Calendar0 is your AI-powered calendar assistant that lives in your system tray. This documentation will help you get the most out of Calendar0's features.

What is Calendar0?

Calendar0 is a lightweight menubar application that provides instant access to your calendar with powerful AI capabilities. Schedule meetings, check availability, and manage your calendar using natural language - all without opening a browser.

Key Features

AI Scheduling - Use natural language to create events: "Lunch with Sarah tomorrow at 1pm"
Instant Availability - See colleague free/busy status from Google Workspace or Microsoft 365
System Tray Integration - Always accessible, never buried in browser tabs
Real-Time Sync - Google Calendar, Microsoft Outlook, and Apple Calendar stay perfectly synchronized
Smart Notifications - Join meetings with one click

Quick Links

Installation Guide

Download and install Calendar0

AI Assistant Tips

Master natural language scheduling

Scheduling Meetings

Learn advanced meeting scheduling

Example Commands

100+ real-world examples to try

Welcome to Calendar0 Documentation