@Violet I don't know about building a special webapp, but would just _plopping in the Twitch chat_ and removing the background with CSS work? I bet that'd be feasible.
They have browser sources on non-Windows finally, if you're using something not-Windows.
@Violet Ah! Browser devtools will help you there: if you open the chat in a browser too you can poke around with the inspector, and try to do things with say the page background color there.
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