[dijit]

Not to be confused with Radicale; an Open-Source CalDAV and CardDAV Server

https://radicale.org/3.0.html

[cloudhead]

The shameless plug we all needed

[kiwidrew]

I read the title of this link and thought "Hmm, Radicale... not quite sure how a CalDAV server can be a Github alternative".

[enedil]

Shameless plugs are when you talk about your product specifically, while this just mentioned some product of this name.