Me, I just wrote my own editor that works exactly the way that I want it to work.
Every Jedi needs to build their own light saber, and come on, it's just 6KLOC or so.
Every Jedi needs to build their own light saber, and come on, it's just 6KLOC or so.
Every real Jedi needs to build their own light saber, and come on, it's just 100KLOC or so.
I've never even considered what goes into making an editor.