Artboard Studio - Online graphic design app mainly focused on product mockups.

Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.

Vectr - Free vector graphics editor. A simple yet powerful web and desktop cross-platform tool for everyone.

Smartmockups - Create stunning product mockups, easily and online.

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.

Placeit - Generate realistic product shots in seconds