Pub.dev, the Dart package repository, written in Dart
Have you checked pub.dev? If it is not there then you might have to make your own and seeing the image, it isn't that hard too.
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
[question] iproxy to jailed idevice?
1 project | reddit.com/r/jailbreak | 22 Jan 2022
Flutter Supabase Authentication
2 projects | reddit.com/r/FlutterDev | 21 Jan 2022
Major project app question on flutter
1 project | reddit.com/r/developersIndia | 21 Jan 2022
Nedium: A libre, cross-platform client to browse Medium
1 project | news.ycombinator.com | 21 Jan 2022
Freezed Kullanarak Flutter'da JSON Nasıl Ayrıştırılır?
2 projects | dev.to | 21 Jan 2022