Obsidian , a service that allows users to create notes in Markdown format, has announced that it will open source the Obsidian Canvas file format used by the service as the 'JSON Canvas' file ...

You can add extra columns to your JSON/XML blob storage or an additional free-form JSON field > Plus if compresses data well. You could use a compressed backing filesystem.

You can convert JSON files to Microsoft Excel CSV file formats using this hidden built-in feature. We show you how to do it.