Redirects to a random unusual Wikipedia page when you open a new tab, because when you're opening a new tab you're looking for a distraction and that distraction might as well be a weird fact. Or show random Cognitive Bias, or Philosophical concept.
Add a link in Wikipedia pages that opens new tab with related images. Results by Google images.
Shows previews of linked articles on Wikipedia pages.
Search for highlighted text on Wikipedia via the context menu.
A WebExtension that redirects to mobile Wikipedia since it is faster and prettier. Icon is https://www.flaticon.com/free-icon/wikipedia_326943
Good old Wikipedia gets a great new look