domain: embedded-systems
1072 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| torvalds/linux The official source tree of the Linux kernel, the core of Linux operating systems that manages hardware, system resources, and fundamental … | 77 | 244454 | stable |
| balena-io/etcher balenaEtcher is a free, open-source desktop application for flashing OS images to SD cards and USB drives, built with Electron. It validate… | 83 | 34237 | active |
| OpenWrt OpenWrt is a Linux-based operating system (firmware distribution) for embedded devices, primarily wireless routers, providing a fully writa… | 98 | 28113 | stable |
| google/flatbuffers FlatBuffers is Google's cross-platform, memory-efficient serialization library that stores data in a binary format you can read directly wi… | 84 | 26411 | stable |
| lvgl/lvgl LVGL (Light and Versatile Graphics Library) is a free, MIT-licensed open-source embedded UI library written in C for building graphical use… | 81 | 24501 | stable |
| slint-ui/slint Slint is a declarative GUI toolkit for building native user interfaces for embedded devices, desktop, mobile, and web, with a custom .slint… | 93 | 23596 | stable |
| DarkFlippers/unleashed-firmware Unleashed Firmware is an unofficial custom firmware (CFW) for the Flipper Zero multitool device, written in C. It extends the stock firmwar… | 95 | 22122 | active |
| scottbez1/smartknob SmartKnob is an open-source haptic input knob combining a brushless gimbal motor and magnetic encoder with closed-loop torque control to si… | 23 | 22082 | active |
| MicroPython MicroPython is a lean, efficient implementation of Python 3 designed to run on microcontrollers and other constrained systems, fitting in a… | 91 | 22012 | stable |
| qmk/qmk_firmware QMK (Quantum Mechanical Keyboard) is open-source firmware for custom keyboards and other input devices, supporting Atmel AVR and ARM USB mi… | 77 | 20659 | stable |
| espressif/esp-idf ESP-IDF is the official development framework for Espressif SoCs such as the ESP32 series, providing toolchains, build system, RTOS compone… | 99 | 18876 | stable |
| wled/WLED WLED is a fast, feature-rich open-source firmware for ESP32 (and legacy ESP8266) microcontrollers that controls addressable RGB LED strips … | 93 | 18603 | active |
| tinygo-org/tinygo TinyGo is an alternative Go compiler based on LLVM designed for small places such as microcontrollers, WebAssembly (WASM/WASI), and compact… | 88 | 17670 | active |
| Marlin Firmware Marlin is open-source (GPL-3.0) firmware for RepRap 3D printers, CNC machines, and laser engravers, running on 8-bit AVR and 32-bit ARM mic… | 96 | 17550 | active |
| espressif/arduino-esp32 The official Arduino core that enables Arduino programming for the ESP32 family of SoCs, built on top of ESP-IDF. It provides board definit… | 93 | 17287 | stable |
| esp8266/Arduino An Arduino core that brings full Arduino support to the ESP8266 WiFi chip, letting users write standard Arduino sketches that run directly … | 66 | 16668 | active |
| flipperdevices/flipperzero-firmware The official open-source firmware for the Flipper Zero, a portable multi-tool device for interacting with access control systems. It implem… | 81 | 16515 | active |
| zephyrproject-rtos/zephyr Zephyr is a scalable, secure, real-time operating system (RTOS) designed for resource-constrained embedded devices across multiple hardware… | 94 | 16316 | stable |
| ArduPilot/ardupilot ArduPilot is an open-source autopilot firmware suite (ArduPlane, ArduCopter, ArduRover, ArduSub) written in C++ that controls unmanned vehi… | 98 | 15748 | stable |
| peng-zhihui/Dummy-Robot Dummy-Robot is a complete open-source design for a super-compact smart robotic arm, including 3D/CAD mechanical models, PCB hardware design… | 32 | 15429 | active |
