CommentPress is an open source theme for the WordPress blogging engine that allows readers to comment paragraph by paragraph in the margins of a text. Annotate, gloss, workshop, debate: with CommentPress you can do all of these things on a finer-grained level, turning a document into a conversation. It can be applied to a fixed document (paper/essay/book etc.) or to a running blog.
WordTwit is a plugin that utilizes the Twitter API to automatically push a published post to your Twitter account as a tweet, using the blog domain as a short URL.
BuddyPress is a suite of WordPress plugins and themes which extends WordPress MU and brings social networking features to a new or existing installation.
This plugin is streamlined for some best practices for Wordpress SEO. While it gives you many options the defaults reflect the settings I recommend using.
Templatr: Online Template Generator für Blogs Mit dem Templatr lassen sich online Templates für das eigene Blog (im Moment nur Wordpress) erstellen, ohne das man dafür fundierte Design-Kenntnisse braucht. Klickt man auf einen bestimmten Bereich des Te
WhoLinks2Me.com is an incredibly useful tool for finding out who links to your website or blog. With Snap Preview Anywhere, you can not only read who links to you, but see them as well!