Appcelerator Titanium

Appcelerator Titanium is a mobile app development framework that makes “no hybrid compromises” to give you cross-platform capabilities for your applications. As with the other frameworks we’ve mentioned, this framework also works with a single codebase (JavaScript, in this case) to create code that can run everywhere. 

Titanium SDK is an open-source framework that allows the creation of native mobile apps on platforms including iOS, Android and Windows UWP from a single JavaScript codebase, developed by Appcelerator.In February 2013, Business Insider estimated that 10% of all smartphones worldwide ran Titanium-built apps. As of 2017, Titanium had amassed over 950,000 developer registrations.The core component of Titanium is the Apache-licensed software development kit, Titanium SDK. Appcelerator also makes Alloy, an Apache-licensed, Titanium-based model–view–controller framework, and Appcelerator Studio a proprietary integrated development environment starting for free.