AssetPicker - A free, easy to use, cross plattform ready asset or file picker.
Uploadcare - File uploading, media processing & content delivery for modern web apps
CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
FileDrop.js - Self-contained cross-browser HTML5, legacy, AJAX, drag & drop JavaScript file upload. Dependencies-free. With jQuery plugin.
Akamai - Akamai is the leading content delivery network (CDN) services provider for media and software delivery, and cloud security solutions.
CloudExplorer - Cloud Explorer is a open-source Amazon S3 client.