Campfire is a simple web-based real-time group chat tool for business. It makes real-time communication with 2-60 people as si ...

Collabe is an ideal tool for any company size or industry and is quite effective in really boosting your collaboration efforts ...

Open Source private chat server. Your own private Chat server in minutes, plus additional features. No credit card required. A ...

Free Group / Team chat with persistent history.

Hyphen is an inter-company messaging app that allows businesses to instant message each other. Start building relationships, n ...

HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searc ...