GitHub repository: DonWasyl/flutter_awesome_select
Description: Forked from https://github.com/davigmacode/flutter_smart_select, updated legacy code, migrated to null safety and more. AwesomeSelect allows you to easily convert your usual form select or dropdown into dynamic page, popup dialog, or sliding bottom sheet with various choices input such as radio, checkbox, switch, chips, or even custom input. Supports single and multiple choice.