Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries.
Cloudinary is an end-to-end image- and video-management solution for websites and mobile apps, covering everything from image and video uploads, storage, manipulations, optimisations to delivery.
Linkedin Sign-In is an authentication system that reduces the burden of login for users, by enabling them to sign in with their Linkedin account.
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.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.