ownCloud
A self-hosted cloud storage platform that enables secure file sharing, synchronization, and collaboration across devices with enterprise-grade features.

About ownCloud
ownCloud is an open-source file sharing and collaboration platform trusted by over 200 million users worldwide. It allows organizations and individuals to host their own cloud storage solution, providing complete control over data while offering all the convenience of cloud services. Users can store, sync, and share files, contacts, calendars, and other data across multiple devices and with team members. The platform emphasizes security with encryption capabilities and offers extensive customization through dozens of available apps for enhanced functionality like calendar, contacts, mail, and news management.
Key Features
- Self-hosted cloud storage with complete data ownership and control
- Cross-device synchronization for files, contacts, calendars and other data
- Secure file sharing and collaboration with granular permission controls
- End-to-end encryption for data in transit and at rest
- Extensible platform with dozens of apps for calendar, contacts, mail and more
- Enterprise-grade security and compliance features
- Web interface and mobile apps for accessing data from anywhere
- Integration capabilities with existing enterprise systems and workflows