Top picks: ThreatSims One Platform, SudoCyber, CTFGuide — plus 45 more compared.
Security OperationsCTFd is a free tool. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to CTFd, including their key features and shared capabilities.
Platform for hosting CTF contests and cybersecurity training events
Gamified cybersecurity training platform with hands-on labs and certifications
Social learning platform for CTF challenges, labs, and cybersecurity training.
A collection of vulnerable ARM binaries designed for educational exploit development and vulnerability research practice across different architectures and exploitation techniques.
Mellivora Mellivora is a PHP-based CTF engine that provides comprehensive competition hosting capabilities with challenge management, team scoring, and administrative tools for cybersecurity competitions.
CloudGoat is a vulnerable-by-design AWS deployment tool that creates intentionally insecure cloud environments for hands-on cybersecurity training through capture-the-flag scenarios.
NightShade is a Django-based capture the flag framework that enables organizations to create and manage cybersecurity competitions with support for multiple contest formats and multi-tenant architecture.
Haaukins is an automated virtualization platform that provides hands-on cybersecurity education through capture the flag exercises in controlled vulnerable environments.
Platform for hosting CTF contests and cybersecurity training events
Gamified cybersecurity training platform with hands-on labs and certifications
Social learning platform for CTF challenges, labs, and cybersecurity training.
A collection of vulnerable ARM binaries designed for educational exploit development and vulnerability research practice across different architectures and exploitation techniques.
Mellivora Mellivora is a PHP-based CTF engine that provides comprehensive competition hosting capabilities with challenge management, team scoring, and administrative tools for cybersecurity competitions.
CloudGoat is a vulnerable-by-design AWS deployment tool that creates intentionally insecure cloud environments for hands-on cybersecurity training through capture-the-flag scenarios.
NightShade is a Django-based capture the flag framework that enables organizations to create and manage cybersecurity competitions with support for multiple contest formats and multi-tenant architecture.
Haaukins is an automated virtualization platform that provides hands-on cybersecurity education through capture the flag exercises in controlled vulnerable environments.
A lightweight CTF platform with simple setup and difficulty-based scoring that removes timezone advantages from competitions.
A deliberately vulnerable ARM/ARM64 application with 14 different vulnerability levels designed for CTF-style exploitation training and education.
A Node.js CLI tool that automates the setup of CTF events using OWASP Juice Shop challenges across multiple CTF frameworks.
SecGen is an open-source framework that automatically generates vulnerable virtual machines and hacking challenges for cybersecurity education and penetration testing training.
echoCTF is a cybersecurity framework for running Capture the Flag competitions and training exercises on real IT infrastructure.
FBCTF is a platform for hosting Jeopardy and King of the Hill style Capture the Flag competitions with support for various scales and participation models.
HackTheArch is an open-source Ruby on Rails-based scoring server platform designed for hosting and managing Cyber Capture the Flag competitions with web-based problem management and hint systems.
A comprehensive collection of free online laboratories and platforms for practicing penetration testing, CTF challenges, and cybersecurity skills development.
Root the Box is a real-time CTF scoring engine that provides a configurable platform for cybersecurity training through gamified wargames and competitions.
A lightweight CTF platform inspired by motherfuckingwebsite.com that provides simple hosting capabilities for cybersecurity competitions with equal-point scoring and minimal setup requirements.
A security dataset and CTF platform available in full (16.4GB) and attack-only (3.2GB) versions, pre-indexed for Splunk to help security professionals practice analysis skills.
A pre-indexed Splunk security dataset and CTF platform that provides realistic security data for training, research, and educational purposes for cybersecurity professionals and students.
MemLabs provides CTF-styled memory forensics challenges designed to teach students and security researchers how to analyze memory dumps using tools like Volatility.
A collection of 20 cross-site scripting challenges covering various XSS attack vectors and filtering bypass techniques for educational purposes.
A collection of Return-Oriented Programming (ROP) challenges designed for practicing binary exploitation techniques and developing offensive security skills.
Hands-on cybersecurity training platform with gamified labs and challenges
Cyber range platform for finance & banking sector security training
OT cybersecurity training platform with hands-on simulations and digital twins
Mobile app for learning cybersecurity and blue team skills on smartphones
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.
An intentionally vulnerable web application containing multiple web service security flaws designed for educational purposes and security testing practice.
Hacker wargames site with forums and tutorials, fostering a learning community.
A distributed systems simulator that creates intentionally vulnerable Kubernetes clusters in AWS for security training and attack scenario practice.
MiniCPS is a framework for real-time Cyber-Physical Systems simulation that supports physical process and control device simulation along with network emulation capabilities.
Hosted platform for practicing AI red teaming via CTF-style challenges.
AHHHZURE is an automated deployment script that creates vulnerable Azure cloud lab environments for offensive security training and cloud penetration testing practice.
A hands-on cybersecurity laboratory environment for Gray Hat Hacking Chapter 29 that creates virtualized Docker and Kali Linux machines using Terraform for practical security training exercises.
OWASP Hackademic Challenges is an educational web platform offering 10 realistic vulnerability scenarios for learning information security concepts through hands-on exploitation in a controlled environment.
A modular, cross-platform framework for creating repeatable, time-delayed security events and scenarios for Blue Team training and Red Team operations.
DetectionLab is a pre-configured Windows domain environment with security tooling and logging designed for cybersecurity training and detection capability development.
DVXTE is a Docker-based training platform containing multiple vulnerable applications designed for cybersecurity education and skill development.
A deliberately vulnerable PHP/MySQL web application designed for security training, testing, and educational purposes in controlled environments.
Common questions security professionals ask when evaluating alternatives and competitors to CTFd.
The most popular alternatives to CTFd include ThreatSims One Platform, SudoCyber, CTFGuide, Exploit-Challenges, and Mellivora. These Cyber Range Training tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
