Python
GDScript (Godot Engine's scripting language)
Lua
JavaScript
Java
C#
C/C++
Go
GLSL (OpenGL Shading Language)
HLSL (High-Level Shader Language)
Markdown (.md)
HTML & CSS
Unity
ShaderGraph
NavMesh
AnimationDirector
and more...
Godot
Pygame (technically an SDL binding for Python)
Pico-8 (technically a fantasy console)
Picotron (technically a fantasy workstation)
GDevelop
RPG Maker (multiple versions)
Aseprite
Photoshop
Krita
Paint.net (not to be confused with MS Paint)
Blender (yes, you can edit videos on it)
Audacity
Google Docs Suite (docs, sheets, slides, etc.)
MS 365 Suite (Word, PowerPoint, Excel, etc.)
Obsidian (documentation, planning and presentation)
Bold: I use it very often and I know a lot about it.
Normal: I know it and I understand it but I don't use it very often.