Apache is a free and open-source cross-platform web server software.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Prototype is a JavaScript Framework that aims to ease development of web applications.
RequireJS is a JavaScript library and file loader which manages the dependencies between JavaScript files and in modular programming.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.