WPSearchMu Plugin: wpSearchMu is an offshoot of the excellent wpSearch plugin and enables sitewide search over an entire WordPress Mu installation. It uses the open source Lucene search engine to provide unparalleled search result accuracy for your blog.
WelcomeToYourData WP Plugin: Works in both WordPress and WordPress Mu 2.7. This plugin collects statistics from the WordPress Mu database, Google Analytics, Google Reader, Feedburner, and SlimStats, and provides 1 unified API for processing all of that data.
Here, File File!: Watch the video! Here, File File! lets you access your Macs’ files (yes – all of your files from all of your Macs!) from your iPhone wherever you are. Browse files and folders, attached storage, network drives, view your files, stream media, and email your files all from your iPhone.
List-o-tron: Easily create, share, and collaborate on lists with others. To-do lists, shopping lists, wish lists, all available via browser and iPhone. Features real-time multi-user editing.