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@@ -313,8 +313,6 @@ Software which allows users to add, annotate, edit, and share [bookmarks](https:
 
 _Related: [Groupware](#groupware)_
 
-_See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https://en.wikipedia.org/wiki/Comparison_of_CalDAV_and_CardDAV_implementations)_
-
 - [Baïkal](https://sabre.io/baikal/) - Lightweight CalDAV and CardDAV server based on sabre/dav. ([Source Code](https://github.com/sabre-io/Baikal)) `GPL-3.0` `PHP`
 - [DAViCal](https://www.davical.org/) - Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store. ([Source Code](https://gitlab.com/davical-project/davical)) `GPL-2.0` `PHP/deb`
 - [Davis](https://github.com/tchapi/davis) - A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal. `MIT` `PHP`