"Rclone is a command line program to sync files and directories to and from" all major cloud providers + WebDAV, FTP, SFTP
"Back up your Mac or Windows PC. Super-easy. You keep control. Encrypted backup to your Amazon Drive, AWS, Dropbox, Google Drive, Google Cloud Storage, or OneDrive account"
"Online cloud based HTML5 filled Markdown Editor. Sync with Dropbox, Github and Google Drive. 100% Open Source!"