File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.

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.

FileProInfo - It's All About Files, Software, Online Tools - 100% Free

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.

GroupDocs - GroupDocs is a web-based service for online document sharing, collaboration and management.

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.