| k2-fsa/sherpa-onnx sherpa-onnx is an offline speech processing toolkit built on next-gen Kaldi and onnxruntime, supporting speech-to-text, text-to-speech, spe… | 95 | 14411 | active |
| qemu/qemu QEMU is a generic open-source machine emulator and virtualizer written in C. It can emulate complete machines in software via dynamic trans… | 77 | 13632 | stable |
| Raspberry Pi Linux Kernel The Raspberry Pi fork of the Linux kernel source tree, containing patches and drivers for Raspberry Pi hardware. It is the upstream source … | 77 | 13104 | active |
| cesanta/mongoose Mongoose is a two-file C networking library and embedded web server providing HTTP, WebSocket, MQTT, TLS 1.3, and an optional built-in TCP/… | 94 | 13009 | stable |
| PX4/PX4-Autopilot PX4 is an open-source autopilot flight stack for drones and unmanned vehicles, supporting multirotors, fixed-wing, VTOL, rovers, and other … | 89 | 12499 | stable |
| RT-Thread/rt-thread RT-Thread is an open-source, community-based real-time operating system (RTOS) for IoT and embedded devices, written primarily in C. It com… | 75 | 12170 | stable |
| justcallmekoko/ESP32Marauder ESP32 Marauder is a suite of WiFi and Bluetooth offensive and defensive security tools distributed as firmware for ESP32-based hardware. It… | 99 | 12134 | active |
| Klipper3d/klipper Klipper is open-source firmware for 3D printers that combines a general-purpose computer (like a Raspberry Pi) with one or more micro-contr… | 76 | 11845 | stable |
| nasa/fprime F´ (F Prime) is a component-driven, flight-proven C++ framework from NASA JPL for rapidly developing and deploying spaceflight and other em… | 95 | 11695 | stable |
| esphome/esphome ESPHome is a system that turns ESP32, ESP8266, BK72xx, and RP2040 microcontrollers into smart home devices using simple YAML configuration … | 95 | 11609 | active |
| immortalwrt/immortalwrt ImmortalWrt is an open-source fork of OpenWrt, a Linux-based operating system for embedded network devices like WiFi routers. It targets ma… | 77 | 11498 | active |
| Betaflight Betaflight is open-source flight controller firmware for multi-rotor and fixed-wing RC craft, written in C for STM32-based boards, focusing… | 94 | 11463 | active |
| bellard/quickjs QuickJS is a small, embeddable JavaScript engine written in C that supports the ES2025 specification with near-complete test262 conformance… | 71 | 10947 | active |
| lua/lua The official development repository of Lua, a powerful, lightweight, embeddable scripting language implemented in C. It includes the langua… | 86 | 10256 | stable |
| Flipper-XFW/Xtreme-Firmware Xtreme Firmware is a feature-rich custom firmware for the Flipper Zero multitool device, written in C. It bundles many community apps, adde… | 10 | 9907 | active |
| MiCode/Xiaomi_Kernel_OpenSource Xiaomi's official open-source release of the Linux kernel sources for its phones and tablets, organized as one branch per device and Androi… | 76 | 9815 | active |
| embassy-rs/embassy Embassy is a next-generation embedded framework for Rust that uses async/await for cooperative multitasking on microcontrollers without an … | 77 | 9739 | active |
| ophub/amlogic-s9xxx-armbian A set of shell scripts and build tooling that produces Armbian (Debian/Ubuntu-based) images for Amlogic, Rockchip, and Allwinner ARM device… | 98 | 9678 | active |
| conan-io/conan Conan is a decentralized, open-source (MIT) package manager for C and C++ that manages dependencies and precompiled binaries across platfor… | 98 | 9493 | stable |
| peng-zhihui/ElectronBot ElectronBot is an open-source mini desktop robot inspired by EVE from WALL-E, featuring 6 degrees of freedom, USB communication, and a disp… | 34 | 9466 | active |
