Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Sliding Explorer - Sliding Explorer is a free fast and stylish file manager app specially designed for those who want to manage their phone files easily and quickly.
ioBroker - flexible and modular application for the IoT and Smarthome
FX File Explorer - FX File Explorer is an Android file explorer and file transfer app for Android devices with a complete set of features.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.