Sketch 2 Code - Turn hand-drawn design into a HTML with AI. By Microsoft.
LetterNote - Fine Stationery, Art Prints, Accessories & Collectibles
PaintCode - PaintCode is a unique vector drawing app that generates Objective-C or Swift code in real time, acting as a bridge between developers and graphic designers.
PencilCase - Transform your designs into native iOS apps in a heartbeat.
Schwartz - Very similar to paintcode but costs wayyy less
New Apple Pencil - Now with a magnet, touch button and engraving