Compatibility: macOS 10.6 or later 64-bit

ViewIt is an image viewer that supports all popular image formats: JPEG, TIFF, PNG, PSD, a very wide range of RAWs and many more. It guarantees a smooth workflows in fullscreen mode with a very minimal non-disruptive UI. User can quickly navigate images to reject unwanted ones and find his true gems. ViewIt contains power organization tools for: quick image sorting, printing, digital camera handling and EXIF tag viewing.

Homepage: http://www.hexcat.com/viewit/index.html