Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Yoast - Yoast offers plugins to improve SEO and optimize web sites and blogs.
WP Rocket - WP Rocket offers a caching plugin for Wordpress.
Jackmail - A newsletter plugin for Wordpress.
Pareto Security - Pareto Security is a Wordpress Security plugin
Wordfence - Comprehensive security plugin for WordPress.