https://pub.dev/packages/grouped_list grouped_list: ^4.1.0 https://pub.dev/packages/grouped_list/example import 'package:flutter/material.dart'; import 'package:grouped_list/grouped_list.dart'; void main() => runApp(MyApp()); List _elements = [ {'name': 'John', 'group': 'Team A'}, {'name': 'Will', 'group': 'Team B'}, {'name': 'Beth', 'group': 'Team A'}, {'name': 'Miranda', 'group': 'Team B'}, {'..