# HackThisSite vs OffSec Proving Grounds: side-by-side comparison (2026)

[HackThisSite](https://cybersectools.com/tools/hack-this-site) is a free [cyber range training](https://cybersectools.com/categories/cyber-range) solution. [OffSec Proving Grounds](https://cybersectools.com/tools/offsec-proving-grounds) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [OffSec](https://cybersectools.com/companies/offsec). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | HackThisSite | OffSec Proving Grounds |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Cyber Range Training | Cyber Range Training |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB | Startup, SMB, Mid-Market, Enterprise |
| Company | – | OffSec |
| Headquarters | – | – |

### Use cases and capabilities

| | HackThisSite | OffSec Proving Grounds |
|---|---|---|
| CTF | Yes | Yes |
| Wargames | Yes | – |
| Education | Yes | Yes |
| Steganography | Yes | – |
| Web Security | Yes | – |
| Online Learning | Yes | Yes |
| Open Source | Yes | – |
| Penetration Testing Framework | – | Yes |
| Lab | – | Yes |
| Vulnerable Applications | – | Yes |
| Windows | – | Yes |
| Linux | – | Yes |
| Reconnaissance | – | Yes |
| Exploitation Framework | – | Yes |

### Core features

**HackThisSite**

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

**OffSec Proving Grounds**

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

### Integrations

**HackThisSite**

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

**OffSec Proving Grounds**

3 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.

- [HackThisSite](https://cybersectools.com/tools/hack-this-site) fits if you need a free product.
- [OffSec Proving Grounds](https://cybersectools.com/tools/offsec-proving-grounds) fits if you are a mid-market company or an enterprise.

## HackThisSite vs OffSec Proving Grounds FAQ

Common questions when comparing HackThisSite vs OffSec Proving Grounds for cyber range training.

### What is the difference between HackThisSite and OffSec Proving Grounds?

**HackThisSite**: Free legal platform for practicing ethical hacking via CTF-style challenges.

**OffSec Proving Grounds**: Online lab platform offering hands-on penetration testing practice machines for OSCP prep. Built by OffSec.

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

### Is HackThisSite a good alternative to OffSec Proving Grounds?

Often, yes. HackThisSite and OffSec Proving Grounds are both Cyber Range Training products, and both cover CTF, Education, Online Learning. Key differences: HackThisSite is Free while OffSec Proving Grounds is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [HackThisSite vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-hack-this-site)
- [HackThisSite vs ACI Learning Skill Labs](https://cybersectools.com/compare/aci-learning-skill-labs-vs-hack-this-site)
- [HackThisSite vs Hack The Box Hacking Labs](https://cybersectools.com/compare/hack-the-box-hacking-labs-vs-hack-this-site)
- [OffSec Proving Grounds vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-offsec-proving-grounds)
- [OffSec Proving Grounds vs ACI Learning Skill Labs](https://cybersectools.com/compare/aci-learning-skill-labs-vs-offsec-proving-grounds)
- [OffSec Proving Grounds vs Hack The Box Hacking Labs](https://cybersectools.com/compare/hack-the-box-hacking-labs-vs-offsec-proving-grounds)

## Alternatives to each

- [See all HackThisSite alternatives](https://cybersectools.com/alternatives/hack-this-site)
- [See all OffSec Proving Grounds alternatives](https://cybersectools.com/alternatives/offsec-proving-grounds)

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Source: https://cybersectools.com/compare/hack-this-site-vs-offsec-proving-grounds

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

More on HackThisSite and OffSec Proving Grounds: 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