Best HackThisSite Alternatives & Competitors in 2026

GemForge Labs

Subscription-based cybersecurity lab platform with hands-on hackable instances.

Hack The Box CTF Platform

Gamified CTF platform for hosting cybersecurity team assessments and training.

Hack The Box Hacking Labs

Virtual hacking labs platform with 1,720+ hands-on cybersecurity challenges.

OffSec Proving Grounds

Online lab platform offering hands-on penetration testing practice machines for OSCP prep

HackTheArch

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.

Root the Box

Root the Box is a real-time CTF scoring engine that provides a configurable platform for cybersecurity training through gamified wargames and competitions.

BetterMotherFucking CTF

A lightweight CTF platform inspired by motherfuckingwebsite.com that provides simple hosting capabilities for cybersecurity competitions with equal-point scoring and minimal setup requirements.

Boss of the SOC (BOTS) Dataset Version 3

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.

ROP Wargame Repository

A collection of Return-Oriented Programming (ROP) challenges designed for practicing binary exploitation techniques and developing offensive security skills.

PentesterLab PRO

Online platform offering 700+ hands-on web security exercises and training

SudoCyber

Gamified cybersecurity training platform with hands-on labs and certifications

ACI Learning Skill Labs

Virtual hands-on IT & cybersecurity lab platform for academic programs.

Stealien Cyber Drill System

Web-based cyber hacking defense training platform with CTF-style exercises.

VIP Cyber Defense Training

Cybersecurity training platform for IT pros covering labs, CTFs, and certs.

TryHackMe Cyber Security Training

Hands-on cybersecurity training platform with gamified labs and challenges

Cybexer Cyber Ranges for Finance and Banking

Cyber range platform for finance & banking sector security training

Bastazo Agoge

OT cybersecurity training platform with hands-on simulations and digital twins

418 Intelligence DEF3NSE

Gamified, live-data cyber skills training & crowdsourcing platform.

Hack The Box for Red Teams

Hands-on red team training platform with labs, cyber ranges, and CTF assessments.

Hack The Box for Blue Teams

Hands-on blue team training platform for SOC, DFIR, and threat intel roles.

CybergymIEC Cyber Arena

Cyber defense training platforms & OT security solutions for critical infrastructure.

MetaCTF Cloud Labs / Cloud Ranges

Cloud-based, team-based hands-on cybersecurity training labs simulating real networks

Container Internals Lab

An educational repository providing structured lab materials and scripts for learning container technologies and their internal mechanisms.

ThisisLegal.com

Hacker wargames site with forums and tutorials, fostering a learning community.

CTFGuide

Social learning platform for CTF challenges, labs, and cybersecurity training.

echoCTF.RED

CTF platform providing hands-on cybersecurity training and competition challenges

Payatu Masterclass

Free step-by-step cybersecurity training lessons on IoT and mobile app security by Payatu

Exploit-Challenges

A collection of vulnerable ARM binaries designed for educational exploit development and vulnerability research practice across different architectures and exploitation techniques.

Mellivora

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

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

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

Haaukins is an automated virtualization platform that provides hands-on cybersecurity education through capture the flag exercises in controlled vulnerable environments.

MotherFucking CTF

A lightweight CTF platform with simple setup and difficulty-based scoring that removes timezone advantages from competitions.

exploit_me

A deliberately vulnerable ARM/ARM64 application with 14 different vulnerability levels designed for CTF-style exploitation training and education.

OWASP Juice Shop CTF Extension

A Node.js CLI tool that automates the setup of CTF events using OWASP Juice Shop challenges across multiple CTF frameworks.

Security Scenario Generator (SecGen)

SecGen is an open-source framework that automatically generates vulnerable virtual machines and hacking challenges for cybersecurity education and penetration testing training.

echoCTF

echoCTF is a cybersecurity framework for running Capture the Flag competitions and training exercises on real IT infrastructure.

FBCTF

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.

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.

Labs-Pentest

A comprehensive collection of free online laboratories and platforms for practicing penetration testing, CTF challenges, and cybersecurity skills development.

Boss of the SOC (BOTS) Dataset Version 2

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.

MemLabs

MemLabs provides CTF-styled memory forensics challenges designed to teach students and security researchers how to analyze memory dumps using tools like Volatility.

0l4bs Cross-site scripting labs

A collection of 20 cross-site scripting challenges covering various XSS attack vectors and filtering bypass techniques for educational purposes.

OverTheWire: Vortex

A wargame composed of 27 levels, with files needed in /vortex/ directory.

WeChall

A free online wargame for practicing hacking skills and learning security concepts.

IronCircle Cybersecurity Training Platform

AI-powered browser-based cybersecurity training platform with labs and certs

Hack The Box Cyber Workforce Dev

Enterprise platform for cybersecurity workforce training via hands-on labs & CTFs.

Hack The Box Business

Enterprise platform for cybersecurity team training, labs, and skill gap assessment.