FeedFury - FeedFury was a powerful RSS supportive tool that helped to manipulate or to retrieve content data from multiple web feeds by functioning as an XML directory, the reader, and the aggregator.
Taco Digest - Customizable personal email newsletter created from your favorite sources.
Kouio - Kouio is an RSS reader-based tool that allows quick reading efficacy with multiple websites, articles, or news stories, and more with comprehensive study or basic options to explore the content.
Sponsor This Newsletter - 100+ newsletters ready to promote your product
Reedah - Reedah is an alternative to the Google reader that allows users to read the content of various websites, blogs, stories, articles, and many more with RSS-based aggregator efficacy.
Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter