Scoop is my favourite package manager on Windows. I'm also familiar with Winget and Chocolatey, but something has always felt off with them.

AltSnap is something that lets you drag and/or resize a window by holding the Win key and then clicking anywhere on the window instead of having to reach for the edges or the titlebar.

ClickMonitorDDC is my go-to for controlling brightness of desktop monitors. Also, on my work laptop I've set it to sync the laptop display brightness with the brightness of the external monitors. In combination with a macropad/keyboard with rotary encoders it is pretty good. Sadly, it's practically abandonware at this point - the original site is down and there are only a few mirrors - but it still works fine for the most part.

Clink + Clink completions + oh-my-posh + fzf is my favourite combo for the command line. The cool thing about oh-my-posh is that it's multiplatform and that its configuration is portable, so I can also install it on top of bash/zsh and have the same prompt I'm used to.

FanControl is something that I can't believe exists as a free app. It's so much better than motherboard vendor software for the same purpose - not only works reliably, but also lets you do things that the motherboard software usually does not - e.g. linking a case fan curve to the GPU temp. Last time I used GNU/Linux I had to manually write configs for lm-sensors, which works, but is a tedious process. I just found out about CoolerControl - looks promising, but haven't tried it myself.