A commercial product that does the same thing and has worked very well in my experience is https://mathpix.com/. The free tier has met my needs to date.
I use the paid version and I find it well worth the money to be able to quickly compile multiple math sources into one LaTeX document for reference. It's a huge time saver and works surprisingly well, even on my handwritten notes.
I've been using mathpix for several years, and it works really well.