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Repositories in this selection 32 · UTC 2026-11-04
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1—Xx64dbg / x64dbgA user-mode debugger for Windows applications.C++NOASSERTION · Restricted / unknownInsufficient rank history50,1622,917——2026-10-28
2—Bbee-san / Ciphey⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡RustMIT · PermissiveInsufficient rank history21,7351,444——2026-11-01
3—Vvitalysim / Awesome-Hacking-ResourcesA collection of hacking / penetration testing resources to make you better!UnknownGPL-3.0 · Share derivative sourceInsufficient rank history17,5902,227——2026-05-21
4—Jjuice-shop / juice-shopOWASP Juice Shop: Probably the most modern and sophisticated insecure web applicationTypeScriptMIT · PermissiveInsufficient rank history14,33820,436——2026-10-30
5—GGallopsled / pwntoolsCTF framework and exploit development libraryPythonNOASSERTION · Restricted / unknownInsufficient rank history13,8141,873——2026-11-02
6—Aapsdehal / awesome-ctfA curated list of CTF frameworks, libraries, resources and softwaresJavaScriptCC0-1.0 · PermissiveInsufficient rank history11,9631,621——2024-07-22
7—Ppwndbg / pwndbgExploit Development and Reverse Engineering with GDB & LLDB Made EasyPythonMIT · PermissiveInsufficient rank history11,1371,308——2026-11-03
8—Cctf-wiki / ctf-wikiCome and join us, we need you!PythonNOASSERTION · Restricted / unknownInsufficient rank history9,7511,438——2026-08-23
9—Hhugsy / gefGEF (GDB Enhanced Features) - a modern experience for GDB with advanced debugging capabilities for exploit devs & reverse engineers on LinuxPythonMIT · PermissiveInsufficient rank history8,419842——2026-08-20
10—CCTFd / CTFdCTFs as you need themPythonApache-2.0 · PermissiveInsufficient rank history6,8952,789——2026-11-01
11—DDominicBreuker / pspyMonitor linux processes without root permissionsGoGPL-3.0 · Share derivative sourceInsufficient rank history6,233574——2026-03-01
12—RRPISEC / MBECourse materials for Modern Binary Exploitation by RPISECCBSD-2-Clause · PermissiveInsufficient rank history6,096910——2021-12-09
13—Fffffffff0x / 1earnThe security knowledge framework maintained by the ffffffff0x team includes content that is not limited to web security, industrial control security, forensics, emergency response, blue team facility deployment, post-infiltration, Linux security, and various target drone writeups.C++Unknown · Restricted / unknownInsufficient rank history5,7311,261——2024-06-06
14—Ggoogle / google-ctfThis repository lists most of the challenges used in the Google CTF since 2017, as well as most of the infrastructure that can be used to run them. **IMPORTANT** - The code in the 201x and 202x folders have unfixed security vulnerabilities. These are there on purpose, and running these on real production infrastructure is not safe.PythonApache-2.0 · PermissiveInsufficient rank history5,053599——2026-10-22
15—Ooritera / CairnCairn is a general-purpose AI state-space search engine, validated first on autonomous penetration testing. Sometimes misspelled as Carin.PythonAGPL-3.0 · Share derivative sourceInsufficient rank history4,777923——2026-09-07
16—Ffirmianay / CTF-All-In-OneLearning materials and companion book resources for CTF security competitions, including Linux binary security, reverse engineering, and challenge analysis.CCC-BY-SA-4.0 · Share derivative sourceInsufficient rank history4,516708——2024-07-27
17—PProbiusOfficial / Hello-CTF[Hello CTF] It is a free and open source CTF introductory tutorial with matching questions. It is written for novices with no basic knowledge. It also takes into account the filling of information gaps. It is an open source tutorial that is friendly to CTFers at all stages and is committed to the open source ecosystem of CTF and network security!HTMLGPL-3.0 · Share derivative sourceInsufficient rank history4,282265——2026-11-03
18—00xsyr0 / Awesome-Cybersecurity-HandbooksA huge chunk of my personal notes since I started playing CTFs and working as a Red Teamer.UnknownGPL-3.0 · Share derivative sourceInsufficient rank history4,164604——2026-10-23
19—00dayCTF / reverse-shell-generatorHosted Reverse Shell generator with a ton of functionality. -- (Great for CTFs)JavaScriptMIT · PermissiveInsufficient rank history4,093847——2026-04-27
20—Ssnooppr / snoopSnoop - open data intelligence tool (OSINT world)PythonNOASSERTION · Restricted / unknownInsufficient rank history4,062468——2026-10-28
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