The old Google Chat app was built with Electron, a framework for developing apps using the server-side JavaScript runtime, node.js, and Google's high-powered JavaScript engine, V8.

Google Chat, the service formerly known as Hangouts Chat, has a new app that works on any PC with Chrome. The messaging service has long had a desktop application, but this Progressive Web App ...

The app gives users the chance to chat anonymously across Windows, Mac and Linux systems.