Adobe After Effects. Despite being an unstable spaghetti code nightmare, there is no other viable option for professional motion graphics designers.
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.
I want to jump to linux, but the prospect of starting from scratch on a new OS (or even a reinstall of windows) is just not feasible right now.
Dual boot? I used to do this before moving my daily driver over. Haven't looked back since.
firmware/drivers
Sublime text. It is just so fucking good! Much more performant than even nvim.
Onenote! I use it for school and work, and love the syncing capability and the flexibility in structuring and organizing my notes. I also like the keyboard shortcuts and the way it can dock to a side of the screen to keep the main content visible
Would https://anytype.io/ be a replacement? It's very new so you might not have heard of it. It's designed like Notion, but it might have everything you need.
If your needs are more simple, https://notesnook.com/ could be worth looking into.
Other FOSS options are Joplin and Logseq. I'm an Obsidian user myself; not FOSS but the storage format is completely open which is the most important to me.
Nationwide banking.
Intuit software, specifically TurboTax. This also may become obsolete to replace if the IRS will give out free software as rumored for next year, but I'm surprised nothing as intuitive ^pun ^heh or user-friendly has popped up. Maybe I need to do more research, not sure.
Pretty much anything on my phone. Though I have recently found f-droid, and through that I found Phonograph. I wish open street maps could replace google maps, but I really don't know what it's trying to do.