React Native - A framework for building native apps with React
B4X - Cross platform development tools for native iOS, Android, desktop and server applications.
Flutter - Build beautiful native apps in record time 🚀
Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript
Deco IDE - Best IDE for building React Native apps
RhoMobile - RhoMobile is a based on the Rhodes open-sources framework that has a massive range of advanced development tools for creating data-centric, native mobile consumer, cross-platform and enterprise application.