Codespaces is the name of GitHub editor online. At the Satellite 2020 virtual conference, GitHub announced four new products for the software developer community, for professionals to teams, from open source projects to enterprise applications.
So what is GitHub Codespaces?
It is a complete cloud-hosted development environment, available directly within GitHub, which allows developers to start contributing to a project immediately.
Codespaces can be configured to load code and dependencies, developer tools, extensions and dotfiles. It also makes it easy to switch between environments.