head to head · open source
Prometheus vs orioledb
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. orioledb has 4,300 stars, 201 forks, 131 open issues and last shipped yesterday. Prometheus leads on adoption by 1,456% (66,906 vs 4,300 stars). Prometheus is written in Go under Apache-2.0; orioledb is written in C under Apache-2.0. Prometheus has attracted 16% as many forks as stars, orioledb 5%. orioledb 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 | orioledb | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 4.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 201 |
| 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 orioledb if
- You want the orioledb feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C
- You evaluated both and orioledb 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 orioledb
OrioleDB – a cloud native storage engine for PostgreSQL (A solution to PostgreSQL’s wicked problems) OrioleDB is pronounced as OR ee ohl DEE BEE (IPA /ˈɔːr.i.oʊl diː biː/ ) and is named after the golden oriole, a bird which inhabits a range of habitats and migrates in spring symbolizing renewal. OrioleDB is a new storage engine for PostgreSQL, bringing a modern approach to database capacity, capabilities and performance to the world's most loved database platform. OrioleDB consists of an extension, building on the innovative table access method framework and other standard Postgres extension interfaces. By…
read the full orioledb overview →
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Frequently asked questions
Is Prometheus or orioledb more popular?
Prometheus has 66,906 GitHub stars and orioledb has 4,300. Prometheus has the larger community by that measure.
Are Prometheus and orioledb free?
Both are open source. Prometheus is licensed under Apache-2.0 and orioledb under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and orioledb?
Prometheus is written in Go and orioledb in C. 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 orioledb?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose orioledb if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.