Ultimate Member - The easiest way to create powerful online communities and beautiful user profiles with WordPress.
Forminator - The unbelievable free form plugin you have been looking for
Paid Memberships Pro - The complete membership solution for your WordPress site.
Contact Form 7 - Contact Form 7 is a tool to manage multiple contact forms.
WP User Frontend - The Ultimate Frontend Solution for WordPress to let your users manage everything from Frontend!
Gravity Forms - Gravity Forms is one of the best and easiest contact form plugins to create modern forms for websites powered by widely-used WordPress.