Arthur Ronconi

Imports and aggregates RSS Feeds using multiple users. You need to update your user profile. There is a field called “Feed”, paste you rss link there.
Some functions
<ul>
<li>Insert a feed link for each user</li>
<li>Show posts at home</li>
<li>Filter content in single page and add “read more” link button</li>
<li>Get the first image from text and set the post thumbnail</li>
<li>Update terms too</li>
<li>Open permalink on single page, or feed page, or redirect page (better for counters)</li>
<li>Set time to update</li>
<li>Set number of feeds to update for each time</li>
<li>and more to come …</li>
</ul>

Simple RSS Aggregator

Imports and aggregates RSS Feeds using each user as feed provider.

Andy Peatling

Attach Twitter accounts to a BuddyPress group then aggregate and track tweets within that group.
Group tweets will be pulled automatically every hour, or every 30 minutes if someone visits a group home page.

BuddyPress Group Twitter

Attach Twitter accounts to a BuddyPress group then aggregate and track tweets within that group.

Simple RSS Aggregator vs BuddyPress Group Twitter