Ranked by Attention Score: stars gained over the last 7 complete days
87 repositories by Attention Score · Oct 28, 2026 – Nov 3, 2026 (UTC)
Turn Amazon Echos (Echo Dot 3, Echo Dot 2, Echo 2) into local Home Assistant voice satellites. Keeps Amazon's mic processing and wake word engine, replaces Alexa with a small C daemon speaking ESPHome or Wyoming. Multiroom music via Music Assistant, Bluetooth speaker and proxy, no cloud.
Let an AI model use a real iPhone with a $7 ESP32: AirPlay eyes, USB HID hands, any OpenAI-compatible vision model. No Mac, no developer account, no jailbreak.
ProRes quality selection and per-bank settings for compatible Nikon Z8 firmware.
Web-GUI Embedded Multitool
Open source SDK to build Muse gadgets
Add AirPrint / AirScan support to your old printer, using just a cheap ESP32-S3
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Flipper Zero Unleashed Firmware
An opensource OpenWrt variant for mainland China users.
ESP-SDR uses the undocumented raw I/Q capture functionality of ESP32 family chips to turn them into (low-duty-cycle) Software Defined Radios
Espressif IoT Development Framework. Official development framework for Espressif SoCs.
Flipper Zero firmware source code
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 Flight Controller Firmware
BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.
An ESP32 based e-paper art display
Whistle speech-to-text running fully on an ESP32-S3: hold a button, say a colour in one of 7 languages, the LED does it. No network.
Affordable WiFi hacking platform for testing and learning
Eclipse Mosquitto - An open source MQTT broker
TranslatedMy ultra-mini robotic arm project.
Ultra-minimal, zero-CPU 5.8 GHz analog FPV video receiver using ESP32-C5 Wi-Fi 6 PHY MODEM_DIAG, BitScrambler WBFM demodulation & resistor DAC CVBS
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.
Embedded web server, with TCP/IP network stack, MQTT and Websocket
RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/
The libgphoto2 camera access and control library.
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/
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability
Linux-CAN / SocketCAN user space applications
Open-source keyboard firmware for Atmel AVR and Arm USB families
DroneBridge for ESP32. A secure & transparent telemetry link with support for WiFi and ESP-NOW. Supporting MAVLink, MSP, LTM or any other protocol
CircuitPython - a Python implementation for teaching coding with microcontrollers
Implementations of SIMD instruction sets for systems which don't natively support them.
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
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
🔥 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.
RIOT - The friendly OS for IoT
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.
µStreamer - Lightweight and fast MJPEG-HTTP streamer
:airplane: Multi-functional, compatible DIY general aviation proximity awareness system
An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino
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
FW for ESP8266/ESP8285/ESP32 used with 3D printer
A portable MQTT C client for embedded systems and PCs alike.
Retro ESP32 is a turbo charged Odroid Go Launcher, Emulator and ROM Manager
Send arbitrary IEEE 802.11 frames with Espressif's ESP32
An Embedded NoSQL, Transactional Database Engine
ESP32 Music streaming based on Squeezelite, with support for multi-room sync, AirPlay, Bluetooth, Hardware buttons, display and more
Play mp3 files from SD via I2S
Store and access data published by OwnTracks apps
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.
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
For interfacing with Windows/macOS/Linux using an ESP32, a touchscreen and BLE.
Espressif ESP32 Based Smarthome screen for MQTT
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
Embedded JavaScript engine for C/C++
Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers.
data compression library for embedded/real-time systems
Emgo: Bare metal Go (language for programming embedded systems)
id Software's Quake 2 v3.21 with mission packs and Vulkan support (Windows, Linux, macOS, FreeBSD, Raspberry Pi 4)
Gibson Environments: Real-World Perception for Embodied Agents
A testing micro framework for creating function test doubles
A BLE to MQTT bridge running on an ESP32
JSON parser and generator for C/C++ with scanf/printf like interface. Targeting embedded systems.
C99 firmware core for a 16-series LFP pack. Independent charge and discharge FETs, cell protection, coulomb SOC, and the current and voltage limits an inverter follows. Passive balance runs for 1.0 s, then 200 ms off, so the fault wait finishes on an unloaded sample. No RTOS, no heap. The AFE driver and fieldbus stay on your board.
MQTT Broker/Bridge on the ESP8266
Full featured ePaper library for ESP32 with demo application
A little Spotify remote to remind you that there's a lot of music out there.
A multi-threading tool to sniff TCP flow statistics and embedded HTTP headers from PCAP file. Each TCP flow carrying HTTP is exported to text file in json format.
Machine Learning and Digital Signal Processing for MicroPython
Red Canary's eBPF Sensor
Tamp is a low-memory, DEFLATE-inspired lossless compression library.
MicroPython version for the M5Stack CORE2