TigerBeetle
Apache-2.0 financial-transactions database, not general OLTP
Databases / Ledger · Apache-2.0 · 17.2k
Reviewed 2026-09-03 · last push 2026-10-16 · repo checked 2026-10-21
What's Good
Apache-2.0. Debit/credit double-entry, strict serializability, replica safety. Single static binary. The docs are explicit: ledgers, not general CRUD.
The Catch
Not a Postgres replacement. No ad-hoc SQL, no JSON documents. Clustered replicas. If you needed a general database, this is the wrong gem.
Verdict
The financial transactions database. Apache-2.0, specialized on purpose.
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