| hybridgroup/gobot Gobot is a Go framework for robotics, physical computing, drones, and IoT, supporting 35+ hardware platforms including Arduino, Raspberry P… | 58 | 9454 | active |
| PlatformIO PlatformIO Core is a cross-platform Python CLI and build system for embedded firmware development across many architectures (ESP32, ESP8266… | 80 | 9425 | active |
| cactus-compute/needle Needle 2 is a 45M-parameter open language model packaged as a single 14MB binary for tool calling, device use, and structured extraction on… | 59 | 9311 | active |
| Next-Flip/Momentum-Firmware Momentum Firmware is a feature-rich, stable, and highly customizable custom firmware for the Flipper Zero multitool device, written in C. I… | 75 | 9081 | active |
| dusty-nv/jetson-inference A C++/Python DNN inference library and tutorial guide ('Hello AI World') for deploying deep learning vision models on NVIDIA Jetson devices… | 44 | 8969 | stable |
| project-chip/connectedhomeip The official open-source SDK for Matter (formerly Project CHIP), the Connectivity Standards Alliance's IP-based smart home connectivity sta… | 90 | 8902 | active |
| Ralim/IronOS IronOS is open-source replacement firmware for portable soldering irons such as the Miniware TS100/TS80/TS101, Pinecil, and Sequre models. … | 69 | 8319 | stable |
| cross-rs/cross cross is a zero-setup CLI tool for cross compiling and cross testing Rust crates, using Docker or Podman containers to provide complete cro… | 67 | 8305 | active |
| Meshtastic Meshtastic is an open-source, off-grid mesh communication system that runs on inexpensive LoRa radios, enabling long-range encrypted text m… | 96 | 8212 | active |
| wren-lang/wren Wren is a small, fast, class-based concurrent scripting language implemented as an embeddable C library with a bytecode VM and lightweight … | 47 | 8122 | stable |
| joeycastillo/The-Open-Book The Open Book is an open-source e-reader hardware design built around the Raspberry Pi Pico and an e-paper display, intended to be assemble… | 32 | 8051 | active |
| NodeMCU NodeMCU is an open-source Lua-based interactive firmware for the ESP8266, ESP8285, and ESP32 WiFi SoCs, implemented in C on top of the Espr… | 62 | 7943 | active |
| hrvach/deskhop DeskHop is an open-source hardware/firmware project that turns two Raspberry Pi Pico (RP2040) boards into a fast KVM-like keyboard and mous… | 77 | 7882 | active |
| ggerganov/ggwave ggwave is a tiny C++ library that transmits small amounts of data over sound using an FSK-based protocol with error correction, playable an… | 70 | 7840 | active |
| EmenstaNougat/ESP32-BlueJammer ESP32-BlueJammer is firmware for an ESP32 paired with nRF24 modules that disrupts 2.4GHz communications (Bluetooth, BLE, WiFi, RC) by flood… | 50 | 7822 | active |
| idea4good/GuiLite GuiLite is a minimal header-only C++ GUI library of about 4,000 lines of code with zero dependencies, capable of running on everything from… | 44 | 7765 | active |
| FreeRTOS The classic FreeRTOS distribution, a real-time operating system for microcontrollers and small microprocessors that submodules the FreeRTOS… | 67 | 7723 | stable |
| merbanan/rtl_433 rtl_433 is a generic data receiver written in C that decodes radio transmissions from devices on ISM bands such as 433.92 MHz, 868 MHz, 315… | 74 | 7682 | active |
| kubeedge/kubeedge KubeEdge is a CNCF-graduated open-source framework built on Kubernetes that extends containerized application orchestration and device mana… | 97 | 7558 | stable |
| FastLED/FastLED FastLED is a fast, efficient C++ library for controlling addressable LED strips and pixels (WS2812/Neopixel, APA102, LPD8806, and many more… | 96 | 7476 | stable |
