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calcurse

Text-based calendar and scheduling application

Calendar & Contacts ★ 1.3k stars Easy setup BSD-2-Clause

calcurse is a text-based personal organizer with a calendar, an appointments list, and a to-do manager, all in a curses interface. It supports CalDAV synchronization so it can connect to self-hosted calendar servers.

Official siteSource code

Key features

  • Text-based calendar and to-do
  • CalDAV synchronization
  • Very low resource use

Strengths

  • Released under the BSD-2-Clause license
  • Easy to set up — beginner-friendly
  • Active community (1.3k GitHub stars)
  • Written in C

Is calcurse secure?

OSV.dev has no published security advisories for calcurse's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

calcurse replaces

Self-hosted Google Calendar alternatives

Health badge

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SelfHostIndex: 75 · good

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