Cross platform development tools for native iOS, Android, desktop and server applications. B4X is a Rapid Application Development (RAD) tool for real world apps. The programming language is a modern version of Visual Basic.
Appcelerator Titanium, offered for free by Appcelerator, lets web developers use web technologies, open source and cloud computing to build native apps for iPhone, Android, Windows, Mac OSX and Linux.Discontinued
On February 2021, Axway announced that Appcelerator Titanium has been discontinued, with support ending on March 1, 2022. All private source code will be made open source by this date. https://www.axway.com/en/appcelerator-end-of-life
This app was discontinued on April 13, 2018.
Capacitor is a cross-platform app runtime that makes it easy to build web apps that run natively on iOS, Android, and the web. We call these apps "Native Progressive Web Apps" and they represent the next evolution beyond Hybrid apps.