Command-line interface for building NativeScript apps
The NativeScript CLI lets you create, build, and deploy NativeScript-based apps on iOS and Android devices. NativeScript is a cross-platform JavaScript framework that lets you develop native iOS and Android apps from a single code base. The framework provides JavaScript access to the native APIs, user interface, and rendering engines of iOS and Android. By using JavaScript or TypeScript, you can create one project that builds into an iOS or Android app with completely native user experience....
A Java to iOS Objective-C translation tool and runtime
...J2ObjC supports most Java language and runtime features required by client-side application developers, including exceptions, inner and anonymous classes, generic types, threads and reflection. JUnit test translation and execution is also supported. J2ObjC cannot convert Android binary applications. Developers must have sourcecode for their Androidapp, which they either own or are licensed to use.