Apache is a free and open-source cross-platform web server software.
Google Font API is a web service that supports open-source font files that can be used on your web designs.
Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
MODX (originally MODx) is an open source content management system and web application framework for publishing content on the World Wide Web and intranets.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.