Plugins on the list:

Just another contact form plugin. Simple but flexible.

Categories: Forms

Improve your WordPress SEO: Write better content and have a fully optimized WordPress site using the Yoast SEO plugin.

Categories: Seo

The best free Google Analytics plugin for WordPress. See how visitors find and use your website so you can grow your business with powerful analytics.

Categories: General

Redirection

By John Godley

Manage 301 redirects, track 404 errors, and improve your site. No knowledge of Apache or Nginx required.

Categories: General

Disqus is the web's most popular comment system. Use Disqus to increase engagement, retain readers, and grow your audience.

Categories: General

Security plugin to protect your blog or website against exploits and spam injections.

Categories: General

Hide the Admin Bar in WordPress 3.1+.

Categories: General

Kwayy HTML Sitemap will generate HTML (not XML) sitemap for your sitemap page. The plugin will show Page, Posts and also Custom Post Types.

Categories: General

A utility plugin that runs database operations on your WP database to change settings and clean up unwanted trackbacks, pingbacks, and comments.

Categories: General

Save all contact form 7 form submitted data to the database, View, Ordering, Change field labels and Import/Export data using CSV.

Categories: General