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110 stars written in C
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Linux kernel source tree

C 229,604 61,693 Updated Apr 18, 2026

🎥 Command line media player

C 34,840 3,283 Updated Apr 18, 2026

General purpose TLS and crypto library

C 29,999 11,201 Updated Apr 17, 2026

Cross-platform asynchronous I/O

C 26,772 3,864 Updated Apr 17, 2026

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

C 24,832 5,004 Updated Apr 18, 2026

A time-series database for high-performance real-time analytics packaged as a Postgres extension

C 22,411 1,075 Updated Apr 17, 2026

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

C 21,633 8,797 Updated Apr 16, 2026

NVIDIA Linux open GPU kernel module source

C 16,904 1,666 Updated Apr 3, 2026

The systemd System and Service Manager

C 16,221 4,447 Updated Apr 18, 2026

NGINX-based Media Streaming Server

C 13,978 3,596 Updated Dec 24, 2024

Cross-platform multi-protocol VPN software. Pull requests are welcome. The stable version is available at https://github.com/SoftEtherVPN/SoftEtherVPN_Stable.

C 13,147 2,756 Updated Apr 5, 2026

Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are disabled. Please only use release tarballs from the QEMU website.

C 13,007 6,692 Updated Apr 14, 2026

Distributed PostgreSQL as an extension

C 12,431 763 Updated Apr 17, 2026

RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

C 11,901 5,381 Updated Apr 17, 2026

Extremely Fast Compression algorithm

C 11,774 1,534 Updated Apr 1, 2026

A small C compiler

C 11,541 1,049 Updated Oct 30, 2023

Xv6 for RISC-V

C 9,511 3,874 Updated Dec 17, 2025

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

C 9,025 3,264 Updated Apr 18, 2026

Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, T…

C 8,673 1,670 Updated Apr 17, 2026

Smart NFC & ink-Display Card

C 7,611 1,821 Updated Jan 10, 2021

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

C 7,387 1,660 Updated Apr 16, 2026

A customisable 3D platform for agent-based AI research

C 7,348 1,400 Updated Jan 4, 2023

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

C 6,147 3,207 Updated Jun 2, 2024

The seL4 microkernel

C 5,432 759 Updated Apr 13, 2026

A C library for parsing/normalizing street addresses around the world. Powered by statistical NLP and open geo data.

C 4,774 466 Updated Mar 26, 2026

Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

C 4,674 662 Updated Apr 18, 2026

nanomsg-next-generation -- light-weight brokerless messaging

C 4,557 554 Updated Mar 21, 2026

GNU toolchain for RISC-V, including GCC

C 4,448 1,377 Updated Apr 5, 2026

Original Xbox Emulator for Windows, macOS, and Linux (Active Development)

C 3,830 442 Updated Apr 13, 2026

uWSGI application server container

C 3,545 695 Updated Oct 11, 2025
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