Native LaTeX equation editing for technical diagrams was probably the biggest itch I wanted to scratch with the diagramming application I wrote (https://vexlio.

Native LaTeX equation editing for technical diagrams was probably the biggest itch I wanted to scratch with the diagramming application I wrote (https://vexlio.com https://vexlio.com). Unfortunately I haven't had much time to devote to development recently, but it's still out there and hopefully still useful to people.