I think this is excellent open-source software. I had been looking for LaTeX-related tools for some time, and I really appreciate the intuitive usability of this one.

By the way, do you have any plans to support vertical text layouts or documents? When I looked for similar tools in the past, I found ones that supported horizontal writing but none that supported vertical writing, so I ultimately gave up on using them. If vertical writing support were added, I would certainly consider using this tool should the opportunity arise again.