The product
CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities.
The closest CTFd alternatives are SudoCyber, GemForge Labs and MetaCTF Cloud Labs / Cloud Ranges. Picking a CTFd alternative comes down to fit: Cyber Range Training coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
Closest 48 alternatives shownClosest matches: SudoCyber, GemForge Labs, MetaCTF Cloud Labs / Cloud RangesPage updated Nov 2026
The product
CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities.
CTFd is a free Cyber Range Training solution. The closest matches by shared tags and NIST CSF 2.0 coverage are SudoCyber, GemForge Labs, MetaCTF Cloud Labs / Cloud Ranges, OffSec Proving Grounds, and IronCircle Cybersecurity Training Platform. All 48 alternatives on this page are ranked the same way.
These 8 solutions overlap most with CTFd. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Gamified cybersecurity training platform with hands-on labs and certifications
Key features: 10 listed. See them on the SudoCyber page.
Subscription-based cybersecurity lab platform with hands-on hackable instances.
Key features: 10 listed. See them on the GemForge Labs page.
View GemForge LabsGemForge Labs alternativesCTFd vs GemForge Labs
Cloud-based, team-based hands-on cybersecurity training labs simulating real networks
Key features: 7 listed. See them on the MetaCTF Cloud Labs / Cloud Ranges page.
View MetaCTF Cloud Labs / Cloud RangesMetaCTF Cloud Labs / Cloud Ranges alternativesCTFd vs MetaCTF Cloud Labs / Cloud Ranges
Online lab platform offering hands-on penetration testing practice machines for OSCP prep
Key features: 10 listed. See them on the OffSec Proving Grounds page.
View OffSec Proving GroundsOffSec Proving Grounds alternativesCTFd vs OffSec Proving Grounds
AI-powered browser-based cybersecurity training platform with labs and certs
Key features: 10 listed. See them on the IronCircle Cybersecurity Training Platform page.
View IronCircle Cybersecurity Training PlatformIronCircle Cybersecurity Training Platform alternativesCTFd vs IronCircle Cybersecurity Training Platform
Hands-on cybersecurity training platform with gamified labs and challenges
Key features: 10 listed. See them on the TryHackMe Cyber Security Training page.
View TryHackMe Cyber Security TrainingTryHackMe Cyber Security Training alternativesCTFd vs TryHackMe Cyber Security Training
Online platform offering 700+ hands-on web security exercises and training
Key features: 10 listed. See them on the PentesterLab PRO page.
View PentesterLab PROPentesterLab PRO alternativesCTFd vs PentesterLab PRO
Cyber range platform for finance & banking sector security training
Key features: 6 listed. See them on the Cybexer Cyber Ranges for Finance and Banking page.
View Cybexer Cyber Ranges for Finance and BankingCybexer Cyber Ranges for Finance and Banking alternativesCTFd vs Cybexer Cyber Ranges for Finance and Banking
Gamified cybersecurity training platform with hands-on labs and certifications
Subscription-based cybersecurity lab platform with hands-on hackable instances.
Cloud-based, team-based hands-on cybersecurity training labs simulating real networks
Online lab platform offering hands-on penetration testing practice machines for OSCP prep
AI-powered browser-based cybersecurity training platform with labs and certs
Hands-on cybersecurity training platform with gamified labs and challenges
Online platform offering 700+ hands-on web security exercises and training
Cyber range platform for finance & banking sector security training
OT cybersecurity training platform with hands-on simulations and digital twins
Virtual hands-on IT & cybersecurity lab platform for academic programs.
Enterprise platform for cybersecurity workforce training via hands-on labs & CTFs.
Enterprise platform for cybersecurity team training, labs, and skill gap assessment.
Hands-on red team training platform with labs, cyber ranges, and CTF assessments.
Gamified CTF platform for hosting cybersecurity team assessments and training.
Virtual hacking labs platform with 1,720+ hands-on cybersecurity challenges.
Hands-on blue team training platform for SOC, DFIR, and threat intel roles.
Platform for building custom game-based cybersecurity training scenarios.
Web-based cyber hacking defense training platform with CTF-style exercises.
Cybersecurity training platform for IT pros covering labs, CTFs, and certs.
Cyber defense training platforms & OT security solutions for critical infrastructure.
Cyber range platform for training, testing, and validating security controls.
AI-driven tabletop exercise platform for cyber crisis simulation training
Cyber range platform for training, testing, and validating security readiness
Catalog of simulated attack scenarios for cyber defense training and validation
Gamified cyber range workshops for security product demos and training
Platform for operational cyber readiness training and exercises
Cyber range platform for hands-on cybersecurity training and simulation
Integrated platform for cyber operations talent mgmt, training & assessment
Cloud-based cyber range platform for team-based security training and drills
NATO-awarded cyber range platform for training, testing, and validation
Hands-on cyber range platform for security skills training and assessment
On-demand cybersecurity readiness exercises and tabletops for incident response
SOC analyst training platform using live-fire exercises in production systems
SOC analyst skill assessment platform using real-world cyber incident challenges
Hands-on SOC training platform for blue team skill development
Gamified, live-data cyber skills training & crowdsourcing platform.
Cloud-hosted cyber range platform for SOC & IR team live-fire simulation training.
Cloud-native, AI-powered cyber range platform for cybersecurity training.
Enterprise cyber resilience platform with hands-on labs mapped to MITRE & NIST.
Platform for validating security team readiness via threat emulation & purple-team ranges.
Cyber range platform for purple team training, APT emulation & detection.
Game-based cybersecurity training platform with simulated Linux environment.
Hands-on cloud security training labs for AWS, Azure, and Sentinel teams.
Cyber range platform for simulating real-world attacks in risk-free environments.
Cyber readiness platform for drills, simulations, training, and reporting.
Common questions when weighing alternatives to CTFd.
The closest matches to CTFd by shared tags and NIST CSF 2.0 coverage are SudoCyber, GemForge Labs, MetaCTF Cloud Labs / Cloud Ranges, OffSec Proving Grounds, and IronCircle Cybersecurity Training Platform. All of them are Cyber Range Training products.
This page shows 48 alternatives to CTFd, all in the Cyber Range Training category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
CTFd is a free Cyber Range Training product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
CTFd is a Cyber Range Training product in the Human Risk category. You can compare it with the 48 other Cyber Range Training products on this page.
No Cyber Range Training shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist
