Hacktoberfest is a month-long celebration of open source projects, their maintainers, and the entire community of contributors. Each October, open source maintainers give new contributors extra attention as they guide developers through their first pull requests on GitHub.
JavaScript • Python • Java
The new Windows Terminal and the original Windows console host, all in the same place!
Tesseract Open Source OCR Engine (main repository)
🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.
ClickHouse® is a real-time analytics database management system
A modern replacement for Redis and Memcached
Emscripten: An LLVM-to-WebAssembly Compiler
Powerful yet simple to use screenshot software 🖥️ 📸
Solidity, the Smart Contract Programming Language
KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.
SQL powered operating system instrumentation, monitoring, and analytics.
Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.
Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
PlayStation 3 emulator and debugger
Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
12 Weeks, 24 Lessons, IoT for All!
A fast and easy-to-use status bar
An open source re-implementation of RollerCoaster Tycoon 2 🎢
World's largest Contributor driven code dataset | Used in Quark Search Engine, @OpenGenus IQ, OpenGenus Visual Project
Flexible level editor
Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation
Created by DigitalOcean and GitHub
Released October 2014