head to head · open source
Prometheus vs orientdb
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. orientdb has 4,997 stars, 870 forks, 360 open issues and last shipped yesterday. Prometheus leads on adoption by 1,239% (66,906 vs 4,997 stars). Prometheus is written in Go under Apache-2.0; orientdb is written in Java under Apache-2.0. Prometheus has attracted 16% as many forks as stars, orientdb 17%. orientdb 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 | orientdb | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 5.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 870 |
| 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 orientdb if
- You want the orientdb feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and orientdb 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 orientdb
OrientDB What is OrientDB? OrientDB is an Open Source Multi Model NoSQL DBMS with the support of Native Graphs, Documents, Full Text search, Reactivity, Geo Spatial and Object Oriented concepts. It's written in Java and it's amazingly fast. No expensive run time JOINs, connections are managed as persistent pointers between records. You can traverse thousands of records in no time. Supports schema less, schema full and schema mixed modes. Has a strong security profiling system based on user, roles and predicate security and supports SQL amongst the query languages. Thanks to the SQL layer it's straightforward to…
read the full orientdb overview →
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Frequently asked questions
Is Prometheus or orientdb more popular?
Prometheus has 66,906 GitHub stars and orientdb has 4,997. Prometheus has the larger community by that measure.
Are Prometheus and orientdb free?
Both are open source. Prometheus is licensed under Apache-2.0 and orientdb under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and orientdb?
Prometheus is written in Go and orientdb in Java. 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 orientdb?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose orientdb if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.