OxideDB – Teach PostgreSQL Database How to Speak MongoDB Wire Protocol

In plain words

OxideDB allows applications written for MongoDB to run against PostgreSQL instead. It translates MongoDB wire protocol commands into PostgreSQL queries, letting developers use existing MongoDB-based code without rewriting their data layer. This is useful for teams already managing PostgreSQL who want to avoid adding another database system while maintaining document-store functionality through PostgreSQL's native JSON capabilities.

written from the facts on this page · September 2026

From the sources

:floppy_disk: Teach your PostgreSQL database how to speak MongoDB Wire Protocol - fcoury/oxide

In the maker’s words, at launch

Hey everyone! I have created a product that relies on MongoDB for a document store but doesn't really need any of the distributed features to really justify having a hosted MongoDB or DocumentDB instance. Now that we're trying to turn this into a product, we're seeing that some companies have a little bit of…

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  OxideDB – Teach PostgreSQL Database How to Speak MongoDB Wire Protocol2022 · github.com · ▲6

  Hey everyone! I have created a product that relies on MongoDB for a document store but doesn't really need any of the distributed features to really justify having a hosted MongoDB or DocumentDB instance. Now that we're trying to turn this into a product, we're seeing that some companies have a little bit of resistance around managing yet another database. Most of our clients already have and manage PostgreSQL in one form or another. I knew that PostgreSQL already offered first class JSON support, but I didn't want to rewrite the application data layer from scratch if I could avoid it.…

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