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Also, it's easy to export your entire workspace as raw data. Markup files, images, etc.

They don’t work as well with all the latex math.

Problem is that the export does not preserve node nesting, which is a problem for an outliner

The data is the "source of truth" and those can be exported, backed up, etc, easily.

Whether there's a programmatic API or not, that's another matter entirely.

That is because few people really care and aware of it.