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Welcome to XTDB!


This is the documentation site for XTDB version 2, which is currently in early access.

To find out more about early access and how 2.x relates to 1.x, see here.

For documentation on the stable, production-ready 1.x releases of XTDB, see here.

XTDB is an immutable database that reduces the time and cost of building and maintaining safe systems of record.

To begin learning about the novel features of XTDB with SQL, take a look at the Quickstart.

XTDB is free-to-use and open-source, under the MPL license. For help and support, join the community.