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29 stars written in C
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stb single-file public domain libraries for C/C++

C 33,237 8,035 Updated Mar 18, 2026

How to create an OS from scratch

C 30,300 3,536 Updated Feb 4, 2026

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

C 22,328 4,042 Updated Mar 31, 2026

FFmpeg for browser, powered by WebAssembly

C 17,361 1,062 Updated Feb 1, 2026

i3-compatible Wayland compositor

C 16,754 1,241 Updated Mar 26, 2026

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

C 7,889 515 Updated Sep 10, 2024

Low-level unprivileged sandboxing tool used by Flatpak and similar projects

C 6,564 305 Updated Mar 21, 2026

WebAssembly Micro Runtime (WAMR)

C 5,877 780 Updated Apr 6, 2026

Porting Windows Dynamic Link Libraries to Linux

C 4,480 393 Updated Apr 10, 2025

Tutorial: Writing a "bare metal" operating system for Raspberry Pi 4

C 3,738 275 Updated Feb 3, 2025

Firmware for Pinetime smartwatch written in C++ and based on FreeRTOS

C 3,261 1,069 Updated Mar 20, 2026

A readline wrapper

C 3,031 162 Updated Nov 13, 2025

bpftop provides a dynamic real-time view of running eBPF programs. It displays the average runtime, events per second, and estimated total CPU % for each program.

C 2,647 129 Updated Apr 1, 2026

Go bindings for creating BPF programs.

C 2,190 308 Updated Aug 31, 2023

Platform independent Near Field Communication (NFC) library

C 1,947 472 Updated Mar 5, 2025

Linux-based partitioning hypervisor

C 1,920 354 Updated May 18, 2024

Sandboxed kernel mode WebAssembly runtime.

C 763 30 Updated Feb 28, 2020

The open source (GPL v2) turn-by-turn navigation software for many OS

C 645 179 Updated Apr 5, 2026

Miracast implementation for GNOME

C 371 38 Updated Jun 15, 2020

Protothreads (coroutines) in C99. Highly portable, but work best in low-end embedded systems.

C 305 48 Updated Dec 13, 2016

OpenTelemetry auto-instrumentation for Go applications

C 297 44 Updated Aug 3, 2023

eBPF Port Knocking Tool

C 238 17 Updated Aug 23, 2023

Package vpx provides Go bindings for libvpx-1.6.0, the WebM Project VP8/VP9 codec implementation.

C 196 16 Updated Feb 3, 2022

Linux kernel driver for PATA bit-banging over GPIOs

C 179 15 Updated Aug 12, 2020

Custom Linux kernels for the UniFi Dream Machine

C 137 11 Updated Jan 24, 2023

HardenedBSD stable repo. Installer images built from this repo: http://installer.hardenedbsd.org/

C 133 33 Updated Mar 28, 2021

Proton Kernel for the Pixel 5 (redfin) and Pixel 4a 5G (bramble), unified as redbull.

C 45 9 Updated Aug 8, 2021

Lightweight Performance Control System

C 21 14 Updated Apr 1, 2026