Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today. Learn more →
Pg-mem Alternatives
Similar projects and alternatives to pg-mem
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Joplin
Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.
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Civic Auth
Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
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sqlx
🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite. (by launchbadge)
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testcontainers-node
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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sqlfluff
A modular SQL linter and auto-formatter with support for multiple dialects and templated code.
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Oat++
🌱Light and powerful C++ web framework for highly scalable and resource-efficient web application. It's zero-dependency and easy-portable.
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mapbox-gl-js
Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
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Prisma
Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
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mongodb-memory-server
Manage & spin up mongodb server binaries with zero(or slight) configuration for tests.
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better pg-mem alternative or higher similarity.
pg-mem discussion
pg-mem reviews and mentions
Posts with mentions or reviews of pg-mem.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-04-19.
- Setting up PostgreSQL for running integration tests
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Show HN: I open-sourced the in-memory PostgreSQL I built at work for E2E tests
I've used pgmem https://github.com/oguimbal/pg-mem for the last couple of years for the same thing.
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Ask HN: How do you test SQL?
I was wondering the other day how to classify tests that use a test double like pg-mem, which isn't a mock but isn't the Dockerized test DB either :
https://github.com/oguimbal/pg-mem
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How to test nestjs modules?
In my case, I use TypeORM with PostgreSQL, and there's pg-mem to run an instance in memory, it supports most of the common functionality of PostgreSQL but you will need to do some adjustment to your code to be within the limits.
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Working with offline data
Postgres in the browser is possible through pg-mem: "pg-mem is an experimental in-memory emulation of a postgres database" but it also suffers from no persistence. If you can persist to a file somewhere then read it in on startup (and if your local data isn't huge) this might work.
- Pg-mem: An in-memory re-implementation of PostgreSQL in JavaScript
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Haskell as a first timer - Am I missing something ? Or is something broken ?
Dont get me wrong: I am trying to contribute to opensource as well, so I get that supporting small projects can be demanding. There's nothing wrong in not spending your weekends on OS. But not asking for help, nor specifying that a project is unmaintained, nor even answering issues & pull requests for years feels just wrong.
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Ask HN: What Are You Working On?
A pure Javascript in memory emulation of Posgres, to help writing better node tests https://github.com/oguimbal/pg-mem
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pg-mem, an in memory postgres DB instance for your unit tests, is now bound to multiple libraries (Knex, Typeorm, Slonik, pg, pg-promise) ... suggestions for the next one ?
Okay, I had a bit of spare time,I've implemented that, and it is now available with [email protected]
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Zero delay development & unit testing iterations
To get a glimpse of what I'm talking about, you can clone this repo and follow "Development" instructions (by the way this is a small OS lib I maintain, I wrote about it here)
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A note from our sponsor - Civic Auth
www.civic.com | 17 Apr 2025
Stats
Basic pg-mem repo stats
14
2,127
8.0
about 2 months ago
oguimbal/pg-mem is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of pg-mem is TypeScript.
Sponsored
Auth in Less Than 5 Minutes
Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
www.civic.com