head to head · open source
Prometheus vs Apache Cloudberry
Prometheus has 66,106 GitHub stars, 10,840 forks, 890 open issues and last shipped yesterday. Apache Cloudberry has 1,407 stars, 248 forks, 218 open issues and last shipped yesterday. Prometheus leads on adoption by 4,598% (66,106 vs 1,407 stars). Prometheus is written in Go under Apache-2.0; Apache Cloudberry is written in C under Apache-2.0. Prometheus has attracted 16% as many forks as stars, Apache Cloudberry 18%. 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 | Apache Cloudberry | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 1.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 248 |
| 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 Apache Cloudberry if
- You want the Apache Cloudberry 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 Apache Cloudberry 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 Apache Cloudberry
Apache Cloudberry (Incubating) is an open source Massively Parallel Processing database written in C and licensed under Apache 2.0. The project was created by the original developers of Greenplum Database, and it evolves from the open source version of the Pivotal Greenplum Database while using a newer PostgreSQL kernel. It lives in the PostgreSQL and Greenplum ecosystem, and it is positioned as a distributed data warehouse for analytics, big data workloads, and AI or ML workloads.
read the full Apache Cloudberry overview →
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Frequently asked questions
Is Prometheus or Apache Cloudberry more popular?
Prometheus has 66,106 GitHub stars and Apache Cloudberry has 1,407. Prometheus has the larger community by that measure.
Are Prometheus and Apache Cloudberry free?
Both are open source. Prometheus is licensed under Apache-2.0 and Apache Cloudberry under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and Apache Cloudberry?
Prometheus is written in Go and Apache Cloudberry 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 Apache Cloudberry?
Choose Prometheus if you want the larger community (66,106 stars) or its Apache-2.0 licence terms. Choose Apache Cloudberry if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.