This great map manager is courteousy of
XopZ.
Here is a few of the great features the XMM map manager has:
-Place your maps in A,B or C locations.
-Map Installation is just 2 clicks away.
-The ability to select/unselect WAC files. (For Atmospheric FX: Snow, Lightning and Earthquake.)
-An option to move all maps to newly created folder: xmmapz
-Restore default maps.
-Make back-up's of your precious demores.pff.
-Execute DF:BHD right from XMM.
-Execute C4-Editor right from XMM.
-Maplist automatically updated every 15 seconds.
-No need to close the manager, just leave it open

.
-And the best of all, it's fast and reliable!
You can download it direct from
HERE.