Skysa

The Skysa RSS Reader is a simple RSS reader for your site. You can choose how many RSS feed items to display and how much text to show in the preview. You also have the option of linking to the RSS feed source articles or allowing the preview to be expanded right on your site.
http://www.youtube.com/watch?v=Zj1uGXX2xrk&hd=1 
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Skysa RSS Reader App

Display interactive summaries from an RSS (or Atom) feed in a dynamic ajax window on your site; customizable RSS feed app button.

silence

This is a plugin that allows read some external rss feeds and show it on a page or in a widget. 
Sites can be categorized and you can add an image or use a gravatar.
Using Plugin:
Add it on a page: 
[sil_rss:0:content:0] 
* First Param: 0 – The total of items to show. 
 With 0 uses the number in options. 
* Second Param: content – Type to show (content or widget or feed). 
 With feed it shows a feed from a site. 
* Third Param : 0 – Category to show with content or widget. 
 With feed option, it uses this parameter to know the feed.
Sample: 
[sil_rss:20:content:0] – Show 20 items from all sites. 
[sil_rss:5:widget:1] – Show 5 items of category 1 like widget. 
[sil_rss:0:feed:1] – Show number of items defined on options from site 1.
Call function: 
To show the list calling a function, use:
Params are same like before.
List all blogs: 
To show the list of all blogs on a page, use: 
[sil_rss_list_blogs] 
or call it by a function

RSS: 
Your url to subscribe to RSS is: 
your_url/?feed=external 
Saving OPML:
Your OPML file exported is on: 
your_url/?sil_opml
Thanks to
Autoritas Consulting, sponsors of this plugin. 🙂 
<a href="http://www.autoritas.es/" rel="nofollow ugc">http://www.autoritas.es/</a>

Skysa RSS Reader App vs Silencesoft RSS Reader