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11 stars written in C
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xv6 OS

C 9,329 4,492 Updated Aug 13, 2024

A Tiny Linux-Compatible Kernel

C 3,083 139 Updated Apr 13, 2026

A shader-based software renderer written from scratch in C89

C 2,721 293 Updated Mar 6, 2021

The Xeneva Operating System

C 666 42 Updated Apr 5, 2026

Compact and Efficient RISC-V RV32I[MAFC] emulator

C 550 142 Updated Mar 7, 2026

x86-64 Operating System

C 467 26 Updated Apr 13, 2026

Portable games console, designed from scratch: CPU, graphics, PCB, and the kitchen sink

C 298 15 Updated Dec 14, 2025

A minimalist RISC-V system emulator capable of running Linux kernel with efficient event-driven scheduling

C 294 71 Updated Mar 23, 2026

A window system for resource-constrained devices

C 115 23 Updated Mar 1, 2026

A kernel module that adds the /dev/rickroll device

C 71 1 Updated Nov 12, 2023

A POSIX RISC-V OS kernel written in C23, featuring preemptive priority scheduling, virtual memory, tiered allocators, time management, modular device drivers, with support for ELF and VirtIO-GPU.

C 44 3 Updated Feb 4, 2025