Qikipedia - Instant Wikipedia summary cards on any web page
ibis Paint X - Drawn with + ibisPaint
Newsit - Find the discussion around the page you're looking at!
Huion Sketch - Huion Sketch is an animation and drawing application that comes with all the tools and features, providing you ease when making a painting.
Anycomplete - The magic of Google Autocomplete while you're typing
Zen Brush - Zen Brush 2 is a drawing app focused on the strong yet beautiful feel of the East Asian ink brush.