ctf-events

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bl4de /ctf

Star567

My CTF journey since 2015. Stats, writeups, code snippets, notes, challenges.

hacking ctf-writeups ctf ctf-events ctftime writeup ctf-writeup

UpdatedNov 3, 2025
HTML

Hello, aspiring hackers! 🕵️‍♂️ Here’s a list of 500+ Free TryHackMe rooms to kickstart your cybersecurity journey. These rooms are absolutely free, and I’ve organized them by topic to help you dive in right away. 🛠️

android windows linux networking reverse-engineering active-directory hacking free steganography malware-analysis ctf-events cyber-security web-penetration-testing ctf-challenges rooms wifi-hacking good-first-issue tryhackme cyber-forensics tryhackme-roadmap

UpdatedSep 6, 2025

project-sekai-ctf /sekaictf-2022

Star197

🎵 Official source code and writeups for SekaiCTF 2022!

ctf-writeups ctf ctf-events ctf-solutions ctf-challenges

UpdatedJun 17, 2024
C

project-sekai-ctf /sekaictf-2023

Star147

🎵 Official source code and writeups for SekaiCTF 2023!

ctf-writeups ctf ctf-events ctf-solutions ctf-challenges

UpdatedAug 20, 2025
Python

NullPxl /NullCTF

Star138

A Discord bot that provides ctf tools for collaboration in Discord servers!

discord discord-bot discord-py ctf ctf-events ctftime discordbot ctf-tools

UpdatedJun 28, 2022
Python

project-sekai-ctf /sekaictf-2025

Star117

🎵 Official source code and writeups for SekaiCTF 2025!

cryptography blockchain reverse-engineering competitive-programming ctf-writeups pwn ctf binary-exploitation ctf-events 0day web-exploitation ctf-solutions ctf-challenges

UpdatedAug 20, 2025
TypeScript

abs0lut3pwn4g3 /RTB-CTF-Framework

Star111

A fast, efficient and lightweight (~100 KB) Capture The Flag framework inspired by the HackTheBox platform. Built with Flask.

heroku flask flask-application ctf ctf-framework flask-web ctf-events ctf-scoreboard ctfd hacktoberfest ctf-platform scoring-engine ctf-tools ctf-solutions flask-blueprints gssoc gssoc20

UpdatedMar 20, 2024
Python

project-sekai-ctf /sekaictf-2024

Star85

🎵 Official source code and writeups for SekaiCTF 2024!

cryptography blockchain reverse-engineering competitive-programming ctf-writeups pwn ctf binary-exploitation ctf-events 0day web-exploitation ctf-solutions ctf-challenges

UpdatedAug 20, 2025
C

ctftime /ctftime.org

Star77

meta repository for ctftime.org issues, feature-requests etc

ctf ctf-events ctfs

UpdatedMay 7, 2017

mcpa-stlouis /hack-the-arch

Star72

Welcome to HackTheArch! A free open source scoring server for cyber Capture the Flag competitions!

ctf-framework ctf-events ctf-scoreboard ctf-platform

UpdatedMar 8, 2023
Ruby

adamyi /CTFProxy

Star71

Your ultimate infrastructure to run a CTF, with a BeyondCorp-like zero-trust network and simple infrastructure-as-code configuration.

education security proxy ctf ctf-framework capture-the-flag ctf-events ctf-scoreboard ctfd ctf-platform ctf-tools zero-trust

UpdatedDec 22, 2022
Go

CSI-SFIT /Beginners-Guide-to-Ethical-Hacking

Star69

For beginners which zero knowledge on ethical hacking!

python hacking penetration-testing ctf ctf-framework ctf-events hacktoberfest hacking-tool ethical-hacking ctf-platform ctf-tools ctf-solutions ctf-challenges penetration-test-framework penetration-test ethicalhacking penetration-tests penetration-testing-tools penetration-testers ethical-hacking-tools

UpdatedDec 27, 2020

IRS-Cybersec /ctf_platform

Star63

Sieberrsec CTF platform. A Jeopardy CTF platform designed with various neat features to aid in training and learning.

cybersecurity ctf ctf-framework ctf-events ctf-scoreboard hacktoberfest ctf-platform ctf-tools challenge-page

UpdatedMar 1, 2023
JavaScript

noamgariani11 /picoCTF-2024-Writeup

Star55

picoCTF 2024 Writeup (Capture the Flag Competition) with the solutions for the challenges.

reverse-engineering forensics ctf-writeups ctf ctf-events ctf-solutions picoctf picoctf-writeups picoctf2024

UpdatedNov 27, 2025

Tp0t-Team /Tp0tOJ

Star51

A CTF online judge platform developed by Tp0t.

kubernetes k8s ctf capture-the-flag ctf-events ctfd ctf-platform

UpdatedJul 20, 2024
Go

snwau /picoCTF-2023-Writeup

Star29

Write up of solutions to the picoCTF 2023 capture the flag (CTF) event from my submissions during the competition.

ctf-writeups ctf binary-exploitation ctf-events ctf-solutions ctf-challenges picoctf picoctf-writeups picoctf2023

UpdatedMay 26, 2023

Neg9 /OpenCTF-2019

Star22

DEF CON 27 (2019) OpenCTF Repository - Developed, Organized, and Hosted by Neg9

ctf-writeups ctf defcon ctf-events ctf-solutions ctf-challenges defcon27 openctf

UpdatedOct 12, 2020
Python

ryan-cd /ctf

Star21

CTF programs and writeups

android python c java rest-api ctf-writeups exploits ctf binary-exploitation ctf-events ssrf

UpdatedJun 14, 2022
Python

jremes-foss /BeeCTF

Star17

Laravel-Based Community CTF Platform

docker php laravel php7 laravel-framework ctf laravel-application ctf-events hacktoberfest ctf-platform ctf-challenges laravel6

UpdatedNov 28, 2025
PHP

rgajendran /ctf_marker

Star17

Capture The Flag Marker System

capture-the-flag frontend-framework ctf-events ctf-platform hacking-simulator

UpdatedOct 21, 2018
PHP

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