Exclude a Category From RSS Feeds
Keeps posts in chosen categories out of the main RSS feed.
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.
Keep Certain Authors' Posts Out of Feeds
Leaves posts by the authors you list, such as guest writers or an automated account, out of your main feeds, while their author feed and the posts on the site stay available.
Keep Tagged Posts Out of RSS Feeds
Leaves any post with a "no-feed" tag out of all RSS feeds, so you can publish a post on the site without sending it to subscribers and newsletter tools.