azurecurve

Provides opposite rss feed to that configured in WordPress; e.g. if WordPress is configured for summary then an alternative feed called detail will be created, or if WordPress is configured for a detailed feed then an alternative feed called summary is created.
Once active, both summary and detail feeds cab be access using the following paths: 
* http://yourdomain/feed/detail 
* http://yourdomain/feed/summary

azurecurve RSS Feed

Provides opposite rss feed to that configured in WordPress; e.g. if WordPress is configured for summary then an alternative feed called detail will be …

Scriptonite

This is a simple yet powerful plugin to repair your wordpress RSS feed. This plugin will help you if you get an error that looks similar to this:
XML Parsing Error: XML or text declaration not at start of entity 
Location: http://www.yoursite.com/feed/ 
Line Number 2, Column 2: 
-^
If you get this error and have not been able to resolve your feed issues than this plugin is what you need. RSS repair adds a new item to your wordpress tools menu. After you do a core update or theme update and your feed stops working, apply the fix and your feed will be as good as new.
Code sources from: http://wejn.org/stuff/wejnswpwhitespacefix.php.html

Fix My Feed RSS Repair

This is a simple yet powerful plugin to repair your wordpress RSS feed. This plugin will help you if you get an error that looks similar to this:

azurecurve RSS Feed vs Fix My Feed RSS Repair