phpBB extension - list of streams
Currently supported only youtube & twitch. It's still alpha release - it's working but it have very limited functionality.
Clone into phpBB/ext/cecilius/streamlist:
git clone https://github.com/cecilius/streamlist.git phpBB/ext/cecilius/streamlist
Go to "ACP" > "Customise" > "Extensions" and enable the "Stream List" extension.