MIDI Instrument Editor
This is the oldest and probably simplest project publicly available on my GitHub.
The idea for this program came about during another project, where I needed to change many instruments across different MIDI files. I looked around for a program that could do this for me, and couldn't find any that wasn't a full DAW. I then learnt how to edit the instruments manually using a hex editor, realising how simple and methodical the task was was. Finally, I decided that writing a program to do this would be the most efficient use of my time.
It's a simple python command line utility, as I didn't want to spend too much time writing it and I was still in the process of teaching myself Rust, but it definitely does its intended job well, and it taught me that if something doesn't exist you should make it yourself.