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177 stars written in C
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A tiling window manager for macOS based on binary space partitioning

C 28,085 695 Updated Jan 17, 2026

build-once run-anywhere c library

C 20,518 735 Updated Jan 25, 2026

Open-source vector similarity search for Postgres

C 19,707 1,060 Updated Jan 22, 2026

OpenCore bootloader

C 14,702 2,237 Updated Feb 6, 2026

A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input

C 14,664 5,793 Updated Feb 5, 2026

A tiling window manager based on binary space partitioning

C 8,195 436 Updated Oct 8, 2025

Open Source Soldering Iron firmware

C 8,050 791 Updated Feb 2, 2026

low cost software radio platform

C 7,710 1,665 Updated Feb 5, 2026

Intel Wi-Fi Drivers for macOS

C 7,105 703 Updated Jul 12, 2024

A fork of the i3 window manager with gaps and some other features. ⚠️ i3-gaps has been merged into i3.

C 5,831 315 Updated Nov 1, 2022

UEFI firmware image viewer and editor

C 5,290 716 Updated Jan 30, 2026

Protocol Buffers with small code size

C 5,199 989 Updated Feb 6, 2026

Open source STM32 MCU programming toolset

C 4,971 1,305 Updated Oct 12, 2025

This is the latest version of the internal repository from Pebble Technology providing the software to run on Pebble watches. Proprietary source code has been removed from this repository and it wi…

C 4,963 392 Updated Feb 25, 2025

open-source IEEE 802.11 WiFi baseband FPGA (chip) design: driver, software

C 4,495 761 Updated Feb 4, 2026

Build your hardware, easily!

C 3,715 681 Updated Feb 5, 2026

In-application debugger for ARM Cortex and RISC-V processors.

C 3,693 841 Updated Feb 6, 2026

Synthesizer plug-in (previously released as Vember Audio Surge)

C 3,657 438 Updated Feb 4, 2026

Packet, where are you? -- eBPF-based Linux kernel networking debugger

C 3,654 218 Updated Feb 6, 2026

State-of-the-art native debugging tools

C 3,618 446 Updated Feb 6, 2026

Open source ARM Cortex-M microcontroller library

C 3,493 1,105 Updated Oct 2, 2025

ZSWatch - the Open Source Zephyr™ based Smartwatch, including both HW and FW.

C 3,117 280 Updated Feb 6, 2026

Tiny, fast, non-dependent and fully loaded printf implementation for embedded systems. Extensive test suite passing.

C 2,948 545 Updated Apr 3, 2023

Simple X hotkey daemon

C 2,921 147 Updated Sep 27, 2025

MachOView fork

C 2,853 721 Updated Jul 22, 2024

pongoOS

C 2,666 461 Updated Jul 3, 2025

uhubctl - USB hub per-port power control

C 2,546 249 Updated Jan 16, 2026

Less than 100 Kilobytes. Works for Android 5.1 and above

C 2,370 148 Updated Aug 29, 2025

A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)

C 2,189 286 Updated Feb 1, 2026
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