Wasm Python Packages

css-inline

High-performance library for inlining CSS into HTML 'style' attributes

wasmtime

Python WebAssembly runtime powered by Wasmtime

kuzu

Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.

wasmer

🐍🕸 WebAssembly runtime for Python

wasmer-compiler-cranelift

🐍🕸 WebAssembly runtime for Python

fastdiff

A fast native implementation of diff algorithm with a pure Python fallback

pyodide-py

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

pyodide-cli

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

flipt-client

Flipt Client-Side Evaluation SDKs

hyperlight-sandbox

hyperlight-wasm is a rust library crate that enables Wasm Modules and components to be run inside lightweight Virtual Machine backed Sandbox. It is built on top of Hyperlight.

xberg

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

meshioplusplus

🚀 A high-performance C++ library for robust mesh input/output across numerous formats. This project serves as the ultimate "Swiss Army knife" for mesh manipulation workflows, providing blazing-fast and reliable data handling.

formualizer

The fastest embeddable spreadsheet engine - parse, evaluate & mutate Excel workbooks from Rust, Python, or the browser. Arrow-powered, 400+ functions.

jupyterlite-core

Wasm powered Jupyter running in the browser 💡

polyglot-sql

Rust/Wasm-powered SQL transpiler for more than 30 SQL dialects

office-oxide

The fastest Office document library for Python, Rust, Go, JS/TS, C# and WASM. DOCX, XLSX, PPTX, DOC, XLS, PPT. Up to 100× faster than python-docx/openpyxl/python-pptx. 100% pass rate on valid Office files. MIT/Apache-2.0.

auditwheel-emscripten

auditwheel-like tool for Pyodide

xuepy

Live weather models, radar and satellite, played back in the browser: GFS, ECMWF, AIFS, HRRR, MRMS, Himawari, GOES and more, served as static Zarr from a CDN with no API server.

pyodide-build

Tool for building packages targeting Pyodide

itkwasm

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

perspective-python

A data visualization and analytics component, especially well-suited for large and/or streaming datasets.

itkwasm-downsample

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

itkwasm-downsample-wasi

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

meshlib

3D geometry processing SDK: fast mesh boolean, mesh repair, decimation, remeshing, offset, point cloud triangulation and ICP registration. C++ with Python, C#, C and JavaScript bindings.