Boots Apple's open-source XNU kernel on Android phone hardware and QEMU, running unmodified iOS 16.5 user space on top.
Unlock FP/BF16 instruction issue rate on Nvidia 3000's cards to their professional equivalents
Static recompilation of The Legend of Zelda: Skyward Sword for PC
Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows
A Windows-inspired PS5 homebrew OS bringing 32-bit and 64-bit Windows gaming to console hardware through a custom Wine/Proton compatibility stack and native Vulkan graphics.
Protects an unpatched PHP against php2shell (CVE-2026-109618 / CVE-2026-109619): a small extension that mirrors the official fix component by component and steps aside once the engine carries it. PHP 5.6-8.5; Sury, cPanel EA4, DirectAdmin, Docker, Windows.
Remote control for Claude Code, Codex, Grok, and Cursor on Mac or PC. View sessions, send tasks, and drive them remotely from your phone, PIN, or Ring. OpenClaw supported.
An open and affordable mini quadruped robot based on ESP32.
Ninja Gaiden Black (Xbox, 2005) statically recompiled into native Linux and Windows builds, drawn by its own Vulkan renderer. A steady 60 fps, widescreen and ultrawide, keyboard and mouse, Steam Deck ready. Bring your own copy of the game.
The Reliable USB Formatting Utility
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Your phone's map on the digital cluster of VW-group cars with a Harman MIB2/MIB2.5 High head unit: Android Auto map (CarPlay in development), turn-arrow fallback, one-step SD-card installer.
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
Zstandard - Fast real-time compression algorithm
Device-wide Android VPN for difficult networks: WireGuard, MASQUE, WARP-on-WARP, Psiphon, Tor, Foxy and SHARD β with Rust core, endpoint discovery, MTU scanning, multiple TUN engines, profiles and verified connections.
Faster FSR 4.1.1 upscaling on Radeon RX 6000 and RX 7000 graphics cards, on Windows and Linux: drop-in DLLs and shader overrides. Exact version keeps AMD's picture byte for byte; optional lossy version is faster still.
Ditto is an extension to the Windows Clipboard. You copy something to the Clipboard and Ditto takes what you copied and stores it in a database to retrieve at a later time.
LinPad β Linux for iPad. A real Linux desktop on the iPad: native windowed desktop with tiling and workspaces, real Linux apps (Firefox, VS Code, Thunar, VLC) as native windows, ARM64 JIT, GPU via Venus/Metal, keyboard + trackpad + touch.
Commodore 64 hardware simulator
LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional editor and tooling.
GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.
High Performance Open Source Radio Control Link
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
A graphical boot menu and standard Linux boot for Qualcomm handhelds, built into Qualcomm's Android bootloader (ABL).
Multicast RTP/RTSP to Unicast HTTP stream converter, with built-in web player, status dashboard, fast channel change support, and more!
The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards.
Play your GeForce NOW games on the New Nintendo 3DS. A native, unofficial cloud gaming client with hardware video decoding, gyro aim, custom button mapping and a calm OLED-black design.
Open-source keyboard firmware for Atmel AVR and Arm USB families
Public repository of the QuickJS Javascript Engine.
Open source STM32 MCU programming toolset
A multimedia sketchpad
IP-KVM on the ESP32-P4: HDMI capture, USB keyboard and mouse, and a browser console over HTTPS
ESP32 MCP firmware for iPhone USB input, built for M5Stack StopWatch with guided board adaptation
An AI-enabled NAT Router/Firewall for the ESP32
GoldenEye 007 (N64, 1997) as a native PC game for Windows, Linux, Steam Deck and macOS. Built from the open decompilation, with widescreen, mouse and keyboard or controller, and split-screen. Not an emulator.
Universal controller engine & Web Dashboard for PlayStation 5 (FW 7.00 - 13.60)
Board support package, reusable components, and examples for the ESP-Mosaico development board.
ESP32 display that shows you your Claude Code usage
Pixel perfect AdafruitGFX & u8g2 fonts for the tiniest displays
OpenTricky is an unofficial PC port of SSX Tricky, made by static recompilation. Bring your own disc.
Windows 98 display driver with hardware Direct3D/OpenGL/Glide on the Intel GMA & HD, S3 Trio/ViRGE, Matrox Millennium, Rage and a VESA fallback.
Native OpenWrt port for Tianyi TYFZA1 / Realtek RTL9617CVW. Experimental PON, Wi-Fi and hardware forwarding.
Open-source telemetry dashboard. Supports UART, BLE, MQTT, Modbus, CAN Bus and more.
Public repository of the Micro QuickJS Javascript Engine
Audio Tools (a powerful Audio library for Microcontrollers and the Desktop)
Cross-platform multi-protocol VPN software. Pull requests are welcome. The stable version is available at https://github.com/SoftEtherVPN/SoftEtherVPN_Stable.
low cost software radio platform
Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability/integration over time.
Next-gen AI+IoT framework for T2/T3/T5AI/ESP32/and more β Fast IoT and AI Agent hardware integration
ESP32βS3 airβquality station with LVGL UI, MQTT, Home Assistant
This firmware turns a cheap ESP32 board into a wireless AirPlay 2 speaker. Plug it into an amplifier or powered speakers and it shows up on your iPhone, iPad or Mac just like a HomePod or an AirPlay TV.
Distributed PostgreSQL as an extension
open-source IEEE 802.11 WiFi baseband FPGA (chip) design: driver, software
A board replacement for the classic Casio F-91W wristwatch
A collection of free-to-build handwired keyboard and macropad projects.
Arduino GFX developing for various color displays and various data bus interfaces
OpenFFBoard is a universal force feedback interface for DIY simulation devices
GTKWave is a fully featured GTK+ based wave viewer for Unix and Win32 which reads LXT, LXT2, VZT, FST, and GHW files as well as standard Verilog VCD/EVCD files and allows their viewing.
The Tulip Creative Computer and AMYboard - portable Python synthesizers
Open-source acoustic drone detection. It hears the propellers, not the radio, so it works against fibre-optic FPV aircraft that emit no signal at all.