Sketch is very nice. I use both Photoshop (when on Windows) and Gimp (when I'm on my Ubuntu laptop), so I have experience with each. Sketch provides a clean, f

Sketch is very nice. I use both Photoshop (when on Windows) and Gimp (when I'm on my Ubuntu laptop), so I have experience with each. Sketch provides a clean, focused UI that makes it easy to get many tasks done simply/quickly. Specifically, icon design in Sketch is excellent. Plus, Sketch is a vector based application which is excellent for creating multiple icons / images of different sizes.