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Dev tools · November 24, 2014

Datomic

Distributed immutable transactional database for the cloud

Datomic launched on November 24, 2014 with 73 votes, #727 of 1,965 launches that month. The site was still online in September 2026, 11 years on.

What it does

Build flexible, distributed systems that can leverage the entire history of your critical data, not just the most current state. Build them on your existing infrastructure or jump straight to the cloud. Critical insights come from knowing the full story of your data, not just the most recent state. Datomic stores a record of immutable facts, which gives your applications strong consistency combined with horizontal read scalability , plus built-in caching . Since facts are never update-in-place and all data is retained by default, you get built-in auditing and the ability to query history . All of this with fully ACID-compliant transactions . Datomic's information model scales to a wide…from datomic.com

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