jquery-form
The jQuery Form Plugin allows you to easily and unobtrusively upgrade HTML forms to use AJAX.
htmx-ext-form-json
An HTMX extension for automatic type conversion in form data encoding. automatically converts values based on input types, ensuring correct data representation in JSON without requiring additional attributes or configuration.
slapform
Easily send submission to Slapform, your favorite form backend service.
form-input-list
Parse html and extract all the form input fields with values.