NextCloud

Nextcloud is an open-source self-hosted collaboration and file-sharing platform that allows organizations to securely store, synchronize, and share files across users and devices. It also includes collaboration tools such as chat, video calls, calendars, contacts, and document editing. Key Features: Secure file storage and synchronization Share files and folders with internal or external users Web, desktop, and mobile access Integrated chat and video meetings through Nextcloud Talk Calendar, contacts, and task management Collaborative document editing Version history and deleted file recovery Role-based access control and permissions End-to-end encryption and two-factor authentication Integration with LDAP, Active Directory, and external storage systems