Wasm Python Packages

css-inline

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

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

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.

kreuzberg

A polyglot document intelligence framework with a Rust core. Extract text, metadata, images, and structured information from PDFs, Office documents, images, and 97+ formats. Available for Rust, Python, Ruby, Java, Go, PHP, Elixir, C#, R, C, TypeScript (Node/Bun/Wasm/Deno)- or use via CLI, REST API, or MCP server.

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.

jupyterlite-core

Wasm powered Jupyter running in the browser 💡

pyxel

A retro game engine for Python

pyodide-build

Tool for building packages targeting Pyodide

qnexus

Python client for the Quantinuum Nexus Quantum Computing Platform

polyglot-sql

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

itkwasm

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

coreason-runtime

The official zero-trust, high-throughput kinetic execution engine for the coreason-manifest ontology.

jupyterlite

Wasm powered Jupyter running in the browser 💡

itkwasm-downsample

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

formualizer

Embeddable spreadsheet engine — parse, evaluate & mutate Excel workbooks from Rust, Python, or the browser. Arrow-powered, 320+ functions.

itkwasm-downsample-wasi

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

pygbag

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

duper-python

The format that's super!

omnivad

Cross-platform VAD & Audio Event Detection toolkit — Python (PyPI) + TypeScript (npm) + C API. DFSMN models ~2MB, 200x real-time. Runs everywhere: native, browser (WASM), Node.js.

nanopub-sign

✍️ A cross-platform Rust library to sign, publish, and check Nanopublications, with bindings to Python and JS (wasm)