Any program that communicates with USB connected hardware via a non-standard, Windows only USB driver as provided by the hardware vendor. In other words, you can't just plug a device into any OS and start programing it via a standard USB driver.
Free and Open Source Software
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
adobe lightroom and photoshop. no, darktable and gimp are not as good. darktable barely functions with a trackpad and gimp is like photoshop from 2010.
Affiinity Photo, Affinity Designer and Affinity Publisher for me. I can't afford the Adobe stuff, and the Affinity software is pretty decent, but still not OSS.
~~Apart from the new Beta features, I've found 90% of my Photoshop workflow is replicated in Photopea~~
edit: I am an idiot - Photopea is not open source. Although it will help remove a reliance on Windows.
photopea is not open source ☹️
Firmware in all the consumer devices I want to hack, but don’t want to reverse engineer.
On android, i wish Xplore file manager had an alternative. Didn't find anything to replace it. Dualpane file managers are the best. (btw, its one of the app where donating to dev really feels like he deserves it ).
Facebook messenger bc of my waterpolo teammates, discord, google maps bc im horrible at using maps and other apps are just too hard for me lol. Spotify bc i have all my liked songs and albums on it and im too lazy to migrate. On the desktop side everything i use is foss basically.
BattlEye, the sole reason why I still need Windows for gaming purposes.