Tinychat is The most prevalent and most used web-based chat client. It’s easy to see why – “registration” is merely typing in the name of your room and your username can either be a normal nickname, Twitter name or Facebook name. It is rich, fast and supports webcams.
Tinychat is a dead simple, free to use video/audio/desktop chat system. It is entirely web based, requires no downloads or plugins (aside from Flash) and works on all browsers and operating systems.
Easy video chat for groups!
Share up to twelve broadcasts simultaneously! With text, video, and audio chat, you and your friends can connect and talk from anywhere in the world.
No installation needed.
Tinychat uses a browser-based flash client to share your camera and microphone broadcast with anyone who joins your chat.