OwnCast is a Fediverse alternative to Amazon's Twitch. It's a livestreaming platform with built-in chat. You can chat without an account, or use your Mastodon etc account to verify your chat identity. Lots more info here:
鉃★笍 https://fedi.tips/owncast-live-streaming-and-chat-on-the-fediverse
If you'd like to try it out, you can follow this OwnCast account that holds regular music streams and it will post in your Mastodon etc feed when it next goes live:
鉃★笍 @video
