Visual Form Builder is described as 'VFB Pro is an affordable WordPress plugin that helps you build beautiful, fully functional contact forms in only a few minutes without writing PHP, CSS, or HTML' and is a Form Builder in the Office & Productivity category. There are more than 10 alternatives to Visual Form Builder for a variety of platforms, including Self-Hosted solutions, Wordpress, Mac, Windows and Linux. The best alternative is Forminator, which is both free and Open Source. Other great apps like Visual Form Builder are Contact Form 7 (Free, Open Source), Very Simple Contact Form (Free, Open Source), Torro Forms (Free, Open Source) and MightyForms (Freemium).
Contact Form 7 can manage multiple contact forms, plus you can customize the form and the mail contents flexibly with simple markup. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering and so on.