WordPress is a mature free code project with a huge user base. Getting fediverse integration for comments working smoothly in WordPress would be a coup. There are a number of plug-ins that provide some pieces of the puzzle, but it might require a bit of community facilitation to herd all these cats into working on one plug-in (or suite of plug-ins?) that does a good job of everything.

*WordPress plug-ins that may be relevant*

Listed in order of most recent commits (at time of writing list 2018-05-08):

* [Mastodon Auto Share](https://wordpress.org/plugins/wp-mastodon-share/) - 2 weeks ago

* [Autopost to Mastodon](https://wordpress.org/plugins/autopost-to-mastodon/) - 2 months ago

* [ActivityStream extension](https://wordpress.org/plugins/activitystream-extension/) - 3 months ago

* [OStatus for Wordpress](https://wordpress.org/plugins/ostatus-for-wordpress/) - 5 months ago

* [GNU Social Autpost](https://wordpress.org/plugins/gnusocial-autopost/) - 8 months ago

* [Mastodon Embed](https://wordpress.org/plugins/embed-mastodon/) - 1 year ago

* [WP-GNU Social](https://wordpress.org/plugins/wp-gnusocial/) - 2 years ago

* [GNU Social followers widget](https://wordpress.org/plugins/gnu-social-followers-widget/) - 2 years ago