Stlite, Serverless Streamlit Powered by Pyodide/Wasm

In plain words

Stlite is a version of Streamlit, a Python framework for building data applications, that runs entirely in web browsers using Pyodide and WebAssembly. Rather than requiring a server, the application executes client-side in the browser, eliminating server infrastructure needs. It is designed for developers who want to build and deploy interactive data apps with Python without backend hosting requirements. The key distinction is its serverless architecture, which simplifies deployment and reduces operational overhead.

written from the facts on this page · September 2026

From the sources

Streamlit-Lite; In-browser Streamlit 🎈🚀. Contribute to whitphx/stlite development by creating an account on GitHub.

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  Stlite sharing – Write and share Streamlit apps online serverlessly2022 · edit.share.stlite.net · ▲19

  Streamlit, a Python web app framework, can run on web browsers with WebAssembly, and you can write and share its apps with this online platform. Get the Python productivity, online shareability, and data privacy safety in your data apps.

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  Streamlit – Turn Python Scripts into Beautiful ML Tools2019 · github.com · ▲52

  Streamlit — A faster way to build and share data apps. - streamlit/streamlit

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  Hstream – quick Python web apps – Streamlit alternative using htmx2022 · github.com · ▲104

  I love Streamlit but have run into many situation where taking it from PoC to MVP state is insurmountable. With all the recent HN hype around htmx and sematic html / classless css I decided to build a Streamlit alternative using these on top of FastAPI. This has a couple advantages: 1) easier to extend when you move past PoC since the FastAPI app is exposed (allowing adding more routes) and hstream acts more like a typical web stack 2) with htmx and html (plus MVP.css) doing the heavy lifting the package is alot less complex and easier to reason about - and hopefully more performant…

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