Most Discussed Posts Feed
Publishes a second feed at /feed/popular/ listing your posts with the most comments from recent months, handy for "popular this month" newsletters and sidebar widgets on other sites.
Snippet Library
RSS Feeds snippets for WordPress
Snippets for WordPress RSS feeds: add featured images and custom post types, delay publishing to feeds, credit your site on scraped content or turn feeds off. For publishers and podcasters whose readers follow along by feed or email.
Remove Comment Feeds
Removes comment feed links from the page head and redirects comment feed URLs to the homepage, while keeping the post feeds.