It’s just trivially easy to make whatever we want now. I spent almost no time on this. This one is written in Python/Pyside6 and has some nice features. I may expand it.
Sometimes I wonder with such tools if they should be editor plugins, say in VS Code, Sublime, IntelliJ, Cursor and so forth. The downside is maintaining a plugin for different editors is too much work.
The opposite way, providing a new editor is also not attractive, as it becomes a much bigger task and everyone already has their favorite.