Ranked by Attention Score: stars gained over the last 180 complete days
96 repositories by Attention Score · May 8, 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.
Flipper Zero firmware source code
TranslatedMy ultra-mini robotic arm project.
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
Open-source keyboard firmware for Atmel AVR and Arm USB families
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/
Eclipse Mosquitto - An open source MQTT broker
RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/
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
An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino
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.
Linux-CAN / SocketCAN user space applications
Play mp3 files from SD via I2S
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)
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
µStreamer - Lightweight and fast MJPEG-HTTP streamer
:airplane: Multi-functional, compatible DIY general aviation proximity awareness system
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
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
Store and access data published by OwnTracks apps
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.
FW for ESP8266/ESP8285/ESP32 used with 3D printer
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.
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.
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.
FM-RDS transmitter using the Raspberry Pi's PWM
Gear-Lib, C library for IOT Embedded Multimedia and Network
An Embedded NoSQL, Transactional Database Engine
data compression library for embedded/real-time systems
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
id Software's Quake 2 v3.21 with mission packs and Vulkan support (Windows, Linux, macOS, FreeBSD, Raspberry Pi 4)
A testing micro framework for creating function test doubles
Embedded JavaScript engine for C/C++
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.
A portable MQTT C client for embedded systems and PCs alike.
The Official MongoDB driver for C language
:snowboarder: EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).
ᛡᛒ BLE Scanner + Data persistence on SD Card for M5Stack, M5Core2, Odroid-Go, ESP32-Wrover-Kit and other models
Small configuration file parser library for C.
For interfacing with Windows/macOS/Linux using an ESP32, a touchscreen and BLE.
Ultra High-performance Lightweight Embedded and Server OLTP RDBMS✨
Yet another Linux distribution for voice-enabled IoT and embrace Web standards
Small & portable byte-aligned LZ77 compression
SDK for connecting to AWS IoT from a device using embedded C.
A BLE to MQTT bridge running on an ESP32
Espressif ESP32 Based Smarthome screen for MQTT
JSON parser and generator for C/C++ with scanf/printf like interface. Targeting embedded systems.
A many speaker distributed music synthesizer using UDP multicast over WiFi
Machine Learning and Digital Signal Processing for MicroPython
Gibson Environments: Real-World Perception for Embodied Agents
Send arbitrary IEEE 802.11 frames with Espressif's ESP32
Tamp is a low-memory, DEFLATE-inspired lossless compression library.
a numpy-like fast vector module for micropython, circuitpython, and their derivatives
A little Spotify remote to remind you that there's a lot of music out there.
Full featured TFT library for ESP32 with demo application
Emgo: Bare metal Go (language for programming embedded systems)
add camera support to MicroPython
🧠 SuperGreenOS home farming automation software for esp32, all in one package, and controllable from your smartphone, pc, mac, linux, toaster, plumbus, whatnot...
bpflock - eBPF driven security for locking and auditing Linux machines
Fast integer compression in C using the StreamVByte codec
Red Canary's eBPF Sensor
Make your Sonoff Switch compatible with Apple Homekit! 🎉
Full featured ePaper library for ESP32 with demo application
OPAL boot and runtime firmware for POWER
Fast pure-C driver for MicroPython that can handle display modules on ST7789 chip
Message Broker for IoT/Mobile/Web. Mainly uses MQTT v3.x and v5. Aims to be easy to use, scalable and reliable
Micropython package for doing fast rsa and elliptic curve cryptography, specifically digital signatures