A: 1- No, users do not need to be logged in to interact with or leave a like on a post. WP ULike allows both logged-in and guest users to engage with posts.
https://docs.wpulike.com/article/14-content-types-settings

2- We don't have a dedicated form builder; we only provide login/register forms. If you'd like to collect specific information through those forms, let us know what you have in mind, and we can guide you. Otherwise, feel free to share more details about your requirements so we can better assist you!