Contact Form 7 - Contact Form 7 is a tool to manage multiple contact forms.
Paperform - A digital Swiss Army Knife for Small Businesses
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.
Touchbase - Contact Form Builder - Build beautiful contact forms, feedback forms, registration forms and surveys for your website.
Torro Forms - Torro Forms is a drag & drop form builder plugin that is easy to use for administrators, yet flexible to extend for developers.
AbcSubmit - Create forms with ease using our form creator software. Add and personalize form fields according to your individual needs. Generate custom reports to view and analyze all your form submissions.