[alykhalid]

This might be helpful.

https://github.com/VSCodium/vscodium

It is a repository of scripts to automatically build Microsoft's 'vscode' repository into freely-licensed binaries with a community-driven default configuration.

[jh86]

I believe the license for the VScode C# plug-in prohibits using it with VScodium.

I didn’t know this until recently when someone pointed it out.

https://github.com/dotnet/core/issues/505

Thought it was relevant since OP is talking about a Linux IDE for C#