Autodesk Sketchbook is a great tool for product design or industrial design, just as the developer says, you never know when a great idea will strike, so access to fast and powerful creative sketching tools is an invaluable part of any creative process. The Sketchbook by autodesk is just the powerful creative sketching tool for designers.
Sketchable allows us to draw and create sketches on touch screens in a very simple and intuitive manner, much easier than with Photoshop. It's so easy to use that we can almost draw as if we were using pen and paper.
Sketch Board is a free drawing app for Windows 10 PCs and Windows 8 mobiles. Users can sketch everything they want on this sketch app.
Concepts is a tool for drawing, making notes, brainstorming, wireframing and design, then share with friends, clients and other apps. Concepts is used by amazing people at Disney, Playstation, Philips, HP, Apple, Google, Unity. Works on Windows 10.
Leonardo is a drawing and painting app for Windows which supports multi-touch and penpressure. You can use it for drawing, painting, sketching, whiteboarding and tracing.