Nextcloud is an open-source software company that provides secure, self-hosted cloud storage and collaboration solutions. It enables individuals and organizations to store, share, and collaborate on files, calendars, contacts, and tasks in a secure environment. Nextcloud focuses on privacy and data security, giving users full control over their data. The platform is highly customizable and supports integrations with other services and applications. Nextcloud's solutions are widely used by businesses, educational institutions, and government organizations. The company is headquartered in Stuttgart, Germany.