CTFd vs OffSec Proving Grounds: Side-by-Side Comparison (2026)

CTFd: CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities..

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

Both serve the Cyber Range Training market but differ in approach, feature depth, and target audience.

CTFd is open-source with 6,569 GitHub stars. OffSec Proving Grounds is developed by OffSec. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

CTFd and OffSec Proving Grounds serve similar Cyber Range Training use cases: both are Cyber Range Training tools, both cover CTF, Education. Key differences: CTFd is Free while OffSec Proving Grounds is Commercial, CTFd is open-source. Review the feature comparison above to determine which fits your requirements.