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OpenMLDB
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OpenMLDB

OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.

by 4paradigm · GitHub
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database-for-aidatabase-for-machine-learningfeature-engineeringApache-2.0C++
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In plain words

Use a database designed for machine learning that helps manage and create consistent data features for your projects.

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1.70k1.69k
2026-07-202026-08-31
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📄 About

OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.

OpenMLDB has 1.7k stars on GitHub. It has been forked 330 times. OpenMLDB is written mainly in C++. It has been in active development since 2021. OpenMLDB is available under the Apache-2.0 license. Its main topics are database-for-ai, database-for-machine-learning, feature-engineering, feature-extraction.

Frequently asked questions

What is OpenMLDB?

OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.

Is OpenMLDB open source?

OpenMLDB is an open-source project. It is released under the Apache-2.0 license.

Is OpenMLDB free?

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

What license does OpenMLDB use?

OpenMLDB is available under the Apache-2.0 license.

What language is OpenMLDB written in?

OpenMLDB is written mainly in C++.

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