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Datasette Apps: Host custom HTML applications inside Datasette

Simon Willison has launched the 'datasette-apps' plugin, enabling users to host self-contained HTML, CSS, and JavaScript applications within a secure, sandboxed iframe inside Datasette. These apps can interact with Datasette's data via read-only or configured write SQL queries while being protected from external network access and storage leaks.

Background

Datasette is an open-source tool for exploring and publishing data, often used for SQL databases and APIs. This update expands its capabilities by allowing embedded, secure client-side applications directly within the platform.

Source
Simon Willison
Published
Jun 19, 2026 at 07:58 AM
Score
6.0 / 10