mixer2

Buzz Comments is for users who’ve their WordPress blog in their Google Buzz connected sites list. 
In that case discussions about the Blogposts often split in two seperate threads. Some users reply on Buzz and some on the Blog. This plugin adds the comments posted on Buzz about your posts to the comments on the blog. The Buzz responses just get inserted between the normal comments in the correct chronological order. 
So the blog users can see the normal comments and the Buzz comments.
The plugin is beta and under heavy development. Please check from time to time for an update.
Note: It doesn’t work in combination with the WPML Multilingual plugin so far.
<a href="http://www.vertexten.de/2010/03/23/buzz-comments-demo-page/" title="Demonstration" rel="nofollow ugc">Try out a demonstration.</a>
Please read the <a href="http://code.google.com/p/wpbuzzcomments/wiki/Documentation" title="Documentation" rel="nofollow ugc">Documentation</a>.

Buzz Comments

Buzz Commments displays comments from your Google Buzz stream to your Wordpress posts, directly in the comment list on your blog.

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fabiancz

This plugin adds a set of cool icons and widgets at the end of your post for your readers to share. Widgets are Twitter, Facebook and Google +1. It supports large icons and small icons.
This plugin is copy of “simple-social-sharing-widgets-icons”, because it’s not updated;

Simple Social – Sharing Widgets & Icons Updated

Adds a set of cool icons and widgets at the end of your post for your readers to share.

Buzz Comments vs Simple Social – Sharing Widgets & Icons Updated