A mock PostgreSQL server that speaks just enough of the wire protocol to connect with psql. Built for learning and hacking.
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Updated
Mar 11, 2026 - JavaScript
A mock PostgreSQL server that speaks just enough of the wire protocol to connect with psql. Built for learning and hacking.
Fully Customizable Data Access Governance Layer - BetweenRows is a SQL-aware proxy that enforces fine-grained access policies — masking, filtering, and blocking — in real-time. Works with PostgreSQL today; warehouses and lakehouses on the roadmap. Free to self-host. Source-available.
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