Where to download NativeScript
You can download NativeScript CLI through NPM, after installing Node.js:
npm install -g nativescript.
Current version: What’s new in NativeScript 5.0
In NativeScript Version 5.0, Progress is adding a schematic for building web and mobile apps from one project. Developed with the builders of the popular Angular framework, NativeScript-Schematics integrates with the Angular CLI, in an effort to provide a unified experience for building multiplatform apps in a single project. Code can be kept in one place and shared among the web, iOS ,and Android.