A plugin that creates and ungroups folders.
Head into releases and click on the latest release, then download the RBXMX file for FolderTool. At the same time, open Roblox Studio and open a template/game. Go into the Plugins tab and click on the Plugin Folder button and place the RBXMX file in the folder that comes up. You may want to set a shortcut to group it, you can do this by pressing File > Advanced > Customise shortcuts and type 'Group' in the search bar that appears and assign a shortcut.