ClickHouse
CuratedColumn-oriented database management system for real-time analytics over very large datasets.
Curated listing — added by OSSDrop, not the maker.
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#2 Tool of the Day· Jul 23, 2026
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[](https://ossdrop.com/tool/clickhouse)Frequently asked
What is ClickHouse?
ClickHouse is an open-source data & databases tool — Column-oriented database management system for real-time analytics over very large datasets. It is written in C++.
Is ClickHouse free and open source?
Yes. ClickHouse is free and open source, released under the Apache-2.0 license. You can view and contribute to the source at https://github.com/ClickHouse/ClickHouse.
What language is ClickHouse written in?
ClickHouse is primarily written in C++.
What are open-source alternatives to ClickHouse?
Other open-source data & databases tools on OSSDrop include Apache Superset, Chart.js, Apache ECharts, scikit-learn.
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