X86 GitHub Repositories (2026) · Open Source Tools

A cross-platform, high-performance and asynchronous web server for static files-serving. ⚡

This is the stress-ng upstream project git repository. stress-ng will stress test a computer system in various selectable ways. It was designed to exercise various physical subsystems of a computer as well as the various operating system kernel interfaces.

edb is a cross-platform AArch32/x86/x86-64 debugger.

Emulator of x86-based machines.

The official repository for the gem5 computer-system architecture simulator.

OpenHD

Run x86 and x86-64 games on RISC‑V Linux

A reading path for CPU performance engineering, from one instruction to production inference. Primary sources only, with a runnable benchmark for every section.

A fast usermode x86 and x86-64 emulator for Arm64 Linux

“Zero setup” cross compilation and “cross testing” of Rust crates

The official build framework for the Armbian Linux distribution. This repository contains the complete toolchain and scripts required to compile custom OS images from source, including kernel configuration, U-Boot handling, and board-specific tweaks for various ARM and ARM64 single-board computers.

Low-latency machine code generation

Reko is a binary decompiler.

Unofficial native PC and Steam Deck port of Tears of the Kingdom 1.4.3 using static recompilation. Builds locally from the player's own extracted game dump; no game files included.

Nyxstone: assembly / disassembly library based on LLVM, implemented in C++ with Rust and Python bindings, maintained by emproof.com

A minimal, low-fuss wrapper that can run simple command-line 32-bit Windows binaries on Linux and macOS.

Run real Windows 98 apps and games in your browser. An x86 emulator and Win32 layer written directly in WebAssembly Text, no OS image, no source ports.

A 32bit multiboot OS kernel for IA32 (PC/AT) systems.

My hobby operating system project. The plan was grand, the mind was melted. It does compile and run though...

C library for arbitrary-precision integer and rational computation.