imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Cloudimage - Cloudimage.io is the easiest way to resize, store, and deliver your images to your customers through a rocket fast CDN.
Sketch - Professional digital design for Mac.
Gumlet - Gumlet is an end-to-end video streaming and image delivery platform
Affinity Designer - Professional creative software, exclusively for Mac.