Uploadcare - File uploading, media processing & content delivery for modern web apps
imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.
Amazon Glacier - Amazon Glacier is a secure, durable, and extremely low-cost storage service for data archiving and long-term backup.
Cloudimage - Cloudimage.io is the easiest way to resize, store, and deliver your images to your customers through a rocket fast CDN.
Uppy - The next open source file uploader for web browsers
Sirv - Dynamic image processing, hosting and rich-media for retailers and eCommerce.