Prodibi - Prodibi innovative image solution enables you to display and share your photos in full res and high quality on your website, wordpress, social media and mobile.
Pixpie - Optimize your images and speed up your site on WordPress
Super PhotoCut - Easily remove complex image background from photos for Mac.
Website Image Speed Test - Beautiful & easy free analysis of the images on your page
Pixabay Images 3.0 for WordPress - Search and insert images directly within WordPress
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!