Formalist

Formalist's clear, readable syntax reduces boilerplate and improves maintainability, as demonstrated in the example code using convenience functions like toggle() and textView().

Supports synchronous and asynchronous validation rules, including common cases like email formats and required fields, with easy error display customization via GroupElement configuration.

Uses FormValue to wrap and observe values, ensuring UI controls stay synchronized without manual updates, as detailed in the documentation for value observation and binding.

Implements responder chain support for automatic tabbing between fields, enhancing user experience in data-entry forms with minimal setup, as explained in the responder chain section.