Ehmehgerd, a bonbiscuit website just for useful information.
If KEKWs and catJAMs are showing up as text for you or if you want a full list, see BTTV emotes.
For a full list of chat commands, see Commands.
I use Alejo’s pronouns extension for Twitch. You can set your pronouns at pronouns.alejo.io or see others in chat by downloading a browser extension.