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 visiting a web page.
Publisher: 37signals LLC
This mobile web site can be pinned to your Windows Phone Start screen and accessed seamlessly using WebApps for Windows Phone. You can download WebApps from the Windows Phone 7 Marketplace or the Windows Phone 8 Store, or by tapping the "Access using WebApps" button above.