Gravity Forms is the most popular and powerful form builder plugin for WordPress. It allows you to quickly create complex forms for contact pages, lead generation, payments, user registration, and more.
With its drag-and-drop interface, you can easily build forms with multiple page breaks, conditional logic, calculation fields, file uploads, multi-selects, and specialized field types for dates, phone numbers, prices, and others. Gravity Forms integrates with payment processors like Stripe and PayPal to accept payments. Form submissions can be automatically routed to your email inbox or integrated with CRM and marketing platforms like MailChimp, HubSpot, and Zapier.
Gravity Forms includes the Gutenberg block for embedding forms in WordPress pages. For developers, the plugin is highly customizable with WordPress hooks and filters, as well as GFAPI for programmatically working with forms. There are hundreds of free and premium add-ons to further extend Gravity Forms' functionality.
With several million active installs, Gravity Forms is the go-to choice for both users and developers seeking a full-featured, flexible form solution for WordPress. Its balance of usability and extensibility makes Gravity Forms the most powerful and versatile form builder available.