MightyReach for WordPress displays your Google Analytics, Feedburner and Twitter stats on your dashboard
Custom playlist from youtube with thumbnails, loads youtube clips without reloading your page. Example: [myyoutubeplaylist WnY59mDJ1gg, bKwQ_zeRwEs]
Back your WordPress blog up to any one of 10 storage clouds including S3, CloudFiles, MobileME, Gmail & Box.net
UnShorten urls from services like bit.ly so your readers can see the full link - this is especially useful if you put tweets on your blog!
Display your BuddyPress site wide posts in a paginated widget
You can now allow visitors to log in with their FriendConnect ID, and leave a comment with that same ID or override wordpress comments system and repl
Filtering your search results by category, tags, or date.
WpDojoloader allows you to include dojo widgets into wordpress
Display author, writing and editing date - fully customizable for content, excerpt, home, archive... with exceptions. Great for multi-author websites.
Easy user Login without goto the login page.
BuddyPress Geo is a plugin that adds a searchable member directory based on
each user's location.
This is a plugin creating a shorter URL of post, page and media permalink.
From any open API Piwigo gallery, swiftly include your photos in Posts/Pages and/or add randomized thumbnails and menus in your sidebar.
Tabs and Slides (in post/page) Plugin gives you the ability to easily add content tabs and/or content slides.