pyodide/pyodide
Pyodide is a Python distribution for the browser and Node.js based on WebAssembly observed · 2026-08-28
Health v2 · maintenance only
99/100
- Activity 99
- Release rhythm 99
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 20
- age_days: 3113
- days_rel: 8
- days_push: 7
- n_releases_24m: 26
Adoption not part of the score
14802 stars · 1043 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Pyodide is a port of CPython to WebAssembly/Emscripten, distributed for the browser and Node.js. It lets you run Python, including packages like NumPy, pandas, and scikit-learn, directly in JavaScript environments with a full JavaScript-Python foreign function interface.
Use cases
- run python in the browser
- execute pandas and numpy client-side without a server
- embed a python interpreter in a node.js app
- build a client-side python REPL web page
- run python notebooks entirely in the browser
- port a python data tool to webassembly
- call python code from javascript
When to choose
- you need to run Python code or scientific packages client-side without a backend
- you want a browser-based Python REPL or educational tool
- you want to reuse existing Python libraries inside a JavaScript application
- you need offline or serverless Python execution in the browser
When to avoid
- you need native performance or full CPython compatibility with all C extensions
- your Python code requires unrestricted file system or network access
- you only need Python on a server, where a normal CPython install is simpler
- bundle size and startup download time are critical constraints
Facets
library · maturity active
interpreter programming-language wasm package-manager sdk programming-languages web-development data-science cross-platform browser wasm cpython emscripten micropip scientific-computing javascript-interop in-browser-python nodejs web-server
7 sources
- readme: https://github.com/pyodide/pyodide · fetched 2026-08-28 · 28e35b7c0b25
- homepage: https://pyodide.org/en/stable/ · fetched 2026-08-29 · ba8f6f7ff31e
- site_page: https://pyodide.org/en/stable/usage/quickstart.html · fetched 2026-08-29 · 0a5380c993d0
- site_page: https://pyodide.org/en/stable/project/about.html · fetched 2026-08-29 · 22d8df331643
- registry_pypi: https://pypi.org/pypi/pyodide/json · fetched 2026-08-29 · d56e9efe2e09
- site_page: https://pyodide.org/en/stable/usage/faq.html · fetched 2026-08-29 · dcf83827cb54
- site_page: https://pyodide.org/en/stable/project/changelog.html · fetched 2026-08-29 · f55a5937ecd5
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| pyodide/pyodide | main | 99 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem