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PyScript

PyScript is an open source platform for Python in the browser.

Using PyScript is as simple as:

PyScript! ">
<!doctype html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width,initial-scale=1" />
        <title>PyScript!</title>
        <link
            rel="stylesheet"
            href="https://pyscript.net/releases/2025.11.2/core.css"
        />
        <script
            type="module"
            src="https://pyscript.net/releases/2025.11.2/core.js"
        ></script>
    </head>
    <body>
        <!-- type mpy (MicroPython) or py (Pyodide) to run some Python -->
        <script type="mpy" terminal>
            print("Hello, world!")
        </script>
    </body>
</html>

PyScript enables the creation of rich Python applications in the browser using Pyodide (a version of CPython), MicroPython, WASM, and modern web technologies. It means Python now runs anywhere a browser runs: desktop, laptop, mobile, tablet, or any other browser enabled device.

To start building, read the Beginning PyScript tutorial.

For example applications, see here.

Other useful resources:

Every Tuesday at 15:30 UTC there is the PyScript Community Call on zoom, where we can talk about PyScript development in the open. Most of the maintainers regularly participate in the call, and everybody is welcome to join. This meeting is recorded and uploaded to our YouTube channel.

Every other Thursday at 16:00 UTC there is the PyScript FUN call: the focus of this call is to share fun projects, goofy hacks or clever uses of PyScript. It's a supportive, energetic and entertaining meeting. This meeting is also recorded and uploaded to our YouTube channel.

For more details on how to join the calls and up to date schedule, consult the official calendar:

Contribute

For technical details of the code, please see the README in the core directory.

Read the contributing guide to learn about our development process, reporting bugs and improvements, creating issues and asking questions.

Check out the development process documentation for more information on how to setup your development environment.

Governance

The PyScript organization governance is documented in a separate repository.

Supporters

PyScript is an independent open source project.

However, PyScript was born at Anaconda Inc and its core contributors are currently employed by Anaconda to work on PyScript. We would like to acknowledge and celebrate Anaconda's continued support of this project. Thank you Anaconda Inc!

About

PyScript is an open source platform for Python in the browser. Try PyScript: https://pyscript.com Examples: https://tinyurl.com/pyscript-examples Community: https://discord.gg/HxvBtukrg2

pyscript.net/

Topics

javascript python html wasm

Resources

Readme

License

Apache-2.0 license

Code of conduct

Code of conduct

Contributing

Contributing
Activity
Custom properties

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18.7k stars

Watchers

169 watching

Forks

1.5k forks
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Releases 44

2025.11.2 Latest
Nov 25, 2025
+ 43 releases

Contributors 126
+ 112 contributors

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