Apple ARKit - A framework to create Augmented Reality experiences for iOS
IconLover - Icon editor for Windows.
SketchAR - Start drawing easily using augmented reality
VistaCreate - The VistaCreate is a free and global digital platform which is known for sharing, searching, finding, and creating great art.
Made With ARKit - Hand-picked curation of the coolest stuff made with ARKit
Lospec Pixel Editor - Free online pixel art program. It's easy to use, intuitive and unobtrusive.