head to head · open source
Prometheus vs orioledb
Prometheus has 66,109 GitHub stars, 10,839 forks, 890 open issues and last shipped 2 days ago. orioledb has 4,195 stars, 187 forks, 131 open issues and last shipped yesterday. Prometheus leads on adoption by 1,476% (66,109 vs 4,195 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 4%. 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.
← all 13541 open source comparisons
Side by side
| Prometheus | orioledb | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 4.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 11K | ⑂ 187 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 66K 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 is an open source monitoring system and time series database, part of the Cloud Native Computing Foundation ecosystem. It collects metrics from configured targets at defined intervals, evaluates alerting rules, and visualizes results. Designed for reliability in dynamic environments, it operates without reliance on distributed storage, ensuring each server node functions independently.
read the full Prometheus overview →
About orioledb
OrioleDB is an open source storage engine for PostgreSQL, delivered as an extension built on the table access method framework and standard Postgres extension interfaces, intended for database operators, platform engineers, and PostgreSQL contributors who need better vertical scalability and lower maintenance burden than the default heap engine offers.
read the full orioledb overview →
More in Infrastructure & Operations
Related comparisons
More Databases projects
Compare either of these against the rest of the Databases field.
Frequently asked questions
Is Prometheus or orioledb more popular?
Prometheus has 66,109 GitHub stars and orioledb has 4,195. 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 (66,109 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.