Tutorial / Anleitung um mit Baikal Kontakte und Kalender sicher zu verwalten und speichern

addrb: A lightweight CLI / TUI address book that supports CardDAV

Docker image for agendav

PeopleSync Client App - CardDAV Client for Android

App for FRAPPE that extends the functionality of your contact list allowing you to import and export your data to other systems that use vCard as a data exchange format.

Unofficial Dockerfile for alps, a simple and extensible webmail.

The Groupware Connector for FileMaker