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Streamlit documentation

Streamlit is an open-source Python library that makes it easy to create and share beautiful, custom web apps for machine learning and data science. In just a few minutes you can build and deploy powerful data apps. So let's get started!


Streamlit library includes our Get started guide, API reference, and more advanced features of the core library including caching, theming, and Streamlit Components.


Streamlit Community Cloud is an open and free platform for the community to deploy, discover, and share Streamlit apps and code with each other. Create a new app, share it with the community, get feedback, iterate quickly with live code updates, and have an impact!


Knowledge base is a self-serve library of tips, step-by-step tutorials, and articles that answer your questions about creating and deploying Streamlit apps.


Scatter chart

Introducing st.scatter_chart — a new, simple chart element to build scatter charts Streamlit-y fast and easy!


Link button

Introducing st.link_button! Open an external link in a new tab with a bit more pizazz than a plain-text link.


st.rerun is de-experimentalized!

Announcing the general availability of st.rerun, a command to interrupt your script and trigger an immediate rerun.


More widgets can be empty

You can initialize widgets with an empty state by setting Noneas an initial value for st.number_input, st.selectbox,st.date_input, st.time_input, st.radio, st.text_input, andst.text_area!


Skip local installation and code in the cloud!

Streamlit Community Cloud makes it easy to spin up a GitHub Codespace to start building and editing Streamlit apps — all in the cloud!


Status container

Introducing st.status to display output from long-running processes and external API calls

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Join the community

Streamlit is more than just a way to make data apps, it's also a community of creators that share their apps and ideas and help each other make their work better. Please come join us on the community forum. We love to hear your questions, ideas, and help you work through your bugs — stop by today!

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