Open-source iot software
536 open-source libraries, tools and applications tagged iot, ranked by how closely iot 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.
536 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| ruvnet/RuView RuView is a Rust‑based platform that uses WiFi CSI from ESP32 devices to infer presence, pose, breathing and heart‑rate without cameras. It… | 82 | 98510 | active |
| Home Assistant Home Assistant is an open‑source home automation platform that runs locally on your hardware. It integrates thousands of devices and servic… | 95 | 91576 | active |
| XiaoZhi AI Chatbot XiaoZhi is an open-source MCP-based AI voice chatbot firmware for ESP32-family microcontrollers, connecting large language models like Qwen… | 91 | 31445 | active |
| XiaoZhi AI Chatbot XiaoZhi is an ESP32‑based chatbot that runs large language models via the MCP protocol, offering voice interaction, device control, and mul… | 91 | 31445 | active |
| Tasmota Tasmota is an open-source alternative firmware for ESP8266 and ESP32-based devices, providing a web UI, OTA updates, and automation via tim… | 92 | 24805 | stable |
| MagicMirrorOrg/MagicMirror MagicMirror² is an open source modular smart mirror platform that turns a display behind a two-way mirror into a personal assistant display… | 95 | 24142 | active |
| Node-RED Node-RED is a low-code, flow-based programming tool that lets you wire together hardware devices, APIs and online services. It provides a b… | 96 | 23680 | 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 |
| XiaoMi/ha_xiaomi_home An official Xiaomi Home integration component for Home Assistant that enables control of Xiaomi IoT smart devices within Home Assistant. It… | 89 | 22149 | active |
| 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 firmware for ESP32/ESP8266 that turns the microcontroller into a Wi‑Fi‑controlled LED controller. It provides … | 90 | 18773 | active |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| ESPHome ESPHome is a system that turns ESP32, ESP8266, BK72xx, and RP2040 microcontrollers into smart home devices using simple YAML configuration … | 95 | 11912 | active |
| PiKVM PiKVM is an open-source KVM-over-IP solution built on Raspberry Pi that lets you remotely control servers and workstations (keyboard, video… | 77 | 10390 | stable |
| Embassy Embassy is a next-generation embedded framework for Rust that uses async/await for cooperative multitasking on microcontrollers without an … | 77 | 9984 | active |
| JPL Open Source Rover The JPL Open Source Rover is a build-it-yourself, scaled-down 6-wheel rover based on the design JPL uses to explore Mars, made entirely fro… | 65 | 9660 | active |
| francescopace/espectre ESPectre is an open-source motion detection system that analyzes Wi-Fi Channel State Information (CSI) on ESP32 devices to detect movement … | 84 | 9636 | active |
| Pwnagotchi Pwnagotchi is an A2C deep reinforcement learning agent built on bettercap that learns from its surrounding WiFi environment to maximize cap… | 63 | 9223 | 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 |
| 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 |
| AI on the Edge Device A firmware application for ESP32-CAM boards that uses TensorFlow Lite CNNs on-device to digitize analog utility meters (water, gas, electri… | 74 | 8865 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| wzpan/wukong-robot wukong-robot is a modular Chinese-language voice assistant / smart speaker project in Python that combines offline wake-word detection, ASR… | 32 | 7127 | active |
| 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 |
| Bruce Bruce is an open-source (AGPL-3.0) ESP32 firmware packed with offensive-security and Red Team tools such as WiFi attacks, Evil Portal, ward… | 88 | 6946 | active |
| OpenMower OpenMower is an open-source project that converts cheap off-the-shelf robotic lawn mowers into smart, RTK GPS-guided mowing robots by repla… | 83 | 6727 | active |
| 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 |
| Tock OS Tock is an embedded operating system for low-power, low-memory microcontrollers that runs multiple concurrent, mutually distrustful applica… | 88 | 6467 | 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 |
