Typeform vs Simple Form: What are the differences?
Developers describe Typeform as "Forms & surveys for the people". Build beautiful and engaging next-generation online forms, surveys, quizzes, landing pages, and much more with Typeform. On the other hand, Simple Form is detailed as "Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup". It aims to be as flexible as possible while helping you with powerful components to create your forms. The basic goal is to not touch your way of defining the layout, letting you find the better design for your eyes.
Typeform and Simple Form can be primarily classified as "Web Forms" tools.
Simple Form is an open source tool with 7.45K GitHub stars and 1.24K GitHub forks. Here's a link to Simple Form's open source repository on GitHub.