database.build lets you run Postgres inside your browser local-first and ask questions on your data in natural language. If it wasn't already great enough to have a Postgres instance running inside your browser, then add to it spawning any number of instances and use LLMs to query your data. https://www.i-programmer.info/news/84-database/17737-databasebuild-in-browser-postgres-sandbox-with-ai-assistance.html
A dairy of my work.Just links to the full artices on i-programmer.info