HackThisSite vs OffSec Proving Grounds: side-by-side comparison (2026)
HackThisSite is a free cyber range training solution. OffSec Proving Grounds is a commercial cyber range training solution by OffSec. Features, integrations, deployment and the company behind each one, side by side.
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Free legal platform for practicing ethical hacking via CTF-style challenges.
Online lab platform offering hands-on penetration testing practice machines for OSCP prep
Side-by-side comparison
Feature
HackThisSite
OffSec Proving Grounds
Pricing model
Free
Commercial
Category
Cyber Range Training
Cyber Range Training
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
Startup, SMB
Startup, SMB, Mid-Market, Enterprise
Company
Company
–
OffSec
Use cases and capabilities
CTF
Yes
Yes
Wargames
Yes
No
Education
Yes
Yes
Steganography
Yes
No
Web Security
Yes
No
Online Learning
Yes
Yes
Open Source
Yes
No
Penetration Testing Framework
No
Yes
Lab
No
Yes
Vulnerable Applications
No
Yes
Windows
No
Yes
Linux
No
Yes
Reconnaissance
No
Yes
Exploitation Framework
No
Yes
Core features
10 features listed
10 features listed
Integrations
3 integrations listed
3 integrations listed
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