A webmention link list

Caution! This article was published over a year ago, and hasn't been updated since. Situation, software and support of the topic below could have changed in the meantime.

I'm totally aware of how meta this is*, but nevertheless: Let's start a funny experiment of assembling a list of webmention capable websites and blogs (What is this anyway?). I know the following from my filter bubble:

*) because - ideally - the list would update itself (Update: but currently it's being updated manually)