A material theme editor and generator for Flutter to configure and preview the overall visual theme of your material app.
And Appainter is a tool which allows you to edit and preview your theme, export and import it as a JSON file - https://appainter.dev/
Appwrite - The Open Source Firebase alternative introduces iOS support. Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!
ThemeData is a mess
2 projects | reddit.com/r/FlutterDev | 20 Sep 2022
Appainter - A material theme editor and generator for Flutter
2 projects | reddit.com/r/FlutterDev | 18 Feb 2022
[Proof of Concept] Flutter Theme - A Flutter Material Theme Editor
2 projects | reddit.com/r/FlutterDev | 7 Jun 2021
17 projects | news.ycombinator.com | 11 May 2022
Theme picker for users?
2 projects | reddit.com/r/flutterhelp | 7 Apr 2021