Wordpress Plugins 
Mozilla Firefox Addons 
Google chrome Extensions 
Yoast SEO Improve your WordPress SEO: Write better content and have a fully optimized WordPress site using Yoast SEO plugin.
Total Downloads: 34M Download Plugin
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
Total Downloads: 3.9M Download Plugin
WP Smush - Image Optimization Reduce image file sizes, improve performance and boost your SEO using the free WPMU DEV WordPress Smush API.
Total Downloads: 3.9M Download Plugin
Contact Form DB Saves submitted form data to the database. Export the data to a file or use shortcodes to display it.
Total Downloads: 3.5M Download Plugin
WP Maintenance Mode Adds a splash page to your site that lets visitors know your site is down for maintenance. It's perfect for a coming soon page.
Total Downloads: 2.5M Download Plugin
WP Retina 2x Make your website look beautiful and crisp on modern displays by creating and displaying retina images. WP 4.4+ is also supported and enhanced.
Total Downloads: 1.6M Download Plugin
Events Manager Fully featured event registration management including recurring events, locations management, calendar, Google map integration, booking management
Total Downloads: 1.6M Download Plugin
WP User Avatar Use any image from your WordPress Media Library as a custom user avatar. Add your own Default Avatar.
Total Downloads: 1.5M Download Plugin
Redux Framework Redux is a simple, truly extensible and fully responsive options framework for WordPress themes and plugins. Ships with an integrated demo.
Total Downloads: 1.4M Download Plugin
Search & Replace Search & Replace data in your database with WordPress admin, replace domains/URLs of your WordPress installation.
Total Downloads: 1.2M Download Plugin
Facebook Button by BestWebSoft Add Facebook Follow, Like, and Share buttons to WordPress posts, pages, and widgets.
Total Downloads: 1M Download Plugin
Blubrry PowerPress Podcasting plugin No. 1 Podcasting plugin for WordPress, with simple & advanced modes, players, subscribe tools, and more! Supports iTunes, Google Play, Stitcher...
Total Downloads: 1M Download Plugin
WooSidebars WooSidebars adds functionality to display different widgets in a sidebar, according to a context (for example, a specific page or a category).
Total Downloads: 874.8K Download Plugin
YITH WooCommerce Ajax Product Filter YITH WooCommerce Ajax Product Filter offers you the perfect way to filter all products of your WooCommerce shop.
Total Downloads: 847.5K Download Plugin
Link Library The purpose of this plugin is to add the ability to output a list of link categories and a complete list of links with notes and descriptions.
Total Downloads: 819.4K Download Plugin
Form Builder Form Builder is an intuitive tool for creating contact forms rearranging and editing fields.
Total Downloads: 705.9K Download Plugin
Booking Calendar Booking Calendar plugin - is the ultimate booking system for online reservation and availability checking service for your site.
Total Downloads: 656.7K Download Plugin
Social Media Share Buttons | MashShare Social Media Share Buttons for Twitter, Facebook and other social networks. Highly customizable Social Media ecosystem
Total Downloads: 599.1K Download Plugin