Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 105 by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Espressif IoT Development Framework. Official development framework for Espressif SoCs.
Flipper Zero Unleashed Firmware
An opensource OpenWrt variant for mainland China users.
BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.
TranslatedMy ultra-mini robotic arm project.
Flipper Zero firmware source code
Open Source Flight Controller Firmware
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
Eclipse Mosquitto - An open source MQTT broker
Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/
Open-source keyboard firmware for Atmel AVR and Arm USB families
RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/
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.
Affordable WiFi hacking platform for testing and learning
Embedded web server, with TCP/IP network stack, MQTT and Websocket
DroneBridge for ESP32. A secure & transparent telemetry link with support for WiFi and ESP-NOW. Supporting MAVLink, MSP, LTM or any other protocol
ESP32 Music streaming based on Squeezelite, with support for multi-room sync, AirPlay, Bluetooth, Hardware buttons, display and more
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
Implementations of SIMD instruction sets for systems which don't natively support them.
RIOT - The friendly OS for IoT
The libgphoto2 camera access and control library.
An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino
🔥 比libevent/libuv/asio更易用的网络库。A c/c++ network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT/Redis client/server.
Linux-CAN / SocketCAN user space applications
Play mp3 files from SD via I2S
A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
CircuitPython - a Python implementation for teaching coding with microcontrollers
:airplane: Multi-functional, compatible DIY general aviation proximity awareness system
Store and access data published by OwnTracks apps
Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, Alibaba Tair, Redpanda, YDB and StarRocks
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico
µStreamer - Lightweight and fast MJPEG-HTTP streamer
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers.
An ultra-lightweight Python interpreter that runs with only 4KB of RAM, zero dependencies. It is ready to use out of the box without any configuration required and easy to extend with C. Similar project: MicroPython, JerryScript.
Ultra-lightweight JavaScript engine for the Internet of Things.
FW for ESP8266/ESP8285/ESP32 used with 3D printer
Retro ESP32 is a turbo charged Odroid Go Launcher, Emulator and ROM Manager
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
id Software's Quake 2 v3.21 with mission packs and Vulkan support (Windows, Linux, macOS, FreeBSD, Raspberry Pi 4)
DroneBridge is a system based on the WifiBroadcast approach. A bidirectional digital radio link between two endpoints is established using standard WiFi hardware and a custom protocol. DroneBridge is optimized for use in UAV applications and is a complete system. It is intended be a real alternative to other similar systems, such as DJI Lightbridge or OcuSync.
FM-RDS transmitter using the Raspberry Pi's PWM
Embedded JavaScript engine for C/C++
Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrated. Code in C or JavaScript.
An Embedded NoSQL, Transactional Database Engine
GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL
A testing micro framework for creating function test doubles
A system that uses ESP-NOW, LoRa, and other protocols to transport sensor data in remote areas without relying on WiFi.
Camera API for micropython as user module, with precompiled FW, starting with the esp32 port.
Gear-Lib, C library for IOT Embedded Multimedia and Network
data compression library for embedded/real-time systems
For interfacing with Windows/macOS/Linux using an ESP32, a touchscreen and BLE.
ᛡᛒ BLE Scanner + Data persistence on SD Card for M5Stack, M5Core2, Odroid-Go, ESP32-Wrover-Kit and other models
:snowboarder: EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).
Yet another Linux distribution for voice-enabled IoT and embrace Web standards
Espressif ESP32 Based Smarthome screen for MQTT
Small configuration file parser library for C.
A portable MQTT C client for embedded systems and PCs alike.
A BLE to MQTT bridge running on an ESP32
SDK for connecting to AWS IoT from a device using embedded C.
Gibson Environments: Real-World Perception for Embodied Agents
The Official MongoDB driver for C language
JSON parser and generator for C/C++ with scanf/printf like interface. Targeting embedded systems.
Small & portable byte-aligned LZ77 compression
Ultra High-performance Lightweight Embedded and Server OLTP RDBMS✨
Machine Learning and Digital Signal Processing for MicroPython
Emgo: Bare metal Go (language for programming embedded systems)
Send arbitrary IEEE 802.11 frames with Espressif's ESP32
add camera support to MicroPython
a numpy-like fast vector module for micropython, circuitpython, and their derivatives
Control your Spotify player from a ESP8266 with color touch display
A little Spotify remote to remind you that there's a lot of music out there.
A many speaker distributed music synthesizer using UDP multicast over WiFi
🧠 SuperGreenOS home farming automation software for esp32, all in one package, and controllable from your smartphone, pc, mac, linux, toaster, plumbus, whatnot...
Tamp is a low-memory, DEFLATE-inspired lossless compression library.
Full featured TFT library for ESP32 with demo application
Fast integer compression in C using the StreamVByte codec
piVCCU is a project to install the original Homematic CCU3 firmware inside a virtualized container (lxc) on ARM based single board computers.
Compile WebAssembly to native MicroPython modules
Red Canary's eBPF Sensor
Tiny, zero-allocation JSON serializer written in ANSI C
Make your Sonoff Switch compatible with Apple Homekit! 🎉