HTML5

HTML5

 A markup language that is used to create web pages and mobile apps.
Xamarin

Xamarin

 A cross-platform development platform that allows developers to build apps for Android, iOS, and Windows using C#.
Flutter

Flutter

A cross-platform development framework that uses Dart to build beautiful, high-performance apps for Android, iOS, and web.
React Native

React Native

A cross-platform development framework that uses JavaScript to build native-looking apps for Android and iOS.
Kotlin (Android)

Kotlin (Android)

A modern programming language that is fully interoperable with Java and can be used to develop native Android apps.