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.

Ahrefs Backlink Checker - With the world's biggest index of live backlinks (over 15 trillion), Ahrefs Backlink Checker will show you the most complete backlink profile for any website.

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.

Backlinks by Neil Patel - A backlinks research tool for competitive intelligence

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.

Toxic Backlink Checker - Find out what's lurking in your backlink profile.