Python WebAssembly

Open-source Python projects categorized as WebAssembly
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Top 13 Python WebAssembly Projects

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  1. pyodide

    Pyodide is a Python distribution for the browser and Node.js based on WebAssembly

    Project mention: Python on the Edge: Fast, sandboxed, and powered by WebAssembly | news.ycombinator.com | 2025-09-24

    I tracked it down to this PR from September 2022, so it's been around for a while: https://github.com/pyodide/pyodide/pull/2976

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo

  3. youre-the-os

    A game where you are a computer's OS and you have to manage processes, memory and I/O events.

  4. pdfium-lib

    PDFium - Project to compile PDFium library to multiple platforms.

  5. pygbag

    python and pygame wasm for everyone ( packager + test server + simulator )

  6. hvcc

    The heavy compiler collection for Pure Data patches. Updated to python3 and additional generators (by Wasted-Audio)

  7. ppci

    A compiler for ARM, X86, MSP430, xtensa and more implemented in pure Python

  8. puepy

    Python+Webassembly Frontend Framework via PyScript

  9. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo

  10. ITK-Wasm

    High performance spatial analysis in a web browser and across programming languages and hardware architectures

  11. webassembly-lua

    Write and compile WebAssembly code with Lua

  12. jupyterlite-sphinx

    A Sphinx extension that integrates JupyterLite within your Sphinx documentation

  13. WasmBench

    A large dataset of real-world WebAssembly binaries, collected from the Web, GitHub, NPM and other sources. Useful as test data, to study WebAssembly, for training machine learning models, and much more.

  14. golang-wasm

    Guide on writing frontend apps in Go

  15. watim

    Toy Language which compiles to Webassembly

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source WebAssembly projects in Python? This list will help you:

# Project Stars
1 pyodide 14,010
2 youre-the-os 1,893
3 pdfium-lib 1,033
4 pygbag 466
5 hvcc 358
6 ppci 354
7 puepy 312
8 ITK-Wasm 221
9 webassembly-lua 145
10 jupyterlite-sphinx 91
11 WasmBench 62
12 golang-wasm 6
13 watim 5

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