ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
digiKam - Professional Photo Management with the Power of Open Source
Invision - Prototyping and collaboration for design teams
Flickr - image and video hosting website
Sketch - Professional digital design for Mac.