Marco Brughi

This plugin create a widget to set the reading of RSS. It works with both RSS and XML. There are a few parameters to set up: Title = The title to display in your blog, RSS Feed = The URL of your selected RSS (work both rss or xml feed), Item to display = how many item display (from 1 to 5), show date = y/n, show summary = y/n.

RSS Advanced Widget

Create a widget to set the reading of RSS. It works with both RSS and XML. Easy to install and set up, just enter the URL of the desired RSS.

petitnuage

This widget displays titles and links to the latest posts of a custom list of third party RSS feeds. It is useful for people who want to follow third party feeds updates on their own blog. It is also useful for blog networks where each blog can promote the latest posts of other blogs of the network.
Features list:
<ul>
<li>Customizable title.</li>
<li>Customizable introduction displayed before the recently updated feeds list.</li>
<li>Customizable number of maximum posts displayed from the same source.</li>
<li>Customizable number of maximum posts displayed in total.</li>
<li>Localized economy and market share news feeds supplied by default for immediate use (many thanks to <a href="http://www.labourseenaction.fr/" title="La bourse en action" rel="nofollow ugc">Bourse en ligne</a> for both English and French original news feeds).</li>
</ul>
Languages supported:
<ul>
<li>English</li>
<li>French</li>
</ul>
The plugin uses WordPress standard localization functions for localization. So, adding support for new languages (including the list of default RSS feeds, separated by “!”) should be straightforward.

Simple RSS Feeds Widget

This widget displays links to the latest posts of a custom list of third party RSS feeds.

RSS Advanced Widget vs Simple RSS Feeds Widget