Topics / #x86

X86 projects on GitHub

x86 architecture topics including assembly, debugging, and emulation.

As of , the most-starred X86 projects on GitHub are llama.cpp (131.4K stars), Ventoy (80.1K stars) and x64dbg (49.9K stars). GitHub.Locker tracks 34 X86 repositories with 720.6K stars combined. The fastest-growing on October 16 was llama.cpp, with +124 stars in a day.

34Projects
720.6KStars in total
+354Stars in a day

Hot right now

Most stars gained in a day · Oct 16

The all-time top

34 projects · by stars

  1. #1 · ggml-org/llama.cpp

    llama.cpp

    llama.cpp is a plain C/C++ implementation for running LLM (and VLM) inference with minimal setup and state-of-the-art performance, either locally or in the cloud.

    131.4K
  2. #2 · ventoy/Ventoy

    Ventoy

    Ventoy is an open source tool that creates a bootable USB drive which can boot directly from ISO/WIM/IMG/VHD(x)/EFI files without extracting or reformatting them.

    80.1K
  3. #3 · x64dbg/x64dbg

    x64dbg

    x64dbg is an open-source user-mode debugger for Windows, built specifically for reverse engineering and malware analysis.

    49.9K
  1. 4

    BitNet

    41.2Kmicrosoft/BitNet · C++

    bitnet.cpp is Microsoft's official inference framework for 1-bit (ternary, 1.58-bit) large language models like BitNet b1.58, letting them run fast on CPUs and GPUs.

  2. 5

    UTM

    35.9Kutmapp/UTM · Swift

    UTM is a full system emulator and virtual machine host for iOS and macOS, built on QEMU, that lets you run Windows, Linux, and other operating systems directly on your Mac, iPhone, or iPad.

  3. 6

    serenity

    33.9KSerenityOS/serenity · C++

    SerenityOS is a graphical Unix-like operating system for 64-bit x86, Arm, and RISC-V computers, built entirely from scratch.

  4. 7

    linux-insides

    33.7K0xAX/linux-insides · Python

    This is a free, work-in-progress book that explains the internals of the Linux kernel, covering topics like booting, memory management, and system calls in deep technical detail.

  5. 8

    MS-DOS

    32.3Kmicrosoft/MS-DOS · Assembly

    The original source code of MS-DOS v1.25, v2.0, and v4.00, published by Microsoft for reference. The v1.25 and v2.0 parts include compiled binaries too, and v4.00 was jointly developed by IBM and Microsoft.

  6. 9

    os-tutorial

    30.8Kcfenollosa/os-tutorial · C

    A step-by-step tutorial that walks you through building a small operating system from scratch, starting at the boot sector and moving up to a basic kernel.

  7. 10

    v86

    23.6Kcopy/v86 · JavaScript

    v86 is an x86 PC emulator that runs entirely in the browser. It emulates a Pentium-4-class CPU and classic PC hardware, translating guest machine code to WebAssembly at runtime for decent speed.

  8. 11

    ish

    20.6Kish-app/ish · C

    iSH is an open-source iOS app that gives you a Linux shell on your iPhone or iPad. It emulates an x86 processor in usermode and translates Linux syscalls, so Linux command-line programs run on iOS as they are.

  9. 12

    gvisor

    19.7Kgoogle/gvisor · Go

    An application kernel for containers: it wraps running applications in a strong isolation layer from the host OS, implementing a Linux-like interface in memory-safe Go, entirely in userspace.

  10. 13

    reactos

    18.2Kreactos/reactos · C

    A free, open-source operating system (GNU GPL 2.0) built to run the applications and drivers written for the Windows NT family, from NT4 through 7; compatibility work currently focuses on Windows Server 2003.

  11. 14

    open-gpu-kernel-modules

    17.5KNVIDIA/open-gpu-kernel-modules · C

    This is NVIDIA's official source release of the open-source Linux GPU kernel modules (nvidia.ko, nvidia-drm.ko, nvidia-modeset.ko, nvidia-uvm.ko) for Turing and newer GPUs.

  12. 15

    webvm

    17.4Kleaningtech/webvm · Svelte

    WebVM is a Linux virtual machine that runs entirely in your browser — an unmodified Debian distribution with native development toolchains, fully client-side, no install and no server.

  13. 16

    zephyr

    16.8Kzephyrproject-rtos/zephyr · C

    Zephyr is an open source real-time operating system (RTOS) — a small-footprint kernel for resource-constrained embedded devices, supporting many hardware architectures and built with security in mind.

  14. 17

    ggml

    15.5Kggml-org/ggml · C++

    ggml is a plain C/C++ tensor library built for running machine learning models with minimal setup, no external dependencies, and support for CPU, GPU, NPU, and browser backends. It's the core engine that powers projects like llama.cpp.

