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Tasks.org Server alt nono Calendarserver

Standards-compliant calendar and scheduling server

Calendar & Contacts ★ 506 stars Hard setup Apache-2.0

Calendar and Contacts Server is a CalDAV and CardDAV server originally developed by Apple. It provides shared calendaring, scheduling, and directory services for groups.

Official siteSource code

Key features

  • Originated at Apple
  • Group scheduling support
  • Standards-compliant CalDAV

Strengths

  • Released under the Apache-2.0 license
  • Written in Python
  • Lightweight — runs in 512 MB RAM

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