| crosspoint-reader/crosspoint-reader CrossPoint Reader is open-source, community-maintained e-reader firmware for ESP32-C3-based Xteink X3/X4 devices. It provides EPUB renderin… | 82 | 7358 | active |
| PaddlePaddle/Paddle-Lite Paddle Lite is a high-performance, lightweight deep learning inference engine from Baidu's PaddlePaddle ecosystem, designed for mobile, emb… | 58 | 7273 | active |
| tzapu/WiFiManager An Arduino library for ESP8266 and ESP32 that manages WiFi connections with a fallback web-based captive configuration portal. When saved c… | 54 | 7250 | active |
| bblanchon/ArduinoJson ArduinoJson is a C++ JSON library designed for Arduino and embedded/IoT platforms, providing efficient JSON and MessagePack serialization a… | 85 | 7206 | stable |
| Serial-Studio/Serial-Studio Serial Studio is an open-source cross-platform telemetry dashboard application that turns data from embedded devices and industrial buses i… | 97 | 7158 | active |
| hathach/tinyusb TinyUSB is an open-source, cross-platform USB Host and Device stack for embedded systems written in C. It is designed for memory safety (no… | 88 | 7055 | stable |
| Mbed-TLS/mbedtls Mbed TLS is a portable C library implementing TLS, DTLS, and X.509 certificate handling, plus a reference implementation of the PSA Cryptog… | 92 | 6918 | stable |
| littlefs-project/littlefs littlefs is a small fail-safe filesystem library written in C, designed for microcontrollers and flash storage. It provides power-loss resi… | 75 | 6909 | stable |
| peng-zhihui/HelloWord-Keyboard An open-source modular smart mechanical keyboard project (Hanwen/HelloWord) including full hardware design files (10 PCBs, enclosures, 3D m… | 32 | 6655 | active |
| U8g2 U8g2 is a monochrome graphics library for embedded devices, supporting a wide range of OLED and LCD display controllers with drawing primit… | 77 | 6648 | stable |
| espressif/esptool esptool is a Python-based, platform-independent serial utility for flashing firmware, provisioning, and interacting with Espressif SoCs suc… | 97 | 6457 | stable |
| tock/tock Tock is an embedded operating system for low-power, low-memory microcontrollers that runs multiple concurrent, mutually distrustful applica… | 67 | 6423 | active |
| FASTSHIFT/X-TRACK An open-source GPS bicycle computer (speedometer) built on an AT32F435 MCU with an LVGL-based UI, supporting offline maps, real-time positi… | 46 | 6277 | active |
| lmarzen/esp32-weather-epd A low-power weather display firmware for an ESP32 microcontroller driving a 7.5-inch E-Paper panel, fetching data from the OpenWeatherMap A… | 74 | 6242 | active |
| gnuradio/gnuradio GNU Radio is a free and open-source signal processing runtime and development toolkit for building software-defined radios and simulating w… | 67 | 6236 | stable |
| MichaIng/DietPi DietPi is an extremely lightweight Debian-based Linux distribution optimised for minimal CPU and RAM usage on single-board computers (Raspb… | 98 | 6222 | stable |
| TianoCore EDK II EDK II is TianoCore's open-source, cross-platform firmware development environment implementing the UEFI and PI specifications. It provides… | 90 | 6214 | active |
| bellard/mquickjs MicroQuickJS is a compact JavaScript engine written in C, derived from QuickJS, designed for embedded systems with as little as 10 kB of RA… | 54 | 6130 | active |
| wasm-micro-runtime/wasm-micro-runtime WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly runtime with a small footprint, supporting interpreter, AOT, and J… | 92 | 6075 | active |
| qilingframework/qiling Qiling is a Python-based binary emulation framework built on Unicorn Engine that emulates executables across multiple platforms (Windows, m… | 79 | 6075 | active |
