3 self-hosted Streamlit alternatives

Streamlit is a popular proprietary tool in the developer tools & git space. These open-source apps let you replace Streamlit with software you host and control yourself.

Best self-hosted Streamlit alternatives

Reflex

Developer Tools & Git

Build full-stack web apps in pure Python

Replaces Streamlit, Retool

★ 28.8k Medium setup Apache-2.0

marimo

Developer Tools & Git

Reactive Python notebook that runs as a web app

Replaces Jupyter, Streamlit

★ 22.3k Easy setup Apache-2.0

NiceGUI

Developer Tools & Git

Python UI framework for web-based dashboards and apps

Replaces Streamlit, Gradio

★ 16.1k Easy setup MIT

Compare Streamlit alternatives

Switching from Streamlit

Moving off Streamlit means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.