TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

build-once run-anywhere c library

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

Simple DirectMedia Layer

mimalloc is a compact general purpose allocator with excellent performance.

Extremely Fast Compression algorithm

Legacy mirror of Darwin Kernel. Replaced by https://github.com/apple-oss-distributions/xnu

A small C compiler

Extremely fast non-cryptographic hash algorithm

C in four functions

The single instruction C compiler

Ultra-lightweight JavaScript engine for the Internet of Things.

Terrain rendering algorithm in less than 20 lines of code

A massively spiffy yet delicately unobtrusive compression library.

A little fail-safe filesystem designed for microcontrollers

ZMap is a fast single packet network scanner designed for Internet-wide network surveys.

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

Antialiased 2D vector drawing library on top of OpenGL for UI and visualizations.

A command-line based markdown presentation tool.

Gravity Programming Language

A fast and lightweight fully featured OCI runtime and C library for running containers

Darwin is the Open Source core of macOS, and PureDarwin is a community project to extend Darwin into a complete, usable operating system.

tic-tac-toe in a single call to printf

HTTP client for PostgreSQL, retrieve a web page from inside the database.

Small portable regex in C

C library for accessing the PostgreSQL parser outside of the server environment

Simple, zero-dependency garbage collection for C

An implementation of OpenGL 3.x-ish in clean C

Go bindings for OpenGL (generated via glow)