SMRTR ProgrammingJun 29, 2026Hacker News

DocumentDB – a MongoDB compatible open-source database

SMRTR summary

DocumentDB is a new open-source, MIT-licensed document database built on PostgreSQL that offers full MongoDB compatibility. It supports native BSON, rich indexing (including geospatial and compound), and vector search via pgvector. A Kubernetes operator is in preview, covering local, hybrid, and multi-cloud deployments. Backed by a steering committee spanning Microsoft, Amazon, and others, it already has 3,200+ GitHub stars.

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