Https://akveo.github.io/react-native-ui-kitten/ is a good alternative, I especially like their demo app, I can just refer a client to that and ask them what screens they like. Source: over 1 year ago

React Native UI Kitten is a React Native implementation of the Eva Design system. It offers a set of general-purpose UI components styled in the same way to take care of visual appearance. There are a lot of standalone components available as well. - Source: dev.to / over 1 year ago

UI Kitten: UI Kitten is a React Native framework for creating stunning cross-platform mobile applications. It is based on Eva Design System and provides a set of general purpose UI components styled in a similar way. - Source: dev.to / over 1 year ago

In the application we built for the client we had two modal instances, the filtering modal (that used the native modal) and an alert modal (where we used UI Kitten's modal). We like the native modal because it offer's us the possibility of deciding how it transitions and it's easier to set it up fullscreen. - Source: dev.to / over 2 years ago

Image source: https://akveo.github.io/react-native-ui-kitten/ React Native UI Kitten – a React Native implementation of the Eva Design system. It offers a set of about 20 general-purpose components styled in the same way to take care of visual appearance. There are a lot of standalone components available as well. The library is based on Eva Design System, containing a set of general-purpose UI components styled... - Source: dev.to / over 2 years ago

? What is the base name of your application? Jhispterdemo ? Which *type* of application would you like to create? Monolithic application (recommended for simple projects) ? What is your default Java package name? com.mycompany.myapp ? Would you like to use Maven or Gradle for building the backend? Gradle ? Do you want to make it reactive with Spring WebFlux? Yes ? Which *type* of authentication would you like to... - Source: dev.to / 8 months ago

The colors primarily, I suppose. Something similar to what you see in https://bootswatch.com/. Source: about 1 year ago

That ^ . And I’ve found the Bootswatch page a very helpful visual aid. https://bootswatch.com/. Source: over 1 year ago

Themes are now supported. Visit Bootswatch for more details. To select a theme use the new option APPSETTINGS_THEME as docker environment variable or in the appsettings.json file. Source: over 1 year ago

Others have said Bootstrap already, let me just chime in and point you towards bootswatch (https://bootswatch.com/) , they have great, free themes with great examples, I basically learned bootstrap in large parts by copying example code from their site and tweaking it to my needs / dissecting and trying to understand it. Source: over 1 year ago