Greasy Fork is available in English.
Open stream directly by middle-clicking any stream on tl.net (Teamliquid)
If you wish for Twitch to always play sound upon opening the stream, then:
1. For Chrome, head over to:
chrome://settings/content/siteDetails?site=https%3A%2F%2Fwww.twitch.tv
and set Sound to Allow.
2. For Firefox:
I've tested it out on Chrome and Firefox using Tampermonkey, but it should also work with Safari and Tampermonkey or Userscripts.
Get Tampermonkey:
Chrome: https://chromewebstore.google.com/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo?hl=en
Firefox: https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/
Safari: https://apps.apple.com/us/app/tampermonkey/id6738342400
Get Userscripts: https://apps.apple.com/us/app/userscripts/id1463298887