Streamlit.io is a framework to "build and share data apps" quickly, creating user interfaces and widgets to interact with data and (I believe) machine learning models. Here are few highlights from their marketing copy. Gallery: https://streamlit.io/gallery A faster way to build and share data apps: Streamlit turns data scripts into shareable web apps in minutes. All in pure Python. No front‑end experience required. Get started in under a minute: Streamlit’s open-source app framework is a breeze to get started with. Embrace scripting: Build an app in a few lines of code with our magically simple API. Then see it automatically update as you iteratively save the source file. Weave in interaction: Adding a widget is the same as declaring a variable. There is no need to write a backend, define routes, handle HTTP requests, connect a frontend, write HTML, CSS, JavaScript, etc...