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vaex
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vaex

Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀

by vaexio · GitHub
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bigdatadata-sciencedataframeMITPython
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Explore and visualize large datasets quickly, processing billions of rows of data per second.

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8 5118 506
2026-07-042026-08-31
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📄 About

Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀

vaex has 8.5k stars on GitHub. It has been forked 602 times. vaex is written mainly in Python. It has been in active development since 2014. vaex is available under the MIT license. Its main topics are bigdata, data-science, dataframe, hdf5.

Frequently asked questions

What is vaex?

Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀

Is vaex open source?

vaex is an open-source project. It is released under the MIT license.

Is vaex free?

Yes. vaex is free and open source — you can use, modify and self-host it.

What license does vaex use?

vaex is available under the MIT license.

What language is vaex written in?

vaex is written mainly in Python.

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