LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
SlickReader - SlickReader is an easy and comprehensive personalization tool that allows reading the news of customer preferences and content present in the website’s feeds.
Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter
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.
Unzip.dev - Discover the latest developer trends
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.