Note to self about and :

  1. for sleek hand-drawn diagrams (just a few shapes, but great UI)
  2. for blocky, corporate-looking diagrams (plenty of clipart, bloated UI)
  3. for auto generation of diagrams belonging to a handful of types (computing, engineering, business), similar to (very limited, but declarative and text-based)
  4. for the lolz, basically