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Preswald
Preswald is an open-source Python framework and WASM packager for interactive data applications.
What is Preswald?
Preswald is an open-source Python framework and WASM packager for interactive data applications. It bundles computation, data access, and user interfaces into portable HTML apps that run in the browser, including offline dashboards, reports, and notebooks.
Preswald is an open-source Python framework and WASM packager for interactive data applications. It bundles computation, data access, and user interfaces into portable HTML apps that run in the browser, including offline dashboards, reports, and notebooks.
Product typeApp & Website Builders
PricingOpen source
DeploymentSelf-hosted · On-premises
APIAvailable
What teams use Preswald for
Build interactive Python data applications
Export dashboards and reports as portable HTML
Run local data workflows in the browser
Integrations and access
Platforms, integrations, and language support vary by plan and region. Confirm final requirements with the vendor.
PlatformsBrowser · Python
IntegrationsPyodide · DuckDB · Pandas · Plotly · Matplotlib
LanguagesNot disclosed
SupportNot disclosed
What reviewers say
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Enterprise readiness
These details come from the current product profile and may be vendor-supplied. Treat them as disclosed claims unless a public source or independent evidence is shown, and confirm final requirements with the vendor.
No compliance claims disclosed.
Data retention: Not disclosed
Benchmarks and comparisons
Independent benchmarksStructured task results are being verified.
Side-by-side comparisonsComparison workspaces will be available in a later release.
Alternatives to Preswald
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