| RIOT-OS/RIOT RIOT is an open-source, vendor-independent operating system for Internet of Things and embedded devices, supporting 8/16/32-bit microcontro… | 95 | 5778 | active |
| memovai/mimiclaw MimiClaw is a bare-metal AI agent framework written in pure C that runs an OpenClaw-style personal AI assistant on a $5 ESP32-S3 microcontr… | 69 | 5731 | active |
| seL4/seL4 seL4 is a formally verified microkernel operating system kernel written in C, providing high-assurance isolation and capability-based secur… | 89 | 5717 | active |
| geo-tp/ESP32-Bit-Pirate ESP32 Bit Pirate is open-source C++ firmware that turns an ESP32-S3 board into a multi-protocol hardware debugging and analysis workbench, … | 84 | 5634 | active |
| mruby/mruby mruby is a lightweight implementation of the Ruby programming language, ISO-standard compliant and Ruby 4.x syntax compatible, written in C… | 77 | 5601 | stable |
| nanopb/nanopb Nanopb is a small code-size Protocol Buffers implementation in plain ANSI C, designed for microcontrollers and other memory-constrained sys… | 88 | 5537 | stable |
| armbian/build The official build framework for the Armbian Linux distribution, a shell-based toolchain that compiles customizable Debian- or Ubuntu-based… | 95 | 5378 | active |
| portapack-mayhem/mayhem-firmware Mayhem is open-source firmware for the HackRF One combined with the PortaPack H1/H2/H4/H4M add-on, turning the SDR into a standalone touchs… | 83 | 5361 | active |
| ThrowTheSwitch/Unity Unity is a lightweight unit testing framework for C, distributed as a single C file and a pair of headers with a rich set of assertion macr… | 86 | 5356 | stable |
| warmcat/libwebsockets Libwebsockets is a lightweight, pure C networking library providing client and server implementations for HTTP/1, HTTP/2, HTTP/3, WebSocket… | 77 | 5320 | stable |
| u-boot/u-boot Das U-Boot is a widely used open-source bootloader for embedded boards based on PowerPC, ARM, MIPS, and other processors. It is installed i… | 77 | 5208 | active |
| blinker-iot/blinker-library Blinker is an IoT solution library for embedded hardware such as Arduino, ESP8266, and ESP32, providing device-side connectivity via WiFi, … | 67 | 5194 | active |
| stlink-org/stlink An open-source toolset for programming and debugging STM32 microcontrollers via STLINK programmer hardware, including flash tools, a GDB se… | 66 | 5145 | active |
| Arduino-IRremote/Arduino-IRremote An Arduino library for sending and receiving infrared remote control signals across many IR protocols. It lets Arduino sketches decode sign… | 87 | 5019 | stable |
| kokke/tiny-AES-c A small, portable implementation of AES encryption (128/192/256-bit) in C99, supporting ECB, CBC, and CTR modes. It is designed for minimal… | 23 | 5000 | stable |
| Raspberry Pi Pico SDK The official C/C++ SDK for Raspberry Pi Pico and other RP-series microcontrollers, providing headers, libraries, and a CMake-based build sy… | 88 | 4940 | stable |
| gusmanb/logicanalyzer An open-source 24-channel, 100Msps logic analyzer combining custom hardware (based on Raspberry Pi Pico) with Python-based capture and anal… | 79 | 4932 | active |
| Bodmer/TFT_eSPI An Arduino and PlatformIO compatible TFT display library optimized for ESP8266, ESP32, RP2040 (Raspberry Pi Pico), and STM32 microcontrolle… | 57 | 4888 | active |
| rosedblabs/rosedb RoseDB is a lightweight, fast and reliable key/value storage engine written in Go, based on the Bitcask storage model with append-only WAL-… | 55 | 4885 | stable |
| open-sdr/openwifi Open-source full-stack IEEE 802.11/Wi-Fi design based on Software Defined Radio, including a Linux mac80211-compatible driver and software,… | 68 | 4772 | active |
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