WordPress SEO by Yoast improves your WordPress SEO. You can write better contents and have a fully optimized WordPress site using the WordPress SEO plugin by Yoast.
Contact Form 7 can manage multiple contact forms, plus you can customize the form and the mail contents flexibly with simple markup. The form 7 supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering and so on.
All in One SEO Pack is a best WordPress SEO plugin that automatically optimize your WordPress blog or website for Search Engines such as Google & Yahoo.
Facebook Like Box Widget is a social plugin that enables Facebook Page owners to attract and gain Likes from their own website.
Easy Web Performance Optimization (WPO) using caching: browser, page, object, database, minify and content delivery network support.
This is the only WordPress Performance Optimization (WPO) framework that is designed to improve user experience and page speed.
Recommended by top web hosts like: Synthesis, DreamHost, Go Daddy, Host Gator, MediaTemple and many more.
Jetpack is a WordPress plugin that supercharges your self-hosted WordPress site with the awesome cloud power of WordPress.
The Google Analytics by Yoast plugin for WordPress allows you to track your blog easily and with lots of metadata.
This plugin generates static html files from your dynamic WordPress blog. After a html file is generated your webserver will serve that file instead of processing the comparatively heavier and more expensive WordPress PHP scripts.
This plugin provides the
wp_pagenavi() template tag which generates fancy pagination links.
Create a responsive(mobile friendly) or fullwidth slider with must-see-effects and meanwhile keep or build your SEO optimization (all content always readable for search engines). See the heaps of custom transitions/animations for each object on the page! Customize this slider with our convenient drag&drop backend to your very needs.
11) NextGEN Gallery
NextGEN Gallery is the most popular WordPress gallery plugin, and one of the most popular WordPress plugins of all time, with over 10 million downloads.
Google Analyticator also includes several widgets for displaying Analytics data in the admin and on your blog.
WP-Polls Adds an AJAX poll system to your WordPress blog. You can also easily add a poll into your WordPress’s blog post or page.
WooCommerce is a powerful and extendable eCommerce plugin that helps you sell anything. This transforms your WordPress website into a thoroughbred eCommerce store. This delivers enterprise-level quality and features, backed by a name you can trust.
WordPress Popular Posts is a highly customizable widget that displays the most popular posts on your blog or website.
16) Digg Digg
With Digg Digg by Buffer, you have an all in one social sharing plugin for your blog. Display all social sharing buttons nicely on your blog and make it look amazing, just like Mashable.
LayerSlider WP is a premium multi-purpose slider for creating image galleries, content sliders, and mind-blowing slideshows with must-see effects, even from your WordPress posts and pages. It uses cutting edge technologies to provide the smoothest experience that’s possible, and it comes with more than 200 preset 2D and 3D slide transitions.
This add-on add 20 circle and 15 square CSS3 transitions of hover thumbnail to the Visual Composer. Most of the transitions have 4 type of directions, thumbnail support lightbox or custom link, give user a lot of flexibility to add a grid gallery.
The MailChimp plugin allows you to quickly and easily add a signup form for your MailChimp list as a widget on your WordPress 2.8 or higher site.
20) Audio Player
Audio Player is a highly configurable but simple mp3 player for all your audio needs.
AddThis Share Buttons help drive traffic to your site by helping visitors share, bookmark and email your content to over 330 services.
The Social Media Widget is a simple sidebar widget that allows users to input their social media website profile URLs and other subscription options to show an icon on the sidebar to that social media site and more that open up in a separate browser window.
Simple Social Icons is an easy to use, customizable way to display icons that link visitors to your various social profiles. With it, you can easily choose which profiles to link to, customize the color and size of your icons, as well as align them to the left, center, or right, all from the widget form (no settings page necessary!).
This plugin allows you to implement super security captcha form into web forms.
bbPress is forum software, made the WordPress way.