I've always been a fan of learning new coding skills & ettiquete through personal projects.
I escpeccialy enjoy when the projects come in useful for myself or my friends on a regualr basis, such as
my D&D Character creator

Homemade 3-D Engine (Doom Scrolls)

VR Headset-compatible basketball simulation

A collabrative C#, multi-platform multiplayer strategy game

A C# Application that pulls user data via SQL. Based on automating the gameplay written in my pen & paper RPG