Qikipedia - Instant Wikipedia summary cards on any web page
Six Degrees of Wikipedia - Find the shortest path between two subjects
Newsit - Find the discussion around the page you're looking at!
Pathica - Find a path to connect with anyone on Instagram.
Anycomplete - The magic of Google Autocomplete while you're typing
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.