GitHub stars
10.5K#67 in the directory
PyPI downloads / week
9.2M
Commits, last 12 months
153
Contributors
183
Last commit
Latest release
v6.3.0Sep 15, 2026

Overview

Vega-Altair is an open-source Python visualization library released under the BSD-3-Clause license. Its GitHub repository has 10,491 stars, 874 forks, and 183 contributors. It is actively developed with 153 commits in the last 12 months. The latest release, v6.3.0, was published on Sep 15, 2026. On PyPI it is downloaded about 9.2M times per week.

Its GitHub description: Declarative visualization library for Python

Install

PyPI
pip install altair
v6.3.0

Development activity

Commits per month to the default branch over the last 12 complete months.

02040 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
02040 Oct 2025 Jan 2026 Apr Jul
153 commits from Oct 2025 to Sep 2026.
Show data as a table
Vega-Altair commits per month
MonthCommits
Oct 202511
Nov 202514
Dec 20255
Jan 20266
Feb 20269
Mar 202613
Apr 202618
May 20262
Jun 202640
Jul 20267
Aug 20269
Sep 202619

Popularity among Python data visualization libraries

GitHub stars for Vega-Altair and the most-starred alternatives.
Show data as a table
GitHub stars
ToolStars
Streamlit45,895
Dash24,441
Matplotlib23,323
Bokeh20,455
Taipy19,443
Plotly (Python)18,822
Vega-Altair10,491

Alternatives to Vega-Altair

  • Streamlit

    Framework for turning Python scripts into interactive data apps.

    45.9K starsPythonApache-2.0

  • Dash

    Framework for building data apps and dashboards in Python, built on Plotly.js and React.

    24.4K starsPythonMIT

  • Matplotlib

    2D plotting library.

    23.3K starsPythonPSF-2.0

  • Bokeh

    Interactive Web Plotting for Python.

    20.5K starsTypeScriptBSD-3-Clause

  • Taipy

    Python framework for building data and AI web applications with interactive charts and dashboards.

    19.4K starsPythonApache-2.0

  • Plotly (Python)

    Interactive web based visualization built on top of plotly.js

    18.8K starsPythonMIT

More comparisons: Vega-Altair vs Vega-Lite

Vega-Altair FAQ

Is Vega-Altair open source?

Yes. Vega-Altair is released under the BSD-3-Clause license, and its source code is on GitHub.

Is Vega-Altair still maintained?

Yes. Vega-Altair is actively developed, with 153 commits in the last 12 months and the latest commit 7 days ago.

How do I install Vega-Altair?

From PyPI: pip install altair.

What are the best alternatives to Vega-Altair?

The most popular alternatives listed in Python data visualization libraries are Streamlit, Dash, and Matplotlib. See the full ranking.

What language is Vega-Altair written in?

Vega-Altair is primarily written in Python, according to GitHub.

Data: GitHub API, PyPI. Updated Oct 4, 2026.