vega

vega/altair

Declarative visualization library for Python

10.4K stars 865 forks 10.4K watchers Python BSD 3-Clause "New" or "Revised" License

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7 Open Issues Need Help Last updated: Jul 28, 2026

Open Issues Need Help

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Explore and add examples for additional input elements 9 days ago

documentation good first issue

10.4K

Declarative visualization library for Python

Python

with pandas-stubs ≥ 2.3.3 some mytype errors appear 5 months ago

bug help wanted maintenance good first issue dependencies has-repro typing

10.4K

Declarative visualization library for Python

Python

Include example of identity line (ie infinite diagonal line of x=y) 5 months ago

documentation good first issue

10.4K

Declarative visualization library for Python

Python

with mypy ≥ 1.18 some mytype errors appear 5 months ago

bug help wanted good first issue dependencies has-repro typing

10.4K

Declarative visualization library for Python

Python

improve docs on installation for wasm environment 8 months ago

enhancement help wanted documentation maintenance good first issue

10.4K

Declarative visualization library for Python

Python

faceted choropleth has wrong tooltip reference: `County ID: undefined` 9 months ago

bug documentation good first issue

10.4K

Declarative visualization library for Python

Python

Call for Altair projects and initiatives to showcase in the docs 11 months ago

help wanted documentation

10.4K

Declarative visualization library for Python

Python