This article covers professional, free, and widely used scripts you can integrate into your projects. Each recommendation includes a description and an official link.

  1. Contact Form 7: Flexible contact form plugin. (https://wordpress.org/plugins/contact-form-7/)
  2. Ninja Forms: Drag-and-drop form builder. (https://wordpress.org/plugins/ninja-forms/)
  3. WPForms Lite: Beginner-friendly form builder. (https://wordpress.org/plugins/wpforms-lite/)
  4. Forminator: Form, quiz, and poll builder. (https://wordpress.org/plugins/forminator/)
  5. Caldera Forms: Advanced form builder with conditional logic. (https://wordpress.org/plugins/caldera-forms/)

Integrate these scripts carefully according to your project requirements and best practices. Always test performance, compatibility, and security.