| Bjorn Bjorn is an autonomous network scanning and offensive security tool that runs on a Raspberry Pi with a 2.13-inch e-Paper HAT. It discovers … | 58 | 6328 | 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… | 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 |
| 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 |
| 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 |
| omriharel/deej deej is an open-source hardware volume mixer consisting of a lightweight Go desktop client paired with a DIY Arduino-based slider board. It… | 23 | 5513 | active |
| ExpressLRS ExpressLRS is an open source radio control link firmware for RC applications, built on Semtech SX127x/SX1280 LoRa hardware with Espressif o… | 90 | 5399 | active |
| martin-ger/esp_wifi_repeater Firmware for the ESP8266/ESP8285 that turns the chip into a full WiFi NAT router and, in a separate edition, a true L2-bridge WiFi repeater… | 67 | 5257 | 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 |
| 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 |
| TFT_eSPI An Arduino and PlatformIO compatible TFT display library optimized for ESP8266, ESP32, RP2040 (Raspberry Pi Pico), and STM32 microcontrolle… | 53 | 4933 | active |
| Sesame Robot Sesame is an open-source, 3D-printable mini quadruped robot powered by an ESP32 microcontroller and eight servo motors, featuring an expres… | 59 | 4627 | active |
| FreeRTOS The classic FreeRTOS distribution, a real-time operating system for microcontrollers and small microprocessors that submodules the FreeRTOS… | 82 | 4559 | stable |
| guysoft/FullPageOS FullPageOS is a Raspberry Pi distribution that boots directly into a full-screen Chromium browser displaying a single webpage. It is built … | 61 | 4484 | active |
| blinker-iot/blinker-py Blinker is a Python library for connecting hardware devices like Raspberry Pi and Banana Pi to the Blinker IoT platform. It supports commun… | 34 | 4440 | active |
| dqlite dqlite is a C library implementing an embeddable, replicated SQL database engine that extends SQLite across a cluster of machines using the… | 89 | 4395 | active |
| blinker Blinker is a JavaScript/TypeScript SDK for connecting hardware devices (like Raspberry Pi) to the Blinker IoT platform via MQTT or local ne… | 34 | 4380 | active |
| blinker-iot/blinker-esp-idf Blinker is an IoT solution library for embedded hardware, provided as ESP-IDF components for ESP8266 and ESP32. It enables devices to conne… | 34 | 4290 | active |
| zmkfirmware/zmk ZMK Firmware is an open source (MIT) keyboard firmware built on the Zephyr RTOS, designed for modern wireless (BLE) and wired mechanical ke… | 74 | 4286 | active |
| INAV INAV is open-source navigation-enabled flight controller firmware for drones, planes, and other RC aircraft. It provides autopilot features… | 86 | 4268 | active |
| fatihak/InkyPi InkyPi is an open-source E-Ink display application that runs on a Raspberry Pi and is controlled through a web interface. It supports plugi… | 67 | 4254 | active |
| scottbez1/splitflap An open-source DIY split-flap display project based on ESP32, including mechanical designs (OpenSCAD), electronics (KiCad), and firmware (A… | 74 | 4153 | active |
| cifertech/ESP32-DIV ESP32-DIV is open-source firmware (with open schematics and PCB files) for a custom ESP32-S3 handheld device that bundles Wi-Fi, BLE, 2.4GH… | 86 | 4146 | active |
| 1technophile/OpenMQTTGateway OpenMQTTGateway is an open-source firmware that turns ESP8266/ESP32 boards (and computers) into a unified MQTT gateway bridging many protoc… | 73 | 4100 | active |
| apache/nuttx Apache NuttX is a mature, open-source real-time operating system (RTOS) for embedded systems with an emphasis on POSIX/ANSI standards compl… | 77 | 4071 | stable |
| openthread/openthread OpenThread is Google's open-source, Thread Certified implementation of the Thread networking protocol, covering all Thread networking layer… | 99 | 4051 | stable |
| Blynk-Technologies/blynk-library Blynk's official C++ client library that connects over 400 IoT hardware boards (Arduino, ESP32, ESP8266, Raspberry Pi, Particle, etc.) to t… | 90 | 3990 | stable |
| MeshCore MeshCore is a lightweight C++ library and firmware implementing a hybrid multi-hop mesh routing protocol for LoRa packet radios, enabling e… | 84 | 3910 | active |
| domoticz/domoticz Domoticz is a free, open-source home automation system written in C++ that monitors and controls lights, switches, and sensors for temperat… | 95 | 3822 | stable |
