WikiLove
www.mediawiki.org/wiki/Extension:WikiLove
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
WikiLove is an extension designed to promote the spread of WikiLove within Wikipedia and possibly other wikis. Specifically, it makes adding awards, gifts, and invitations to user talk pages as simple as clicking a few buttons.