Apache is a free and open-source cross-platform web server software.
Modernizr is a JavaScript library that detects the features available in a user's browser.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.