I made a basic 16 step sequencer using many of the ideas shown there, using pure JS. You can check out the source code in gitlab to see how they can be implemented.
It also allows you to go beyond the 12 note western scale, though it doesn’t do any ratio tunings.
https://newdawnowl.itch.io/microtonal-grid
https://gitlab.com/NewDawnOwl/microtonalgrid




















I don’t want to rain on your parade, and I congratulate your achievement…
There is a process table widget built into KDE :
Did you already know about this? If you did, what did you dislike about it?