Black Menu - similar to Lookup, but can search across all Mediawiki sites except Wikidata
Distracted Reader – Select any text on a webpage to search, read articles right next to it, explore related topics. Fast, versatile, minimal context-switching.
Lookup Companion - quick search, popup browsing with back/forward function
Quick Hints - displays information when hovering over a mainspace link
Wikipedia Watchlist - displays changes to your watchlist, easy access to diffs, summaries
WikiWandWikiWand - Proprietary alternative interface for Wikipedia
WikiZ[dead link] - The Visually Appealing Modern Wikipedia
