adamh

Feed Extensions allows you to add any text or html to the bottom of the footer. Tags such as [blog_name], [blog_url] or [year] can be inserted.
This is my first plugin on WordPress/Extend – I’d be grateful of any suggestions on how to improve the plugin. Thanks!

Feed Extensions

Feed Extensions allows you to put footer text at the bottom of each post in your feed.

Matthias Pfefferle

ActivityStreams (<a href="http://www.activitystrea.ms" rel="nofollow ugc">activitystrea.ms</a>) support for your WordPress-blog
ActivityStreams is an open format specification for activity stream protocols, which are used to syndicate activities taken in social web applications and services, similar to those in Facebook’s Newsfeed, FriendFeed, the Movable Type Action Streams plugin, etc.

ActivityStream extension

ActivityStrea.ms feeds for WordPress (Atom and JSON(-LD))

Feed Extensions vs ActivityStream extension