A flutter package from AsurRaa for widgets and utility functions.
A scrollable, dismissable by swiping, zoomable, rotatable image gallery on which you can add a dynamic overlay. While it is intended for an image gallery different types of widgets can also be used.
An alternative to Overlay which allows you to easily render and hit test a widget outside its parent bounds
A simple but powerful path-based routing system, based on MaterialApp.router (Nav 2.0). It has browser / deeplink support and maintains a history stack as new routes are added.