Free and open source and, as far as I can tell, does everything this is claiming to do and more. It's part of our workflow for the game my son and I are making.
edit: minus the AI stuff
> All of our content is carefully written by hand, no AI was involved during the process.
https://pixieditor.net/docs/terms-of-service/
> All of our content is carefully written by hand, no AI was involved during the process.
https://pixieditor.net/docs/terms-of-service/