The 1.2.0 version of BackyardRED is provided as a free download on our website. The most popular versions of the program are 1.2 and 1.1. The program's installer is commonly called BackyardRED.exe or BinaryRivers.BackyardRED.exe etc. This free program is an intellectual property of BinaryRivers Corporation.
From the developer:
BackyardRED is a program that allows you to turn your computer monitor into a night vision friendly monitor without the hassle of carrying a red film or glass to your observing site. You can also adjust the intensity of the red color from the tab that appears on the top of your screen.