davsabre/dav is a CalDAV, CardDAV and WebDAV framework for PHP

dav

sabre/dav is the most popular WebDAV framework for PHP, enabling developers to build feature-rich WebDAV, CalDAV, and CardDAV servers. It provides a robust, production-ready foundation for implementing standards-compliant file sharing, calendar, and contact management solutions.

Key Features

• WebDAV Support: Full WebDAV protocol implementation for file sharing and collaboration
• CalDAV Integration: Standards-compliant calendar server functionality for managing events and schedules
• CardDAV Support: Contact management and synchronization capabilities for address books

Use Cases

• Calendar Servers: Build calendar applications with full CalDAV protocol compliance
• Contact Management: Create centralized address book systems with CardDAV support
• File Sharing Platforms: Develop WebDAV-based file synchronization and sharing solutions

Who Is It For

PHP developers and organizations looking to build WebDAV, CalDAV, or CardDAV servers without implementing the complex protocols from scratch. It's ideal for teams seeking an established, well-maintained framework with enterprise support available.