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!
Jetpack - Jetpack offers SEO and security plugins for Wordpress.
Jotform - Free Online Form Builder & Form Creator
WP User Manager - The most customizable profiles, community builder and membership WordPress plugin
FORM.com - FORM.com is an enterprise mobile forms software and solutions perfect for optimizing online and offline inspection, audit, compliance operations and more.
UpStream Plugin - UpStream Plugin is a free-to-use project management plugin that allows you to manage various types of projects right from your WordPress site.