FileMatrix is an excellent file management and navigation program.
    This unique utility uses upto ten columns and thirty boards to manage all your files. Data from different directories on your system can be placed in different columns in different boards for easy categorization. If a column has been unsaved before quitting, this program saves it automatically so that you can pick up working from the point you had left. It works in an explorer like style, click a column and the data is displayed on the right side of the window. It has also a file viewer integrated for viewing multimedia files. The program allows nine clicks and six drag operations at the same time. The interface will be comprehensible after a little hands-on practice with the tool.
    The program has numerous other features which make it a powerful file management utility with navigation and text finding functionalities which will satisfy all your complex needs.