Akismet Anti-Spam 4.0
» Automattic (url)
Used by millions, Akismet is quite possibly the best way in the world to protect your blog from spam. It keeps your site protected even while you sleep. To get started: activate the Akismet plugin and then go to your Akismet Settings page to set up your API key.
Facebook Open Graph, Google+ and Twitter Card Tags 2.1.3
» Webdados (url)
Inserts Facebook Open Graph, Google+/Schema.org, Twitter Card and SEO Meta Tags into your WordPress Blog/Website for more effective and efficient Facebook, Google+ and Twitter sharing results. You can also choose to insert the “enclosure” and “media:content” tags to the RSS feeds, so that apps like RSS Graffiti and Twitterfeed post the image to Facebook correctly.
JW Player 6 Plugin for Wordpress 2.1.14
» LongTail Video Inc. (url)
Embed a JW Player 6 for HTML5 (or Flash) into your WordPress articles. Please note: The part of this plugin that works with JW Player 6 is new and might not be as polished as the part for player 5. If you find bugs, please report them in the Wordpress section of our forum.
Viper's Video Quicktags Migrator 1.2.0
» Alex Mills (Viper007Bond) (url)
Parses legacy shortcodes from the retired Viper’s Video Quicktags plugin using the embed functionality that’s built directly into WordPress itself.
W3 Total Cache 0.9.5.4
» Frederick Townes (url)
The highest rated and most complete WordPress performance plugin. Dramatically improve the speed and user experience of your site. Add browser, page, object and database caching as well as minify and content delivery network (CDN) to WordPress.
» Lester 'GaMerZ' Chan (url)
Manages your WordPress database. Allows you to optimize database, repair database, backup database, restore database, delete backup database , drop/empty tables and run selected queries. Supports automatic scheduling of backing up, optimizing and repairing of database.
Hello Dolly 1.6
» Matt Mullenweg (url)
This is not just a plugin, it symbolizes the hope and enthusiasm of an entire generation summed up in two words sung most famously by Louis Armstrong: Hello, Dolly. When activated you will randomly see a lyric from Hello, Dolly in the upper right of your admin screen on every page.