Calcurse

About

Calcurse is a free and open-source command-line calendar and scheduling application available for Mac, Linux, and BSD. Founded as a project to help users manage events, appointments, and daily tasks, its core product portfolio includes a configurable notification system for deadlines, a customizable curses-based interface, and robust features such as Calendar Integration, online appointment booking, and CalDAV Support. Positioned as an 'Event Calendar' tool, it emphasizes productivity through its command-line interface. While specific details regarding revenue, leadership, employee count, or direct competitors are not provided for this open-source initiative, its active development and community presence, including a Twitter link (https://twitter.com/alternativeto), highlight its unique standing in the productivity software market.