FileRun - Beautiful, fast and reliable selfhosted file sharing and sync.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
PHPfileNavigator - PHPfileNavigator: Administrador de ficheros y directorios via web.
Seafile - Seafile is a professional open source cloud storage platform for organizations.
HRCloud2 - A full-featured home-hosted Cloud Drive & Personal Assistant.
Pydio - Put your data in Orbit