User Role Editor Pro 4.15 was published at August 30th, 2014. This release includes new additional module “Widgets Access”. Using this add-on you may limit the list of widgets available under “Appearance” menu to other users whose role includes “edit_theme_options” capability. For more information (how to activate and use “Widgets Access” add-on) read this post “Block selected widgets under Appearance menu”.
Six different subscription plans are available for your convenience. Premium support and automatic plugin update are included.