Multiscreen Blank is described as 'V2 is an easy-to-use utility that allows you to independently blank out or dim one or more monitors connected to your computer, as well as mirroring the contents of screens that are physically located in another room or turned off' and is an app. There are six alternatives to Multiscreen Blank for Mac and Windows. The best Multiscreen Blank alternative is Solace. It's not free, so if you're looking for a free alternative, you could try Dimmer or PangoBright. Other great apps like Multiscreen Blank are DimScreen, Display Flow + Care and Gamma Dimmer.