KalenDAV

A lightweight, async CalDAV server built with FastAPI and SQLAlchemy. With ICS Feed support.

Features

• CalDAV Protocol Support: Full CalDAV operations (OPTIONS, PROPFIND, PROPPATCH, GET, PUT, DELETE, REPORT, MKCALENDAR)
• Multiple Users: Support for multiple user accounts
• Multiple Calendars: Each user can have multiple calendars with custom colors
• Calendar Sharing: Share calendars between users with read, write, or admin permissions
• Web Calendar: Beautiful web interface for viewing and managing events
• Recurring Events: Full support for recurring events (daily, weekly, monthly, yearly)
• Calendar Management: Rename calendars and change colors via CalDAV clients
• ICS Feed Support: Access calendars via ICS feeds using API keys or Basic Auth
• Admin UI: Web-based administration panel for managing users, calendars, and shares
• User Dashboard: Personal dashboard for non-admin users to manage their calendars
• Async: Fully async using SQLAlchemy 2.0 async support
• SQLite & PostgreSQL: SQLite for development, PostgreSQL for production

Tech Stack

• Frontend: TailwindCSS, Jinja2
• Backend: Python, SQLAlchemy, FastAPI
• Database: PostgreSQL, SQLite