Propane App lets you use Campfire with the "always on" advantages of a desktop app:
Conducting group chats in a web browser is a huge win, and Campfire™ is an exceptional example of a full-featured application that runs in an ordinary browser. But if you use Campfire™ for hours every day, a web browser simply can't deliver the desktop-grade experience you expect from an application that's "always on". With a clean interface, smart drag-and-drop, custom notifications and more, Propane makes Campfire™ a joy to use on Mac OS 10.5.
One neat thing you can do with it is copy transcript text and paste it neatly somewhere else:
