Chatterino is described as 'chat client for twitch chat. It aims to be an improved/extended version of the twitch web chat' and is an app in the Social & Communications category. There are five alternatives to Chatterino for a variety of platforms, including Windows, Linux, Mac, Steam and SaaS. The best alternative is Chatty, which is both free and Open Source. Other great apps like Chatterino are Tc chat client for Twitch (Free, Open Source), Lirelechat (Free), RutonyChat (Paid) and Chat Game Fontificator (Free, Open Source).
Tc is a free and open-source desktop chat client for Twitch . FEATURES STREAM PREVIEW - See thumbnail, title and current viewers when live. CHATTER MENU - User info and moderation buttons. TABS - Join as many channels as you want.
Lirelechat is a multi-column chat for streamer, this chat can display many messages without lag. It uses very little CPU and RAM while providing lots of features to keep your chat readable. Chat for Twitch Live, Mixer Live and Youtube live.
RutonyChat is a program that allows users to capture chat messages and notifications from various streaming platforms and shows them to leading streaming programs (i.e. OBS or Xsplit) or another programs for recording video.
The Chat Game Fontificator is a Twitch chat display that visually imitates the text boxes from various video games. Its intended use is as a part of a Twitch video game stream in place of less pretty chat windows.