The best alternatives to Road Warrior are Conversational Form, Wyzerr, and BlockSurvey. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Road Warrior?
Intercom for Startups— Advanced AI-powered features at a 90% discount
Easily turn any form element on a web page into a conversational form interface. It features conversational replacement of all input elements, reusable variables from previous questions and complete customization and control over the styling.
BlockSurvey is a decentralized way to create and collect surveys and polls. All the surveys and polls results are owned by you and only you can see the results. All your data is secure and only you can view it.
Open source text-based form generator with focus on creating forms that are syntactically-correct, mobile-friendly, accessible & inclusive, look stunning out of the box, and follow best practices that make highly-converting forms (see: http://bit.ly/2OeXMiG)