Uploadcare - File uploading, media processing & content delivery for modern web apps
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Amazon Glacier - Amazon Glacier is a secure, durable, and extremely low-cost storage service for data archiving and long-term backup.
4sync - A wonderful application that links all of your computers and mobile devices together. Easiest way to back up and sync your files online. Cross platform file management in the cloud
Uppy - The next open source file uploader for web browsers
Loadbt - A Cloud Torrent Downloader. Easily download your torrent and stream on the cloud.