Here are some of my projects I am proud of. This list doesn't include any private ones.
CList
Minecraft Fabric mod
Coordinate List (CList for short) is a simple minimalistic fabric mod for saving your coordinates. No minimaps.
GitHub
Modrinth
CurseForge
MYAP
A GUI python app
A Minimalistic Youtube Audio Player (MYAP)
GitHub
I know HTML, JS, CSS, C++, SQL, Java, PHP, Python, Some Kotlin, Android Studio, Bootstrap, jQuery, Some React.
I can speak English and Polish.
I also know how to manage MySQL databases and Linux servers (mainly Debian and Ubuntu).
And I'm still learning a lot!