare/cypho-vs-stalkphishio)
- [StalkPhish.io vs koat Platform](https://cybersectools.com/compare/koat-platform-vs-stalkphishio)
- [StalkPhish.io vs Provenance Cyber Security Solutions](https://cybersectools.com/compare/provenance-cyber-security-solutions-vs-stalkphishio)

## Alternatives to each

- [See all ShadowServer alternatives](https://cybersectools.com/alternatives/shadowserver)
- [See all StalkPhish.io alternatives](https://cybersectools.com/alternatives/stalkphishio)

---

Source: https://cybersectools.com/compare/shadowserver-vs-stalkphishio

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

More on ShadowServer and StalkPhish.io: 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