Linux kernel source tree

A new bootable USB solution.

The PHP Interpreter

How to create an OS from scratch

How to Make a Computer Operating System in C++

An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

Learning operating system development using Linux kernel and Raspberry Pi

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

Audio Editor

Node.js Desktop Automation.

A modern, portable, easy to use crypto library.

A Compiler Writing Journey

FreeRDP is a free remote desktop protocol library and clients

Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

A simple Minecraft clone written in C using modern OpenGL (shaders).

A single-header ANSI C immediate mode cross-platform GUI library

Public repository of the QuickJS Javascript Engine.

sqlite3 driver for go using database/sql

The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

Disk encryption with strong security based on TrueCrypt

Ultra-lightweight JavaScript engine for the Internet of Things.

Intel Wi-Fi Drivers for macOS

Terrain rendering algorithm in less than 20 lines of code

A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network…

A BSD-based OS project that aims to provide source and binary compatibility with macOS® and a similar user experience.

A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.

The seL4 microkernel