head to head · open source
Prometheus vs mikro-orm
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. mikro-orm has 9,264 stars, 699 forks, 20 open issues and last shipped yesterday. Prometheus leads on adoption by 622% (66,906 vs 9,264 stars). Prometheus is written in Go under Apache-2.0; mikro-orm is written in TypeScript under MIT. Prometheus has attracted 16% as many forks as stars, mikro-orm 8%. Prometheus was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Prometheus | mikro-orm | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 9.3K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 699 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 67K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick mikro-orm if
- You want the mikro-orm feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mikro-orm fits your workflow better
About Prometheus
Prometheus Visit prometheus.io for the full documentation, examples and guides. [ ][quay] [ ][hub] Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. The features that distinguish Prometheus from other metrics and monitoring systems are: A multi dimensional data model (time series defined by metric name and set of key/value dimensions) PromQL, a powerful and flexible query language to…
read the full Prometheus overview →
About mikro-orm
TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, PostgreSQL (including CockroachDB and PGlite), SQLite (including libSQL), MSSQL and Oracle databases. Heavily inspired by Doctrine and Hibernate. Quick Start Install a driver package for your database: If you use additional packages like @mikro orm/cli , @mikro orm/migrations , or @mikro orm/entity generator , install @mikro orm/core explicitly as well. See the quick start guide for details. Define Entities The recommended way to define entities is using defineEntity with setClass : You can…
read the full mikro-orm overview →
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Frequently asked questions
Is Prometheus or mikro-orm more popular?
Prometheus has 66,906 GitHub stars and mikro-orm has 9,264. Prometheus has the larger community by that measure.
Are Prometheus and mikro-orm free?
Both are open source. Prometheus is licensed under Apache-2.0 and mikro-orm under MIT. Neither carries a licence fee.
What is the difference between Prometheus and mikro-orm?
Prometheus is written in Go and mikro-orm in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prometheus or mikro-orm?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose mikro-orm if its feature set, stack or MIT licence fits better. Both are self-hostable.