You could have downloaded BrowserDispatcher 0.1.5 for Mac from our software library for free. This free software for Mac OS X is an intellectual property of Andriy Hrytskiv. The application lies within Developer Tools, more precisely Webmaster Tools.
From the developer:
Browser Dispatcher is an application that decides which browser to use when you click on a link outside of your web browser. Based on your settings, it will display a prompt allowing you to select from a list of browsers or automatically select a browser to open a link with.
You may want to check out more Mac applications, such as MacCVSClient X, AlbumEnabler or RAGE WebDesign, which might be related to BrowserDispatcher.