Nextcloud Files is an on-premise, open source file sync and share solution designed to be easy-to-use and highly secure. You can store your files, contacts, calendars and more on the server. It provides real-time collaboration and instant access to all data from any device, anywhere. Access data from FTP, Windows Network Drive, SharePoint, NFS, Object storage and more. It is designed with compliance in mind, providing extensive data policy enforcement, encryption, user management and auditing capabilities.