Kite Compositor - A powerful animation and prototyping application for Mac & iOS.
Image to Sketch - Convert images to pencil sketches with AI technology
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
Artboard Studio - Online graphic design app mainly focused on product mockups.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.