Screen Resolution Manager - Screen Resolution Manager is one of the robust and streamlined desktop applications that come with an easy way to adjust your screen resolution.
imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.
EasyRes - EasyRes is a fast screen resolution switcher for Mac OS X with live animated previews.
Cloudimage - Cloudimage.io is the easiest way to resize, store, and deliver your images to your customers through a rocket fast CDN.
HRC – Hotkey Resolution Changer - If you are looking for a sumptuous desktop application that will overcome every bit of your need to adjust the brightness, resolution, and color contrast of your screen, then Hotkey Resolution Changer can be a smart option for you.
Sirv - Dynamic image processing, hosting and rich-media for retailers and eCommerce.