EchoWaves

HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable chat history, file sharing via drag & drop and clipboard, inline …

Tlk2me is simple real-time messaging platform which is designed exclusively for groups. It is a web-based group chat tool that lets create chat rooms instantly. Invite a friend, client, colleague, …

Disposable online chat. With anologue you can quickly and easily engage in an anonymous (or not) linear dialogue with any number of people (within reason). No accounts. No installations.

Campfire is a simple web-based real-time group chat tool for business. It makes real-time communication with 2-60 people as simple as visisting a web page. It’s elegant, easy, and web-based. …

Free Group / Team chat with persistent history.

Open Source private chat server. Your own private Chat server in minutes, plus additional features. No credit card required. A fast, secure and stable solution based on Rails.

YoFrog is mobile group chat with private rooms of friends. When texting is too limited and tweeting too public, make a space for you and your friends.