Chatterino - Chatterino is a chat client for twitch chat.
Alcamy - Free, open self-learning platform. Learn & teach anything.
Chatty - Chat with strangers all around the world in Messenger
EduDo - EduDo is a video discussion platform
Restream Chat - Restream Chat is a versatile software that permits you to streamline multiple chats in one place.
Lrnkey - Lrnkey.com is a global online marketplace that easily connects you to live instructors and tutors across the planet.