Fantastical is a calendar software with features such as natural language event creation, a visually appealing calendar, and CalDAV support, including Google Calendar. It understands personal writing styles and event locations, allows event invitations, and provides a color-coded calendar with adjustable displays. Fantastical syncs with applications like iCal, Entourage, and Outlook, has an automatic alarm and instant search function, and supports file and photo attachments. The software offers various views, template creation from existing events, task planning, and scheduling. It integrates with Todoist and allows event invitations. Fantastical can automatically add a conference call to events, supports over 30 conference call services, and stores private data on the user's device. It offers 14 customizable widgets for viewing upcoming events, tasks, conference calls, weather, and more on the home screen.