Nextcloud

Nextcloud is an open-source content collaboration platform that allows users to store, share, and synchronize files, calendars, contacts, and other data. Key features include file sharing, real-time document editing, video conferencing, and integration with various productivity tools. It is designed for individuals, organizations, and businesses seeking a self-hosted solution for data privacy and control, enabling users to manage their data on their own servers and benefit from enhanced security and customization options.