Invision - Prototyping and collaboration for design teams
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.
Zeplin - Collaboration app for UI designers & frontend developers
PicMonkey - PicMonkey is a feature-rich online photo editor that works right in your browser; no downloads...
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Piktochart - Piktochart for Business Storytelling