Open Source Columnar Databases

This page summarizes the projects mentioned and recommended in the original post on /r/dataengineering

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  • ClickHouse

    ClickHouse® is a free analytics DBMS for big data

  • ClickHouseClickHouse and Starrocks are similar. They are both columnar databases powered by vectorization tech, which means they are really fast.

  • starrocks

    StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries. InfoWorld’s 2023 BOSSIE Award for best open source software.

  • ClickHouseClickHouse and Starrocks are similar. They are both columnar databases powered by vectorization tech, which means they are really fast.

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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