Paraphrased from the blog article , "How we built Project IDX: A high-level overview": Project IDX is an experimental browser-based development experience that Google has designed to make the end-to-end multi-platform app development workflow faster and more frictionless. IDX was built on Code OSS , the Visual Studio Code product that Microsoft has open-sourced under the standard MIT license. Every IDX workspace comes with a full Debian-based VM and provides full access to the terminal so you can install your favorite tools. VMs automatically hibernate and activate as needed. IDX workspaces are built on top of Google's Cloud Workstations offering which enable provisioning and scaling of VMs. System software such as tools for running services, scheduling jobs (such as Supervisor), and other custom written jobs such as preview server are packaged within custom Docker containers. With IDX, you can get going in a Flutter environment with just one click instead of wasting hou...