#ctf (30 Repositories)
Ranked open-source repositories tagged with #ctf, scored by pull request acceptance likelihood and maintainer engagement velocity.
81.3%
41.5h
30 repositories tagged #ctf
h5i-dev/h5i
An agent-native web security workspace. Find vulnerabilities through red-teaming. Formally verify properties of Rust codes in Lean 4.
otter-sec/rctf
rCTF is a platform for hosting cybersecurity capture-the-flag competitions.
Netw0rkNoob/VulnClaw
基于 AI Agent + MCP 工具链 + 渗透 Skill 编排， 配合大语言模型， 自然语言输入 → 自动完成「信息收集 → 漏洞发现 → 漏洞利用 → 报告生成」全流程。
xsa/infosec-events
List of past and future infosec related events.
htrgouvea/spellbook
Framework for rapid development of offensive security tools
pwndbg/pwndbg
Exploit Development and Reverse Engineering with GDB & LLDB Made Easy
goshs-labs/goshs
Feature-rich single-binary file server for red teamers and developers. HTTP/S · WebDAV · FTP/SFTP · SMB · LDAP/S · NTLM hash capture · DNS/SMTP callbacks · TLS · Auth · Share links. A powerful python3 -m http.server replacement.
skyf0l/RsaCracker
Powerful RSA cracker for CTFs. Supports RSA, X509, OPENSSH, PKCS#12, PKCS#7, and CSR in PEM and DER formats.
p-x9/MachOKit
🔬 A Swift library for parsing mach-o files to obtain various information.
CTFd/CTFd
CTFs as you need them
ljagiello/ctf-skills
Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more
Pwnzer0tt1/firegex
Firegex, a firewall for Attack-Defense CTFs
Recurse-Labs/recurse
AI Native IDE for reverse engineering
noraj/haiti
:key: Hash type identifier (CLI & lib)
ProbiusOfficial/Hello-CTF
【Hello CTF】题目配套，免费开源的CTF入门教程，针对0基础新手编写，同时兼顾信息差的填补，对各阶段的CTFer都友好的开源教程，致力于CTF和网络安全的开源生态！
echoCTF/echoCTF.RED
A platform to develop, run and administer CTF competitions. This is the online echoCTF.RED platform source code
moov-io/watchman
AML/CTF/KYC/OFAC Search of global watchlist and sanctions
wcampbell0x2a/heretek
GDB TUI Dashboard for the understanding of vast knowledge
ctf-wiki/ctf-wiki
Come and join us, we need you!
bee-san/Ciphey
⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡
Encod3d-Sec/ClaudeBrain
Karpathy LLM based claude harness for PenetrationTesting / Bugbounty using obsidian
Zeecka/AperiSolve
Steganalysis web platform
ret2shell/ret2shell
A feature-riches CTF challenge platform!
CTFd/ctfcli
ctfcli is a tool to manage Capture The Flag events and challenges
NeCr00/Credential-Hunting
CredsHunter - Credential Hunting scripts for Windows and Linux OS
MT-CTF/capturetheflag
Capture the Flag game using the Minetest Voxel Engine
Checkmarx/capital
A built-to-be-vulnerable API application based on the OWASP top 10 API vulnerabilities. Use c{api}tal to learn, train and exploit API Security vulnerabilities within your own API Security CTF.
pedrosilvaevangelista/Cyberlivre
Curso completo de Segurança Cibernética com conteúdos gratuitos em português.
3dem/relion
Image-processing software for cryo-electron microscopy
0xSteph/pentest-ai-agents
Turn Claude Code into your offensive security research assistant. Specialized AI subagents for authorized penetration testing plan engagements, analyze recon, research exploits, build detections, audit STIGs, and write reports.