| StuckAtPrototype Racer An open-source hardware and firmware project for a tiny PCB-based RC car built around the ESP32-H2, including KiCad schematics, gerbers, 3D… | 41 | 3786 | active |
| crankyoldgit/IRremoteESP8266 An Arduino library for ESP8266 and ESP32 that enables sending and receiving infrared remote control signals using common 940nm IR LEDs and … | 70 | 3626 | stable |
| ESPEasy ESPEasy is open-source firmware for ESP8266 and ESP32 microcontrollers that turns them into easy-to-configure multi-sensor and actuator dev… | 87 | 3617 | active |
| MuShibo/Micro-Wheeled_leg-Robot An open-source desktop two-wheeled legged robot project with full mechanical, PCB, and firmware designs. It is built around an ESP32 runnin… | 24 | 3605 | active |
| make-all/tuya-local A Home Assistant custom integration that provides local network control of Tuya-based smart home devices without routing through the Tuya c… | 99 | 3583 | active |
| SpacehuhnTech/esp8266_deauther ESP8266 Deauther is open-source firmware that turns an ESP8266 microcontroller into a WiFi testing tool capable of scanning networks, sendi… | 23 | 14997 | maintenance |
| Eclipse ThreadX Eclipse ThreadX is an advanced real-time operating system (RTOS) for deeply embedded applications, featuring a picokernel architecture, pre… | 90 | 3538 | active |
| ob-f/OpenBot OpenBot is an open-source project that turns Android smartphones into the brains of low-cost robots, paired with a ~$50 electric vehicle bo… | 64 | 3505 | active |
| basnijholt/adaptive-lighting A Home Assistant custom integration that automatically adjusts light brightness and color temperature based on the sun's position, with man… | 97 | 3493 | active |
| adafruit/Adafruit_NeoPixel An Arduino library for controlling single-wire LED pixels and strips such as NeoPixels, WS2812, and Adafruit FLORA pixels. It supports a wi… | 76 | 3424 | stable |
| InfiniTime InfiniTime is open-source firmware for the PineTime smartwatch, written in modern C++ on top of FreeRTOS for the nRF52 microcontroller. It … | 83 | 3401 | active |
| ZSWatch ZSWatch is a fully open-source smartwatch project covering both hardware (KiCad PCB designs) and firmware written in C on the Zephyr RTOS w… | 83 | 3375 | active |
| stm32duino/Arduino_Core_STM32 The official Arduino core that adds STM32 microcontroller support to the Arduino IDE, built on STM32Cube HAL/LL APIs, CMSIS, and the GNU Ar… | 85 | 3361 | active |
| atc1441/ATC_MiThermometer Custom open-source firmware for the Xiaomi LYWSD03MMC Bluetooth thermometer/hygrometer, plus a web-based Telink OTA flasher and a Python US… | 34 | 3346 | active |
| cpaczek/skylight Skylight is a real-time aircraft visualization application that decodes ADS-B signals from an RTL-SDR radio receiver and projects live over… | 59 | 3339 | active |
| speedyg0nz/MagInkCal MagInkCal is a DIY E-Ink magic calendar application that syncs events from Google Calendar and renders them onto a Waveshare 12.48" tri-col… | 32 | 3271 | stable |
| GladysAssistant/Gladys Gladys Assistant is a privacy-first, open-source smart home platform that runs locally via Docker on a mini-PC, NAS, or Raspberry Pi. It of… | 95 | 3237 | active |
| Johnny-Five Johnny-Five is a Firmata protocol-based JavaScript robotics and IoT programming framework for Node.js. It provides composable, consistent A… | 23 | 13409 | maintenance |
| T-vK/ESP32-BLE-Keyboard An Arduino-compatible C++ library that turns an ESP32 into a Bluetooth LE (BLE) keyboard. It lets sketches send keystrokes, text, individua… | 23 | 3163 | active |
| HeyWillow/willow Willow is an open source, self-hosted voice assistant platform for ESP32-S3-BOX hardware, designed as a privacy-focused alternative to Amaz… | 84 | 3127 | active |
| TensorFlow Lite for Microcontrollers TensorFlow Lite for Microcontrollers (TFLM) is a C++ port of TensorFlow Lite for running ML models on microcontrollers, DSPs, and other mem… | 76 | 3098 | active |
| simplefoc/Arduino-FOC SimpleFOC is an Arduino/PlatformIO C++ library implementing Field Oriented Control (FOC) for BLDC and stepper motors. It supports many moto… | 71 | 3042 | active |
| Home Accessory Architect HAA (Home Accessory Architect) is firmware that adds native Apple HomeKit support and custom configurations to ESP32 and ESP8266 based devi… | 96 | 3005 | active |
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