I need to quench my thirst for knowledge and learn something new just for the sake of it.
I’ve already learned:
-
Equations and pivot tables in Excel
-
Vector graphics in Inkscape
-
Music mixing in rekordbox
-
Personal VPN on a raspberry pi 4 with OpenVPN
-
LAMP stack web hosting
-
Streaming & video capture with OBS
-
Manual & automatic backups with FreeFileSync
Things I’m open to:
-
FOSS (even beta) or free-as-in-beer software
-
A high or low learning curve
-
Tools for niche fields that I’d otherwise have no reason to learn


Real cad software (like Freecad or OpenSCAD if you want FOSS) would be more useful for 3d printing, unless you only plan to print useless plastic figurines