Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
cdnjs is a free distributed JS library delivery service.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Omni CMS (formerly OU Campus) is a web content management system developed by Modern Campus. Modern Campus is a SaaS-based student lifecycle management software designed to manage continuing education and non-degree programs.
Typekit is an online service which offers a subscription library of fonts.