JSON has become the developers’ choice for APIs, and that developers will often go out of their way to avoid XML. JSON is simpler to read and write, and it’s less prone to bugs. So we developed JSON Feed, a format similar to RSS and Atom but in JSON. It reflects the lessons learned from our years of work reading and publishing feeds.
Source: JSON Feed: Announcing JSON Feed
How to use Facebook with a feed reader
URL tricks to get at RSS feeds from various parts of Facebook
“Real-time feed parsing in the cloud for web-developers”
WP-o-Matic. The WordPress RSS Agreggator
“WP-o-Matic makes autoblogging a snap by automatically creating posts from the RSS/Atom feeds you choose, which are organized into campaigns.”
Aggregate plugin for WordPress
Aggregate allows you to display the contents of an RSS feed within your posts. It automatically fetches, parses and caches the contents of the RSS feed, and displays the entries—with links—in an HTML unordered list.
Send email to an address and have it publish to an RSS feed.
“RSSBus is a collection of tools and services that simplify the process of creating RSS Feeds with rich data extensions”
From the RSS Advisory Board – official documents on how to implement auto-discovery