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

Fotor - Fotor is an all in one visual platform. It includes photo editor, collage maker, and graphic designer. You are free to make a visual look more beautiful.

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.

Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.

Snappa - The perfect graphic design tool for digital marketers.

GIMP - GIMP is a multiplatform photo manipulation tool.