ownCloud is pretty awesome. It's like a self-hosted version of Dropbox. All open source, too. https://github.com/owncloud/ https://github.com/owncloud/ Check o

ownCloud is pretty awesome. It's like a self-hosted version of Dropbox. All open source, too. https://github.com/owncloud/ https://github.com/owncloud/ Check out their main page as well: http://owncloud.org/ http://owncloud.org/