This page has a collection of programming languages tutorial in different programming languages.
Flutter & Dart
Learn Flutter & Dart programming by building an app with this series.
Various tutorials in the python programming language.
I share authentic experiences with my work related to Google Apps Script in this series.
Computer Science For Class XI Nepal
This was a series I did for my students of class XI, Computer Science in Nepal when I was a substitute teacher for 3 months.
These could be one or a collection of many blogs that can be read as a whole. It's not for everyone as it can be over an hour in length.