React Native is a cross-platform application development framework created and sponsored by Facebook.
Flutter is a Google open-source and free framework that lets you construct native Android and iOS apps with a simple codebase.
Xamarian is a cross-platform application development framework that helps in developing the application for both iOS and Android devices.
Swiftic is a do-it-yourself mobile app platform that aims to make it simple for anyone to create custom apps for their business.
Ionic is a framework that allows you to create Progressive Web Apps (PWAs), hybrid mobile applications, and cross-platform mobile apps.