Simple plugin to keep track of your friends posts, 
similar to the friends page of LiveJournal. Currently you can just add WordPress and LiveJournal feeds.
WORK IN PROGRESS!

WPfriends

Simple plugin to keep track of your friends posts

GrayHunter

LJ-XP-SW is a WordPress 2.5+ plugin, that has the ability to crosspost a blog text to your LiveJournal (or LiveJournal-based clone) account. It can crosspost to communities, and even has a customizeable header and footer, and allows you to direct would-be LJ comments to your WP blog instead!
But the main feature is that the plugin does not crosspost the exact text of your article. There is a special field where you can write your Alternate Annonce. So, this plugin helps your blog avoid fines for plagiarism. This is the realy Safe Way LiveJournal Crossposter.
Features:
<ul>
<li>The plugin does not crosspost the exact text of your article.</li>
<li>There is a special field where you can write your Alternate Annonce. So, this plugin helps your blog avoid fines for plagiarism. This is the realy Safe Way LiveJournal Crossposter.</li>
</ul>

LJ-XP-SW

LJ-XP-SW a plugin, that has the ability to crosspost a blog text to your LiveJournal (or LiveJournal-based clone) account in safe way.

WPfriends vs LJ-XP-SW