  15. 18

    Reverse-Engineering

    14.8Kmytechnotalent/Reverse-Engineering · Assembly

    A free, massive collection of reverse engineering and hacking tutorials covering x86, x64, ARM (32/64-bit), AVR, RISC-V, Windows internals, malware analysis, embedded systems, Rust, Go, Wasm, and more, delivered as free ebooks/lessons.

  16. 19

    os01

    13.7Ktuhdo/os01 · TeX

    It's a free book, 'Operating Systems: From 0 to 1', that walks a self-learner through the foundational knowledge needed to write an operating system from scratch.

  17. 20

    daedalOS

    13.1KDustinBrett/daedalOS · JavaScript

    daedalOS is a full desktop environment that runs entirely in your browser, complete with a file explorer, draggable/resizable windows, a taskbar, a start menu, and dozens of built-in apps, emulators, and games.

  18. 21

    chibicc

    11.9Krui314/chibicc · C

    chibicc is a small C compiler that implements most C11 features — created as a readable, teaching-oriented implementation of a real compiler.

  19. 22

    Dependencies

    11.9Klucasg/Dependencies · C#

    Dependencies is an open-source, modern replacement for Dependency Walker — a Windows tool that helps developers troubleshoot DLL load dependency issues by showing what an executable or library needs to load.

  20. 23

    VirtualApp

    11.1KasLody/VirtualApp · Java

    VirtualApp is a sandbox engine for Android — a lightweight 'Android virtual machine' that runs and fully controls apps inside a host app without installing them on the system. It ships as a highly extensible SDK you build products on top of.

  21. 24

    rr

    10.7Krr-debugger/rr · C++

    rr is a lightweight tool that records the execution of an application — entire trees of processes and threads — and lets you replay and debug that recording.

  22. 25

    AirCard

    6.7KMak5er/AirCard · Swift

    AirCard is a macOS app that lets you customize Apple Wallet card skins and iOS lockscreen passcode keypad themes on iOS 18+ without jailbreaking your iPhone.

  23. 26

    ReBarUEFI

    2.6KxCuri0/ReBarUEFI · C

    ReBarUEFI is a UEFI DXE driver that enables Resizable BAR on systems whose firmware doesn't support it officially — a free performance boost, mostly noticeable in games.

  24. 27

    skitter-creek-bath-salts

    2.1Kxoreaxeaxeax/skitter-creek-bath-salts · C

    A security research project that shows how to unlock protected regions on an AMD CPU — the Platform Security Processor, System Management Mode, C6 DRAM, and CPU microcode — by scrambling the DRAM controller's physical-to-DRAM address translation.

  25. 28

    cpu-performance-engineering

    1.2Kusamahz/cpu-performance-engineering · Python

    A curated reading path for CPU performance engineering: it walks you from what one instruction does on a modern core to serving ML inference on CPUs, ordered so each piece makes the next one legible.

  26. 29

    martypc

    946dbalsom/martypc · Rust

    MartyPC is a cycle-accurate emulator of early IBM PCs and compatibles, written in Rust. It recreates the original IBM PC, XT, PCjr and Tandy 1000 down to individual CPU cycles.

  27. 30

    ir

    509dstogov/ir · C

    IR is a lightweight framework for building JIT compilers in medium-size projects. It gives you an intermediate representation, an API to construct it, and passes for optimization, scheduling, register allocation and machine code generation that can be executed directly in memory.

  28. 31

    libfyaml

    346pantoniou/libfyaml · C

    libfyaml is a high-performance YAML 1.2 and JSON parser/emitter for C, built for zero-copy operation with full document-tree and event-streaming APIs, and it passes the full YAML testsuite.

  29. 32

    ra2

    283ra2-games/ra2 · TypeScript

    A fan-made web port that runs the original Red Alert 2 and Yuri's Revenge x86 executables directly in the browser, using the v86 emulator with custom firmware and a Win32/DirectX compatibility layer instead of a real Windows install.

  30. 33

    frank-386

    210rh1tech/frank-386 · C

    FRANK 386 is an i386 PC emulator that runs as firmware on the Raspberry Pi Pico 2 (RP2350), turning the board into a tiny retro PC with VGA/HDMI video, SD-card storage, keyboard and mouse input, and sound. It is a port of Chunhui He's Tiny386.

  31. 34

    lytlnyblOS

    116red-mutt/lytlnyblOS · C

    lytlnyblOS ('little nibble OS') is a small 32-bit operating system built from scratch to teach beginners OS development practically. You write every line of it yourself while following the companion book.

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