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A collective list of free APIs

Python 415,501 45,030 Updated Mar 18, 2026

Master the command line, in one page

160,466 14,797 Updated Jun 25, 2024

A terminal for a more modern age

TypeScript 69,778 3,919 Updated Mar 20, 2026

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

Go 58,354 3,048 Updated Aug 13, 2024

🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

C++ 52,962 2,343 Updated Mar 24, 2026

Learn regex the easy way

46,154 6,210 Updated Aug 25, 2025

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

JavaScript 34,407 3,887 Updated Mar 23, 2026

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

Python 31,603 4,417 Updated Mar 24, 2026

SQL powered operating system instrumentation, monitoring, and analytics.

C++ 23,173 2,556 Updated Mar 12, 2026

Docker Cheat Sheet

22,495 4,641 Updated Dec 31, 2024

A little tool to play with Windows security

C 21,357 4,045 Updated May 11, 2025

Defund the Police.

13,542 2,663 Updated Jun 7, 2024

cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not …

Go 13,218 848 Updated Feb 26, 2026

Incredibly fast crawler designed for OSINT.

Python 12,765 1,671 Updated Feb 10, 2026

Install and Run Python Applications in Isolated Environments

Python 12,645 532 Updated Mar 23, 2026

A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.

11,528 1,637 Updated Nov 19, 2024

File formats dissections and more...

Assembly 11,421 795 Updated Feb 18, 2024

This repository contains cutting-edge open-source security tools (OST) for a red teamer and threat hunter.

10,204 2,340 Updated Sep 29, 2025

A curated list of tools for incident response

8,904 1,656 Updated Jul 18, 2024

A collection of software installations scripts for Windows systems that allows you to easily setup and maintain a reverse engineering environment on a VM.

PowerShell 8,459 1,086 Updated Mar 20, 2026

An advanced memory forensics framework

Python 7,988 1,340 Updated May 16, 2025

Public malware techniques used in the wild: Virtual Machine, Emulation, Debuggers, Sandbox detection.

C++ 6,887 1,259 Updated Mar 1, 2026

A collection of awesome security hardening guides, tools and other resources

6,234 635 Updated Mar 20, 2026

The FLARE team's open-source tool to identify capabilities in executable files.

Python 5,904 685 Updated Mar 23, 2026

Reverse engineering focusing on x64 Windows.

C++ 5,796 582 Updated Sep 10, 2025

A curated list of awesome infosec courses and training resources.

5,608 743 Updated Nov 21, 2025

Python for Windows (pywin32) Extensions

C++ 5,536 851 Updated Mar 23, 2026

Sysmon configuration file template with default high-quality event tracing

5,439 1,839 Updated Jul 3, 2024

Reverse Engineer's Toolkit

Inno Setup 5,175 536 Updated May 1, 2025

GRR Rapid Response: remote live forensics for incident response

Python 5,048 795 Updated Feb 16, 2026
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