Oracle Mobile Application - Oracle Mobile Application framework or Oracle Mobile Application development platform is a hybrid mobile framework for rapidly developing single source applications for many platforms and devices.
AppGyver Composer - Visual enterprise-grade low code mobile app builder
Mendix - Mendix is the fastest and easiest low-code platform used by businesses to create and continuously improve mobile and web apps at scale.
OutSystems - Build Enterprise-Grade Apps Fast.
Xamarin - Create iOS, Android and Mac apps in C#
Tabris - Native apps from one code base: