Mumble VS Code-Server

I think Sonobus is overkill. I suggest you look at a couple of relatively old-school gamer voice chat tools - Mumble or Teamspeak. Mumble is open-source and the connection is always encrypted, Teamspeak is commercial but the free tier should be fine for you - but you have to make sure to manually turn encryption on yourself. It has been a long time since I used either, so I don't know which is easier. Both of them require you to run their matching server software.

Mumble's latency is unbeatable imo, it's basically their main focus and shows.

The sticking point for me is the lack of persistent messages, something the devs strangely think is a privacy plus. Issue open since 2016: https://github.com/mumble-voip/mumble/issues/2560

If you drop out for a minute you won't have access to anything that was posted in chat, which makes it useless for anything other than voice only comms, that might suit some business purposes but I've always needed to post links or screenshots in chat during meetings.

There's any number of alternative chat applications available, like Element, Mumble, Teamspeak etc.

Mumble?

I think Mumble might fit what you're looking for. It's been a very long time since I've used it, but it seems to still exist: https://www.mumble.info/ - I've used previously for exactly what you're describing, events with lots of crew dispersed around and no budget for radios. I had it installed on an AP running OpenWRT so it was just a case of plugging that in and getting people to install the app and connect to it.

Along with the options already mentioned, if you're not into TeamSpeak, there is an open source alternative called Mumble which operates in the same manner. No internet required, and is supported on multiple platforms.

Disclaimer: The whole process happens locally in the tablet, therefore all the programs are executed inside the tablet. I saw some other tutorials where people use code-server and besides the coding experience might look the same, running the full OS offers more capabilities.

Code-server is an open-source tool that allows you to run VSCode, a popular integrated development environment (IDE), on a remote server through the browser. This setup essentially turns VSCode into a cloud-based IDE, providing flexibility and accessibility advantages.

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Code Server is an open-source project that allows you to run Visual Studio Code (VS Code) in a remote server environment, accessible through a web browser. VS Code is a popular source code editor developed by Microsoft, known for its lightweight and extensible nature.

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> Is there any web-based version of VSCode other than VSCode.dev or any open source alternative?

This maybe? https://github.com/coder/code-server

https://github.com/coder/code-server is like vscode.dev but self hosted

If you're just looking for an alternative to codesandbox, why not take the https://github.com/coder/code-server? It's basically a hosted VS code.