this post was submitted on 02 Aug 2026
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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

(page 3) 42 comments
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KiCad takes around 5 minutes to learn and is some of the best software for designing schematics and PCBs.

Falstad is great for when you need simulations of schematics and don't want the headache of trying to use KiCad's built in simulation tools.

Both are FOSS.

[–] hades@feddit.uk 9 points 1 day ago

Learn the basics of accounting by trying to use GnuCash (or KMyMoney) for your personal finances.

Or learn a proper text editor, such as vim.

[–] reksas@sopuli.xyz 1 points 1 day ago
[–] myrmidex@belgae.social 7 points 1 day ago

wow rekordbox looks nice! I've used Mixxx up til now.

One killer feature might make me switch: I see rekordbox allows mixing of spotify or apple music songs: do they also support navidrome? That would blow me away!

about the topic: what about home assistant? That should prove an adequate rabbit hole for you :)

[–] No1@aussie.zone 4 points 1 day ago
[–] SnotFlickerman@lemmy.blahaj.zone 6 points 1 day ago* (last edited 1 day ago)

I learned a decent bit about how biometric authentication works (or at least this specific implementation) by installing, setting up, and tweaking settings for Biopass. I also learned about how when you do first login using this method, it can fail to unlock keyrings because the password authentication has been bypassed so no password has been provided to unlock the keyring. It includes anti-spoofing local AI models, and the dev plans to have the option for the user to download and use any model for anti-spoofing/recognition. Interesting stuff.

https://github.com/TickLabVN/biopass

[–] ace_garp@lemmy.world 2 points 1 day ago* (last edited 1 day ago)

PosteRazor, is super easy to learn.

It can make wall posters, by printing the A4 segment sheets, and then gluing them together.

https://posterazor.sourceforge.io/

[–] Axolotl_cpp@feddit.it 6 points 1 day ago* (last edited 1 day ago) (1 children)

Slackware- Wait you said fun, nvm

Aseprite (you gotta compile it yourself if you wanna it free tho)

[–] cerement@slrpnk.net 6 points 1 day ago* (last edited 1 day ago) (1 children)
[–] Axolotl_cpp@feddit.it 1 points 1 day ago

They lack some features comoared to aseprite

[–] Kissaki@feddit.org 3 points 1 day ago

Nushell

Blender

Godot

[–] DickFiasco@sh.itjust.works 5 points 1 day ago

I recommend learning dc if you don't already know it, and either Octave or Python.

https://en.wikipedia.org/wiki/Dc_%28computer_program%29

[–] hades@feddit.uk 4 points 1 day ago (1 children)

Install one of the distributions where you have to do most of the installation steps manually, such as Gentoo or Slackware or Arch. Or Linux from Scratch of you want hardcore mode.

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[–] vogi@piefed.social 3 points 1 day ago* (last edited 20 hours ago)

Make sick beats with milkytracker.

I honestly have that still on my to-learn list myself. But it does seem to be a solid choice for FOSS trackers.

[–] banause@feddit.org 4 points 1 day ago (1 children)
[–] lietuva@lemmy.world 3 points 1 day ago

i've been hitting up kaggle.com, freecodecamp and exercism.org for Python courses.

Selfhosting is a nice rabbit hole

[–] smh@slrpnk.net 2 points 1 day ago

I saw Krita was already suggested. Also give Inkscape a go. It's meant for vector graphics instead of raster. (like SVG vs jpeg).

[–] thisisbutaname@discuss.tchncs.de 2 points 1 day ago (1 children)

Since you already recorded something with OBS, you could try your hand at video editing with something like kdenlive

[–] altkey@lemmy.dbzer0.com 1 points 1 day ago

I thought so too. KDEnlive a solid base that is used by many FOSS youtubers akin to Veronica Explains. It's capable of things up to rotoscoping/chromakey deletion, it also closely resembles how most video editors work, except maybe for trendy node-based tinkering in effects - that would be covered in full by Blender/Godot further down the line. Example project: make a short explanatory vid about one of the tools already learned.

[–] OnscreenDust@piefed.zip 1 points 1 day ago* (last edited 1 day ago)
[–] 11111one11111@lemmy.world 0 points 1 day ago

Prompting claude for python scipts you feed into FreeCAD to build 3d models, dimensional drawings and for everyhung you coild ever imagine.

[–] Treczoks@lemmy.world 0 points 1 day ago
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