Open-source embedded-systems software
1075 open-source libraries, tools and applications tagged embedded-systems, ranked by how closely embedded-systems is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1075 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 | 251470 | 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… | 80 | 26561 | stable |
| LVGL LVGL is a free, open‑source graphics library for building embedded user interfaces on MCUs and MPUs. It provides a rich set of widgets, ani… | 90 | 24981 | active |
| LVGL LVGL (Light and Versatile Graphics Library) is a free, MIT-licensed open-source embedded UI library written in C for building graphical use… | 90 | 24981 | stable |
| Unleashed Firmware Unleashed is an open‑source alternative firmware for the Flipper Zero handheld hacking tool. It adds extensive radio protocol support, a la… | 94 | 22491 | active |
| Unleashed Firmware Unleashed Firmware is an unofficial custom firmware (CFW) for the Flipper Zero multitool device, written in C. It extends the stock firmwar… | 94 | 22491 | 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 | 22162 | active |
| 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… | 75 | 20731 | stable |
| ESP-IDF ESP-IDF is the official development framework for Espressif SoCs such as the ESP32 series, providing toolchains, build system, RTOS compone… | 98 | 19217 | stable |
| WLED WLED is a fast, feature-rich open-source firmware for ESP32 (and legacy ESP8266) microcontrollers that controls addressable RGB LED strips … | 90 | 18773 | 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… | 92 | 17801 | 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… | 100 | 17625 | 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… | 94 | 17512 | stable |
| 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… | 79 | 16718 | active |
| esp8266/Arduino An Arduino core that brings full Arduino support to the ESP8266 WiFi chip, letting users write standard Arduino sketches that run directly … | 64 | 16687 | active |
| Zephyr RTOS Zephyr is a scalable, secure, real-time operating system (RTOS) designed for resource-constrained embedded devices across multiple hardware… | 91 | 16683 | stable |
| ArduPilot ArduPilot is an open-source autopilot firmware suite (ArduPlane, ArduCopter, ArduRover, ArduSub) written in C++ that controls unmanned vehi… | 100 | 16081 | stable |
| 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 | 15569 | 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… | 94 | 15357 | 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… | 75 | 13764 | stable |
| Cactus Needle 2 is a 45M-parameter open language model packaged as a single 14MB binary for tool calling, device use, and structured extraction on… | 60 | 13581 | 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/… | 92 | 13080 | stable |
| Marauder ESP32 Marauder is a suite of WiFi and Bluetooth offensive and defensive security tools distributed as firmware for ESP32-based hardware. It… | 99 | 12834 | active |
| PX4/PX4-Autopilot PX4 is an open-source autopilot flight stack for drones and unmanned vehicles, supporting multirotors, fixed-wing, VTOL, rovers, and other … | 87 | 12829 | 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… | 90 | 12286 | stable |
| 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… | 77 | 11977 | stable |
| ESPHome ESPHome is a system that turns ESP32, ESP8266, BK72xx, and RP2040 microcontrollers into smart home devices using simple YAML configuration … | 95 | 11912 | active |
| 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… | 99 | 11822 | stable |
| 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 | 11751 | 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 | 11637 | active |
| bellard/quickjs QuickJS is a small, embeddable JavaScript engine written in C that supports the ES2025 specification with near-complete test262 conformance… | 76 | 11015 | active |
| lua/lua The official development repository of Lua, a powerful, lightweight, embeddable scripting language implemented in C. It includes the langua… | 85 | 10388 | stable |
| 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… | 99 | 10168 | active |
| Embassy Embassy is a next-generation embedded framework for Rust that uses async/await for cooperative multitasking on microcontrollers without an … | 77 | 9984 | active |
| 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 | 9900 | active |
| 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… | 75 | 9858 | active |
| Conan Conan is a decentralized, open-source (MIT) package manager for C and C++ that manages dependencies and precompiled binaries across platfor… | 98 | 9534 | 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… | 32 | 9511 | active |
| PlatformIO PlatformIO Core is a cross-platform Python CLI and build system for embedded firmware development across many architectures (ESP32, ESP8266… | 85 | 9481 | active |
| hybridgroup/gobot Gobot is a Go framework for robotics, physical computing, drones, and IoT, supporting 35+ hardware platforms including Arduino, Raspberry P… | 51 | 9476 | active |
| Momentum Firmware Momentum Firmware is a feature-rich, stable, and highly customizable custom firmware for the Flipper Zero multitool device, written in C. I… | 70 | 9166 | active |
| jetson-inference A C++/Python DNN inference library and tutorial guide ('Hello AI World') for deploying deep learning vision models on NVIDIA Jetson devices… | 40 | 9015 | stable |
| Matter SDK The official open-source SDK for Matter (formerly Project CHIP), the Connectivity Standards Alliance's IP-based smart home connectivity sta… | 90 | 8971 | 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… | 45 | 8594 | active |
| Meshtastic Meshtastic is an open-source, off-grid mesh communication system that runs on inexpensive LoRa radios, enabling long-range encrypted text m… | 94 | 8446 | active |
| CrossPoint Reader CrossPoint Reader is open-source, community-maintained e-reader firmware for ESP32-C3-based Xteink X3/X4 devices. It provides EPUB renderin… | 83 | 8433 | active |
| Ralim/IronOS IronOS is open-source replacement firmware for portable soldering irons such as the Miniware TS100/TS80/TS101, Pinecil, and Sequre models. … | 65 | 8368 | stable |
| 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… | 66 | 8330 | active |
