Yep, and via your link, so it appears. Though I've used neither (yet), I believe that both 'options' could prove useful still ...
I use the free f.lux, which works on practically all devices & operating systems: https://justgetflux.com
Is this just a blue light filter?
I think it's beneficial for the people who are using Windows 7,8,8.1 or even lower. Coz Windows 10 already have this feature.... Or am I missing something? Good find though
Version is v0.4.0Download size is 8.08 MBSupports Windows XP, Vista, 7, 8/8.1, and 10 (32-bit and 64-bit)