Fiverr Business - Connect with vetted, talented freelancers that help you get every task done.
SageThumbs - SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats...
IrfanView - IrfanView ... one of the most popular viewers worldwide.
MysticThumbs - MysticThumbs generates thumbnails of many image types not natively supported by Windows.
SVG Explorer Extension - Extension module for Windows Explorer to render SVG thumbnails, so that you can have an overview of your SVG files.
Icaros - Icaros is a collection of lightweight, high quality, Windows Shell Extensions