We've outlined a few things you can do when Dropbox goes down, but if you want to take a more extreme approach you can roll your own Dropbox-like syncing and backup service with some open source software. Tech hacking blog Fak3r outlines the process and what you'll need: At least two machines, one to be the server and one to be the client Some open source software: OpenSSH, rsync, and lsyncd The p