Formidable Form Builder

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WPForms

Constant Contact Forms allows you to create forms that are clear, simple, and mobile-optimized for every device. Choose forms that automatically select the theme and style of your WordPress site. Customize data fields, so you can tailor the type of information you collect.

Contact Form 7 is a WordPress plugin that can be used to create and manage multiple contact forms. The plugin allow you to customize your forms and connect them to email to send confirmation emails designed with flexible and simple markup. Contact Form 7 also provides CAPTCHA and spam filtering with Akismet.

With AidaForm you can easily create, manage and host forms from a single unified platform. AidaForm provides all necessary features related to the process of creating and analyzing forms and submissions. The form builder that comes with AidaForm allows you to quickly and effortlessly design forms, conditionals and form related embeds.

A popular WordPress plugin used for building contact and registration forms for WordPress-powered websites. 

Ninja Forms is a freemium WordPress plugin that can be used to create any type of forms for WordPress-powered websites. The plugin integrates with many popular 3rd party services and can be used to collect registrations, email news letter signups, create surveys and much more. Ninja Forms provides a sleek UI that suits users of all technical level and simplifies the process of managing forms with WordPress dramatically.

WP Fluent Forms is a WordPress plugin that allows you to create fluent forms for your WordPress-powered website. The plugin features a drag-and-drop form builder that can be used to create advanced forms in minutes. WP Fluent Forms is used by thousands of sites to create contact forms, surveys or capturing of other nessesary data.