Calcurse

Calcurse is a calendar and scheduling application for the command line. It helps keep track of events, appointments and everyday tasks. A configurable notification system reminds user of upcoming deadlines, the curses based interface can be customized to suit user needs and a very powerful set of command line options can be used to filter and format appointments, making it suitable for use in scripts. Important features

• hooks – run scripts when loading/saving data, e.g. to put your calendar data under version control
• experimental CalDAV support – synchronize calcurse with your mobile devices!
• support for various types of appointments and TODO items, including all-day events and recurring appointments
• fast and customizable curses-based interface
• powerful non-interactive command line interface that can be used by scripts
• user-definable key bindings
• fully user-configurable notification system (ability to send mails or anything else that could remind you of your upcoming appointments)
• import capabilities with support for iCalendar format
• export capabilities with support for iCalendar and pcal formats
• ability to attach notes to each calendar element, and to edit them with your favorite text editor
• support for internationalization with texts translated to English, French, German, Dutch, Spanish and Italian
• UTF-8 support