LiveCode Platform - It is Both Under the GPL and it is also Proprietary if using the GPL version the software you make...
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
ESM Tools - ESM Tools is a powerful and widely known software development platform that comes with a centralized model infrastructure, providing the common frame for compiling, running, downloading, and organizing models (ones or multiple).
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996