For Finale 27.3 and later, you do not need to download this plug-in separately. Use the shipping version instead, and consult the official Finale documentation on Mac and Windows for more information.
For Finale 25 through 27.2. This Finale plug-in contains 9 different note spacing styles that can be applied easily to a region in the document, through a modeless window interface. A feature to set the selected mode as the default for the document is also available.