DarkAdapted, a full-featured application that controls screen gamma on any display, has been updated to version 2.1, with more than 40 enhancements for Mac users. DarkAdapted offers two levels of functionality: DarkAdapted Standard and DarkAdapted Pro. Users may download a single package, and try DarkAdapted Pro’s advanced features free of charge. DarkAdapted requires Mac OS X 10.2 or later and is priced at US$10 for the Pro version — the standard version is free.