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.
Jetpack is a popular WordPress plugin created by Automattic, the people behind WordPress.com.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Twenty Ten is the default WordPress theme for 2010.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.