About Visual Studio Code
From wikipedia: Visual Studio Code is a free source-code editor made by Microsoft for Windows, Linux and macOS. Features include support for debugging, syntax highlighting, intelligent code completion, snippets, code refactoring, and embedded Git. Users can change the theme, keyboard shortcuts, preferences, and install extensions that add additional functionality.
Availability
Visual Studio Code is available for download via https://code.visualstudio.com/Download
Supported Operating Systems

Available for Windows, Mac, and Linux.
VPN requirement

Connection to campus VPN is not required.