Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries.
Disqus is a worldwide blog comment hosting service for web sites and online communities that use a networked platform.
Mailchimp is a marketing automation platform and email marketing service.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenGSE is a test suite used for testing servlet compliance. It is deployed by using WAR files that are deployed on the server engine.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.