There are 2 repositories under mysensors topic.
Sniffer for Nordic NRF24L01+ modules with MySensors support
The Open Source Controller
Plugin for a rapid development of battery-powered sensors
Arduino library to read VCC supply level without external components
Compact and battery powered capacitive soil moisture sensor.
MyController 2.x server
Automate your home with GoWired open source modules designed for wired communication.
Arduino Relay controling sketch with multiple button types (mono-/bi-stable, reed switch), multiple actions (click, double-click, long-click) and MySensors protocol (Serial and MQTT)
MQTT Bridge
Serial to MQTT adapter serivce
(CANCELLED) Proyecto de domótica compatible con la biblioteca MySensors para Arduino.
Controller for MySensors, exposes WoT APIs for the sensors. It supports OTA firmware updates, and also acts as proxy for all requests.
All the Candle Arduino code
Arduino energy monitor, using SCT-013-030 current sensors
Open Gr8on (OpenGREATon/OpenGrenton), open source extensions to systems based on Grenton devices (https://grenton.com)
Wireless nRF24 MySensors IoT node
Ikea Molgan PIR LED light hack to add wireless Arduino functionality
A barebones ESPHomeLib MySensors Gateway Shim
An adapter that connects MySensorsdevices to the Candle controller / Webthings Gateway
Wifi Gateway for MySensors network
AMS power meter node for Arduino and mysensors
MySensors RFM69 & NRF24L Gateway for Raspberry Pi (zero & B)
Arduino sketches for the MySensors dollhouse demo at Eindhoven Maker Faire 2017
Java Serial MQTT Bridge which forwards messages on serial port to MQTT broker and vice-versa.
Support of mysensors from
A web-based tool to generate firmware for MySensors nodes
An add-on for the Candle Controller / WebThings Gateway. It allows you to upload code to Arduino's with the click of a button.
Range test for 2 nodes using the MySensors library
A mysensors bootloader to mqtt bridge process