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Starred repositories

84 stars written in C
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An OpenGL RTS game engine written in C

C 2,738 116 Updated Aug 10, 2025

The libdispatch Project, (a.k.a. Grand Central Dispatch), for concurrency on multicore hardware

C 2,579 483 Updated Mar 24, 2026

Practical and Powerful wayland compositor (dwm but wayland)

C 2,399 136 Updated Mar 30, 2026

Advanced CPU-based password recovery utility

C 2,248 299 Updated Sep 30, 2022

A cross-platform minigolf game written in C.

C 1,914 108 Updated Mar 18, 2024

Simple Open Source EtherCAT Master

C 1,861 838 Updated Feb 26, 2026

Transparent SSL/TLS interception

C 1,860 330 Updated Oct 27, 2025

A planetarium for your terminal! Explore stars, planets, constellations, and more, all rendered right in the command line—no telescope required. ✨🪐

C 1,829 40 Updated Mar 30, 2026

Universal configuration library parser

C 1,723 151 Updated Mar 24, 2026

Utility to execute a command as another user

C 1,641 279 Updated Mar 29, 2026

Operating system and container binary deployment and upgrades

C 1,603 345 Updated Mar 30, 2026

LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to tech@openbsd.org are …

C 1,461 290 Updated Mar 29, 2026

🐜 single header process launching solution for C and C++

C 1,341 109 Updated Jul 20, 2024

Official repository for libIEC61850, the open-source library for the IEC 61850 protocols

C 1,124 568 Updated Mar 12, 2026

ngrep is like GNU grep applied to the network layer. It's a PCAP-based tool that allows you to specify an extended regular or hexadecimal expression to match against data payloads of packets. It un…

C 1,002 106 Updated Feb 8, 2026

⚛📦 Hybrid image/package system with atomic upgrades and package layering

C 999 216 Updated Mar 20, 2026

Automatic conversion of the NetBSD src CVS module, use with care. Please submit bugs/changes via https://gnats.netbsd.org

C 907 348 Updated Mar 27, 2026

Retro game engine for creating games like it's 1997

C 885 46 Updated Feb 11, 2026

This C library provides a portable and simple API for accessing Allen-Bradley and Modbus PLC data over Ethernet.

C 862 266 Updated Mar 29, 2026

OpENer is an EtherNet/IP stack for I/O adapter devices. It supports multiple I/O and explicit connections and includes objects and services for making EtherNet/IP-compliant products as defined in t…

C 814 300 Updated Mar 2, 2026

Simple Open Source EtherCAT Slave

C 780 311 Updated Apr 8, 2025

BNF wrangling and railroad diagrams

C 626 33 Updated Dec 12, 2025

A library of generic intrusive data structures and algorithms in ANSI C

C 611 46 Updated Jan 21, 2018

Lunatik is a framework for scripting the Linux kernel with Lua.

C 581 60 Updated Mar 29, 2026

PROFINET device stack for embedded devices

C 573 222 Updated May 19, 2025

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access (MAC) layer communications services.

C 547 268 Updated Mar 30, 2026

experimental X11 compatibility layer

C 538 9 Updated Jul 9, 2025

Retro game engine inspired by 16-bit Sonic games.

C 459 44 Updated Mar 3, 2026

Sparser: Raw Filtering for Faster Analytics over Raw Data

C 432 54 Updated Sep 18, 2018

Wayland Maker - A Wayland compositor inspired by Window Maker

C 372 13 Updated Mar 30, 2026