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CTFd is a free Cyber Range Training tool. Security professionals most commonly compare it with . All 154 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.
InsecureBankv2 is an intentionally vulnerable Android application with a Python back-end server designed for educational purposes in mobile security testing and Android vulnerability research.
GRFICS is a Unity 3D-based framework that provides a virtual industrial control system environment for practicing ICS security attacks and defenses with visual feedback.
A deliberately vulnerable GraphQL application designed for security testing and educational purposes, containing multiple intentional flaws for learning GraphQL attack and defense techniques.
A Windows kernel driver intentionally designed with various vulnerabilities to help security researchers practice kernel exploitation techniques.
AzureGoat is a deliberately vulnerable Azure cloud infrastructure that incorporates OWASP Top 10 vulnerabilities and Azure service misconfigurations for security training and penetration testing practice.
A deliberately vulnerable web application that uses WebSocket communication to provide a training environment for learning about WebSocket-related security vulnerabilities.
A Terraform tool that creates intentionally misconfigured AWS infrastructure with 84 vulnerabilities across 22 services for security training and testing purposes.
BlueTeam.Lab provides Terraform and Ansible scripts to deploy an orchestrated detection laboratory for testing attacks and forensic artifacts in a SOC-like Windows environment.
Hackazon is a vulnerable web application storefront designed for security professionals to practice testing modern web technologies and identifying common vulnerabilities.
XVWA is an intentionally vulnerable PHP/MySQL web application designed for security education, containing multiple common web vulnerabilities for hands-on learning and practice.
An educational workshop providing hands-on training materials, lab environments, and tools for learning local privilege escalation techniques on Windows and Linux systems.
A deliberately vulnerable web application containing DOM-based XSS, CSRF, and other web vulnerabilities for security testing and educational purposes.
A deliberately vulnerable web application written in under 100 lines of Python code for educational purposes and web security testing.
An annual jeopardy-style capture-the-flag contest with challenges related to cybersecurity.
Platform for users to test cybersecurity skills by exploiting vulnerabilities.
A wargame composed of 27 levels, with files needed in /vortex/ directory.
A non-commercial wargame site offering pwn challenges related to system exploitation with different difficulty levels.
A free, safe, and legal training ground for ethical hackers to test and expand their skills
A free online wargame for practicing hacking skills and learning security concepts.
A live archive of DEF CON CTF challenges, vulnerable by design, for hackers to play safely.
Blue-team capture the flag competition for improving cybersecurity skills.
A Capture The Flag (CTF) platform for testing computer security skills
A list of vulnerable applications for testing and learning
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
Cooperative incident response card game for tabletop exercises and IR training
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
Scenario-based tabletop exercises for incident response training & planning
Suite of cyber defense tools, training, and research services
Cloud-based cyber range platform for team-based security training and drills
NATO-awarded cyber range platform for training, testing, and validation
Cloud-based lab environment for testing security solutions and simulations
Digital twin-based cyber defense platform with AI tools and VR interface
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.
Instructor-led training courses focused on counter-APT tactics and cyber defense.
Cybersecurity training service covering SOC, IR, offensive, and exec awareness.
Cloud-hosted cyber range platform for SOC & IR team live-fire simulation training.
On-demand cloud-hosted cybersecurity virtual lab training platform.
Cybersecurity training platform with 350+ hands-on labs and instructor-led courses.
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.
Subscription-based enterprise red team simulation labs with AD focus.
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.
Quantifies org cyber workforce resilience into a single composite score.
Hands-on cyber skills training platform with AI-driven labs and resilience metrics.
Team-based cyber range platform for IR simulation, training & benchmarking.
AI-driven cyber crisis simulation platform for testing org-wide incident response.
Live, simulated cyber attack drills to test org-wide incident response.
DDoS attack simulation & defense validation service for enterprises.
Cybersecurity training & simulation service covering ICS, APT, and DevSecOps.
Local pentest lab using docker compose to spin up victim and attacker services.
A project developed for pentesters to practice SQL Injection concepts in a controlled environment.
A non-profit organization providing live-fire cyber warfare ranges for training and up-skilling cybersecurity professionals.
The best security training environment for Developers and AppSec Professionals.
Cyber range platform for hands-on KSA assessments mapped to NIST-NICE.
A Graphical Realism Framework for Industrial Control Simulation organized as 5 VirtualBox VMs for realistic ICS network simulation.
Create a vulnerable active directory for testing various Active Directory attacks.
A training program that teaches security professionals how to conduct penetration testing and attack simulations against AWS and Azure cloud infrastructure.
Deliberately vulnerable CI/CD environment with 11 challenges to practice security.
A collection of vulnerable web applications containing command injection flaws designed to test and evaluate detection and exploitation tools like commix.
A project providing a low-cost ICS testbed with affordable hardware, instructions, and attacker scenarios to facilitate learning in industrial security.
Intentionally vulnerable Kubernetes cluster environment for learning and practicing Kubernetes security.
MockSSH is a testing tool that emulates operating systems behind SSH servers to enable automation testing without requiring access to real servers.
A set of PHP scripts for practicing LFI, RFI, and CMD injection vulnerabilities.
Vulnerable web application for beginners in penetration testing.
A virtual machine with numerous security vulnerabilities for testing exploits with Metasploit.
DVTA is a Vulnerable Thick Client Application with various security vulnerabilities.
SALO is a framework that generates synthetic log events for security testing and research without requiring actual infrastructure or triggering real events.
A network of physical and online cyber warfare ranges for training and testing
Frontpage of the IO wargame with various versions and connection details.
Deliberately vulnerable web application for security professionals to practice attack techniques.
A Linux-based environment for penetration testing and vulnerability exploitation
A wargaming network for penetration testers to practice their skills in a realistic environment.
A series of vulnerable virtual machine images with documentation to teach Linux, Apache, PHP, MySQL security.
Korean cyber-security challenge platform for exploiting and defending web application vulnerabilities.
Collection of URLs for vulnerable web applications and systems for cybersecurity practice.
Linux-based operating system intentionally vulnerable for cybersecurity practice.
A free and open-source deliberately insecure web application for security enthusiasts, developers, and students to discover and prevent web vulnerabilities.
International cybersecurity festival for all, who wants to dive into the world of cyber security and have a great time.
Online hacking game with realistic hacking experience and player interaction.
Platform offering cybersecurity courses for Red, Blue, and Purple Teamers by Picus.
A free online tool that scans and fixes common security issues in WordPress websites.
Hands-on cybersecurity training and testing platform with 1800+ labs
A collection of reverse engineering challenges covering a wide range of topics and difficulty levels.
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.
