XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
ioBroker - flexible and modular application for the IoT and Smarthome
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation