Apache is a free and open-source cross-platform web server software.
Apache JSPWiki is an open-source Wiki engine, built around standard JEE components (Java, servlets, JSP).
Google Analytics is a free web analytics service that tracks and reports website traffic.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.