Aion
Aion is a full-featured calendar client that runs in your terminal. It supports Google Calendar and CalDAV (iCloud, Fastmail, Nextcloud, Radicale, and more) — view, create, and manage events without leaving the command line. Built with Glyph for a smooth, responsive interface.
Features
Section titled “Features”- Calendar views — day, week, and month views
- Event management — create, edit, and delete events
- Google Calendar sync — native OAuth with PKCE, multi-account support
- CalDAV support — iCloud, Fastmail, Nextcloud, Radicale, and any CalDAV server
- Keyboard-driven — navigate everything without touching a mouse
- Multiple calendars — toggle visibility per calendar
Next Steps
Section titled “Next Steps”→ Getting Started — install and connect your calendar