AbcSubmit is described as 'Easy to use interface, including Drag and Drop, Website Templates, Form Templates, and lots of UX Designer tools' and is an website in the Development category. There are four alternatives to AbcSubmit, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Windows Mobile. The best alternative is wxFormBuilder, which is both free and Open Source. Other great sites and apps similar to AbcSubmit are Wolf Responsive Form Maker (Paid), Webix Form Builder (Free, Open Source) and Touchbase - Contact Form Builder (Paid).
Webix Form Builder tool is intended to speed up the process of form creating. You just need to define the necessary fields as well as the desired form layout and then customize the auto generated form through the visual editor.