Mikro orm by mikro-orm
TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.
About Mikro orm
From the project's README at github.com/mikro-orm/mikro-orm. Lightly cleaned for readability; for the full source see the upstream repo.
TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, PostgreSQL, SQLite (including libSQL), MSSQL and Oracle databases.
[](https://npmx.dev/package/@mikro-orm/core) [](https://npmx.dev/package/@mikro-orm/core) [](https://discord.gg/w8bjxFHS7X) [](https://npmx.dev/package/@mikro-orm/core) [](https://coveralls.io/r/mikro-orm/mikro-orm?branch=master) [](https://github.com/mikro-orm/mikro-orm/actions?workflow=tests) Quick Start
```sh npm install @mikro-orm/postgresql # PostgreSQL npm install @mikro-orm/mysql
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 9.0k | github.com/mikro-orm/mikro-orm |
| GitHub forks | 633 | github.com/mikro-orm/mikro-orm |
| NPM downloads (last month) | 2133k | mikro-orm |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 8.2 years | since Mar 2018 |
| Last commit | 3 days ago | May 4, 2026 |
| Releases shipped | 222 | last: 3 days ago |
| Security policy | SECURITY.md | declared by maintainers |
| Funding links | 3 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Security advisories
CVE-2026-34220. What people say on Hacker News
Ready to self-host Mikro orm?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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