This is a collection of interesting links and programs i found
EDUCATIONAL
The Internet Archive
An archive of many things
The Library of Babel
A (theoretical) archive of every book ever written
GAME DEV
Aseprite
My favourite pixel-art software
Also, if you don't want to pay, use Libresprite instead.
Godot
A great game engine, completely FOSS
I'm still learning how to use it, but i made some pretty cool stuff already!
GB Studio
Similar to RPGMaker, but for making GameBoy games
This is the engine i'm using for my Undertale Demake