Preswald

Preswald lets you turn Python scripts into interactive data apps, dashboards, and internal tools with ease. It combines a reactive runtime, built-in UI components, and one-click deployment, making it simple to share apps in the cloud or browser. The AI agent helps write and refactor code in-place, streamlining the process for data workflows like financial analyses or product metrics.

With a Pyodide-based runtime, Preswald runs Python entirely in the browser—no backend needed. You get a full project environment, live preview, and effortless deployment options. Designed for founders, PMs, and analysts, it bridges the gap between Jupyter notebooks and production-ready tools, allowing anyone with basic coding skills to create interactive reports without complex setups.