slackbuilds_ponce/desktop/calcure
..
calcure.info
calcure.SlackBuild
README
slack-desc

Calcure is a modern TUI calendar and task manager with customizable
interface. The program manages your events and tasks, displays
birthdays from your abook, and can import events and tasks from
calcurse and taskwarrior.

Be sure to check the wiki, you'll findthere most of what you need
to know about Calcure.