| Wren Wren is a small, fast, class-based concurrent scripting language implemented as an embeddable C library with a bytecode VM and lightweight … | 43 | 8141 | stable |
| 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 | 8093 | 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… | 58 | 7945 | 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… | 83 | 7929 | active |
| 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… | 64 | 7897 | active |
| 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… | 70 | 7815 | active |
| 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… | 41 | 7778 | active |
| KubeEdge KubeEdge is a CNCF-graduated open-source framework built on Kubernetes that extends containerized application orchestration and device mana… | 95 | 7609 | stable |
| FastLED/FastLED FastLED is a fast, efficient C++ library for controlling addressable LED strips and pixels (WS2812/Neopixel, APA102, LPD8806, and many more… | 100 | 7513 | stable |
| Paddle Lite Paddle Lite is a high-performance, lightweight deep learning inference engine from Baidu's PaddlePaddle ecosystem, designed for mobile, emb… | 55 | 7277 | 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… | 50 | 7271 | 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… | 83 | 7222 | 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 | 7221 | active |
| bblanchon/ArduinoJson ArduinoJson is a C++ JSON library designed for Arduino and embedded/IoT platforms, providing efficient JSON and MessagePack serialization a… | 87 | 7221 | 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… | 84 | 6973 | stable |
| Mbed TLS Mbed TLS is a portable C library implementing TLS, DTLS, and X.509 certificate handling, plus a reference implementation of the PSA Cryptog… | 92 | 6963 | stable |
| U8g2 U8g2 is a monochrome graphics library for embedded devices, supporting a wide range of OLED and LCD display controllers with drawing primit… | 75 | 6691 | 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 | 6663 | active |
| esptool esptool is a Python-based, platform-independent serial utility for flashing firmware, provisioning, and interacting with Espressif SoCs suc… | 99 | 6511 | stable |
| Tock OS Tock is an embedded operating system for low-power, low-memory microcontrollers that runs multiple concurrent, mutually distrustful applica… | 88 | 6467 | active |
| TianoCore EDK II EDK II is TianoCore's open-source, cross-platform firmware development environment implementing the UEFI and PI specifications. It provides… | 88 | 6349 | active |
| DietPi DietPi is an extremely lightweight Debian-based Linux distribution optimised for minimal CPU and RAM usage on single-board computers (Raspb… | 98 | 6331 | stable |
| 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… | 70 | 6314 | 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… | 42 | 6303 | active |
| GNU Radio GNU Radio is a free and open-source signal processing runtime and development toolkit for building software-defined radios and simulating w… | 67 | 6292 | stable |
| 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… | 60 | 6193 | active |
| Wasm Micro Runtime WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly runtime with a small footprint, supporting interpreter, AOT, and J… | 89 | 6133 | active |
| qilingframework/qiling Qiling is a Python-based binary emulation framework built on Unicorn Engine that emulates executables across multiple platforms (Windows, m… | 85 | 6110 | active |
| 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, … | 86 | 6078 | active |
| RIOT OS RIOT is an open-source, vendor-independent operating system for Internet of Things and embedded devices, supporting 8/16/32-bit microcontro… | 93 | 5820 | active |
| seL4/seL4 seL4 is a formally verified microkernel operating system kernel written in C, providing high-assurance isolation and capability-based secur… | 85 | 5768 | 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… | 64 | 5757 | 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 | 5617 | stable |
| Raspberry Pi Firmware & Kernel The Raspberry Pi fork of the Linux kernel source tree, containing patches and drivers for Raspberry Pi hardware. It is the upstream source … | 92 | 5577 | active |
| nanopb/nanopb Nanopb is a small code-size Protocol Buffers implementation in plain ANSI C, designed for microcontrollers and other memory-constrained sys… | 83 | 5568 | stable |
| PortaPack Mayhem 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… | 80 | 5475 | active |
| Armbian The official build framework for the Armbian Linux distribution, a shell-based toolchain that compiles customizable Debian- or Ubuntu-based… | 95 | 5469 | 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… | 81 | 5394 | stable |
| warmcat/libwebsockets Libwebsockets is a lightweight, pure C networking library providing client and server implementations for HTTP/1, HTTP/2, HTTP/3, WebSocket… | 76 | 5331 | 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 | 5286 | active |
| blinker Blinker is an IoT solution library for embedded hardware such as Arduino, ESP8266, and ESP32, providing device-side connectivity via WiFi, … | 66 | 5204 | 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 | 5179 | 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… | 81 | 5044 | 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… | 75 | 5018 | active |
| 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 | 5017 | 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… | 87 | 4972 | stable |
| TFT_eSPI An Arduino and PlatformIO compatible TFT display library optimized for ESP8266, ESP32, RP2040 (Raspberry Pi Pico), and STM32 microcontrolle… | 53 | 4933 | 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-… | 49 | 4887 | stable |
| OpenWiFi Open-source full-stack IEEE 802.11/Wi-Fi design based on Software Defined Radio, including a Linux mac80211-compatible driver and software,… | 66 | 4809 | active |
| Chisel Chisel is an open-source hardware description language (HDL) embedded in Scala for describing digital electronics at the register-transfer … | 98 | 4807 | stable |
| OSS CAD Suite Yosys is an open-source framework for Verilog/SystemVerilog RTL synthesis, converting hardware description code into gate-level netlists fo… | 97 | 4788 | stable |
| armink/EasyLogger EasyLogger is an ultra-lightweight, high-performance C/C++ logging library designed for resource-constrained projects like IoT products, we… | 63 | 4760 | stable |
page 1 / 11 next →