Wordpress Plugins 
Mozilla Firefox Addons 
Google chrome Extensions 
Jetpack by WordPress.com Increase your traffic, view your stats, speed up your site, and protect yourself from hackers with Jetpack.
Total Downloads: 28.9M Download Plugin
Simple Share Buttons Adder A simple plugin that enables you to add share buttons to all of your posts and/or pages.
Total Downloads: 1.5M Download Plugin
404 Redirection Permanently redirect all 404's to the main blog URL. The primary purpose is to salvage Google PageRank (TM) from missing pages.
Total Downloads: 145.5K Download Plugin
2 Click Social Media Buttons Facebook-Like/Empfehlen, Twitter, Flattr, Xing, Pinterest, t3n, LinkedIn und Googleplus dem deutschen Datenschutz entsprechend in WordPress.
Total Downloads: 143.8K Download Plugin
Weather and Weather Forecast Widget Get the most beautiful weather info on your WordPress site using Weather Underground or Worldweatheronline!
Total Downloads: 128.5K Download Plugin
Ad Squares Widget Supports AdSense®, Javascript, XHTML and PHP code. This widget makes it possible for you to display 125x125 ad squares ( or some other configurable s
Total Downloads: 103.9K Download Plugin
Total Downloads: 62.7K Download Plugin
404page - your smart custom 404 error page Custom 404 the easy way! Set any page as custom 404 error page. No coding needed. Works with (almost) every Theme.
Total Downloads: 61.9K Download Plugin
User Registration Aide Adds custom user fields to better manage users & members & customize login-registration page css & messages. Lets you customize the entire
Total Downloads: 61.9K Download Plugin
reflex gallery ReFlex Gallery is an easy to use responsive WordPress Photo Gallery Plugin that is two gallery plugins in one.
Total Downloads: 57.4K Download Plugin
Google Analytics Injector Google Analytics Injector plugin let you inject Google Analytics tracking code into your website to
Total Downloads: 27.9K Download Plugin
Recommended Reading: Google Reader Shared Recommended Reading gets the shared items from your Google Reader account. Includes easy configuration, widget support, ability to embed in a page or
Total Downloads: 15.9K Download Plugin
Total Downloads: 14K Download Plugin
Ajax Pagination and Infinite Scroll Choose infinite scroll, load more button or pagination. Load paged content with Ajax on your posts, pages, search, custom post types and WooCommerce.
Total Downloads: 12.7K Download Plugin
Logo Slideshow Logo Slideshow is a nice WordPress Slideshow for showing your Customer's Logos with Links.
Total Downloads: 11.7K Download Plugin
Twitter Tools: bit.ly Links Makes the links that Twitter Tools posts to Twitter be API-created bit.ly links so you can track the number of clicks and such via your bit.ly account
Total Downloads: 10.3K Download Plugin
Total Downloads: 10.3K Download Plugin
Custom Dashboard Help Widget Add a custom widget to the dashboard to display announcements, help or other information users will see at login.
Total Downloads: 8.4K Download Plugin