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

Improve your WP security with powerful one-click tools like backup, WAF, and malware scan. Includes free tools like stats, CDN and social sharing.

Categories: General

Limit rate of login attempts, including by way of cookies, for each IP. Fully customizable.

Categories: General

A very fast caching engine for WordPress that produces static html files.

Categories: General

The best WordPress backup and migration plugin. Quickly and easily backup ,migrate, copy, move, or clone your site from one location to another.

Categories: General

Allows administrators to globally disable comments on their site. Comments can be disabled according to post type. Multisite friendly.

Categories: General

Adds breadcrumb navigation showing the visitor's path to their current location.

Categories: General

Delete and REALLY force thumbnail regeneration.

Categories: General

Check posts, pages & all content for broken links to improve SEO. Get notified when bad links are found.

Categories: General

Admin UI for creating custom content types like post types and taxonomies

Categories: General

Easily view your Google Analytics and real-time statistics inside WordPress! Makes it super simple to add your tracking code too.

Categories: General

Adminimize that lets you hide 'unnecessary' items from the WordPress backend

Categories: General

A trustworthy message storage plugin for Contact Form 7.

Categories: General

A simple plugin that enables you to add share buttons to all of your posts and/or pages.

Categories: General

Order posts(posts, any custom post types) using a Drag and Drop Sortable JavaScript. Configuration is unnecessary.

Categories: General

This plugin updates jQuery to the latest stable version on your website.

Categories: General

Access your site's data through an easy-to-use HTTP REST API (Version 1, deprecated).

Categories: General

Exposes Advanced Custom Fields Endpoints in the WordPress REST API

Categories: General

Move Admin bar to the bottom.

Categories: General