Tradivoox : For translate all your blog contents in French,Italian, Spain,German and Japanese.
The Yahoo BOSS plugin makes it easy to create a search engine in your WordPress install. This plugin does not replace the default search.
Offers simple bookings management for simple properties. Has an availability calendar per property and a feed.
Contact Me Button - Your communication widget for instant messaging, email, text messaging, and contact information
Easy to use RSS aggregator for pages and sidebars of your blog with search capability.
Streampad gives you everything you need to play back the music you post.
Edit content inline, without going to the admin area.
Check comments for duplicate content using Google AJAX Search API as they are published. Emails you whenever it finds a match so you can check it and
Better Extended Live Archive(BELA) is a very cool WordPress plugin, which can generate a clean, structured archive page with fantastic visual effect.
Creates the ability to quickly and easily add custom fields to NextGEN Galleries and Images.
xili-tidy-tags is a tool for grouping tags by semantic groups or by language and for creating tidy tag clouds.
This Plugin gives the user the ability to embed the Last.FM mediaplayer on the sidebar.
This Plugin gives the user the ability to show links to MyBlag image gallerys on his/her sidebar.
The Catfish Manager allows you to setup and manage Catfish ads easily within WordPress.
Aggregate multiple blog(s) into one single blog.