Mozprofile - Archive of obsolete content
mozprofile is a python tool for creating and managing profiles for mozilla's applications (firefox, thunderbird, etc.).
... profilemanager : xulrunner application for managing profiles.

Setting Up a Development Environment - Archive of obsolete content
you can learn about setting up multiple firefox profiles in the mozilla support article managing profiles.

Index - Archive of obsolete content
566 mozprofile junk mozprofile is a python tool for creating and managing profiles for mozilla's applications (firefox, thunderbird, etc.).

Profile Manager
see http://kb.mozillazine.org/profile_manager#accessing_the_profile_manager for an alternative method of managing profiles.