FileRun - Beautiful, fast and reliable selfhosted file sharing and sync.
Funambol - Funambol is the leading provider of platforms that power many cloud services.
PHPfileNavigator - PHPfileNavigator: Administrador de ficheros y directorios via web.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
FilesAnywhere - FilesAnywhere offers free 1GB online file storage, with cloud storage solutions for Internet...
fruux - Free service that takes care of your contacts, calendars and more so you don't have to.