head to head · open source
Prometheus vs postgrest
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. postgrest has 27,740 stars, 1,234 forks, 400 open issues and last shipped 4 days ago. Prometheus leads on adoption by 141% (66,906 vs 27,740 stars). Prometheus is written in Go under Apache-2.0; postgrest is written in Haskell under MIT. Prometheus has attracted 16% as many forks as stars, postgrest 4%. 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 | postgrest | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 28K |
| License | Apache-2.0 | MIT |
| Written in | Go | Haskell |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 11K | ⑂ 1.2K |
| 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 postgrest if
- You want the postgrest feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Haskell
- You evaluated both and postgrest 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 postgrest
PostgREST serves a fully RESTful API from any existing PostgreSQL database. It provides a cleaner, more standards compliant, faster API than you are likely to write from scratch. Sponsors Big thanks to our sponsors! You can join them by supporting PostgREST on Patreon. Usage 1. See the docs for how to install PostgREST on your platform. You can also use Docker. 2. Invoke for help: Documentation Latest documentation is at postgrest.org. You can contribute to the docs in PostgREST/postgrest/docs. Performance TLDR; subsecond response times for up to 2000 requests/sec on Heroku free tier. If you're used to servers…
read the full postgrest overview →
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Frequently asked questions
Is Prometheus or postgrest more popular?
Prometheus has 66,906 GitHub stars and postgrest has 27,740. Prometheus has the larger community by that measure.
Are Prometheus and postgrest free?
Both are open source. Prometheus is licensed under Apache-2.0 and postgrest under MIT. Neither carries a licence fee.
What is the difference between Prometheus and postgrest?
Prometheus is written in Go and postgrest in Haskell. 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 postgrest?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose postgrest if its feature set, stack or MIT licence fits better. Both are self-hostable.