@thomholwerda Free/Open Source stuff: VLC, anything not Chromium-based, Notepad++, Handbrake, Affinity, Blackmagic's DaVinci Resolve, any number of retro emulators
Fee stuff: Glasswire is interesting and has a free tier; some kind of backup software (I use and love/hate Macrium - it has a yearly fee but it works great backing up to a SMB share on my linux server because screw you for wanting to own software); I recently switched to iDrive for cloud backup for important stuff and it seems fine
Snarky stuff: Balena Etcher so you can write that Linux ISO to a USB stick and install Linux