head to head · open source
Prometheus vs kubeblocks
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. kubeblocks has 3,162 stars, 285 forks, 260 open issues and last shipped yesterday. Prometheus leads on adoption by 2,016% (66,906 vs 3,162 stars). Prometheus is written in Go under Apache-2.0; kubeblocks is written in Go under AGPL-3.0. Prometheus has attracted 16% as many forks as stars, kubeblocks 9%. 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 | kubeblocks | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 3.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 285 |
| 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 kubeblocks if
- You want the kubeblocks feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and kubeblocks 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 kubeblocks
Welcome to the KubeBlocks project! Motivation If you are a developer using multiple types of databases in your application and are considering deploying both your application and databases on K8s for cost or efficiency reasons, you need to find suitable operators for each database. Learning so many different operators and their APIs introduces a significant learning curve and time costs, not to mention the effort required to maintain them. KubeBlocks uses a unified set of APIs (CRDs) and code to manage various databases on K8s. For example, we can use the Cluster resource to create a PostgreSQL cluster, a Redis…
read the full kubeblocks overview →
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Frequently asked questions
Is Prometheus or kubeblocks more popular?
Prometheus has 66,906 GitHub stars and kubeblocks has 3,162. Prometheus has the larger community by that measure.
Are Prometheus and kubeblocks free?
Both are open source. Prometheus is licensed under Apache-2.0 and kubeblocks under AGPL-3.0. Neither carries a licence fee.
What is the difference between Prometheus and kubeblocks?
Prometheus is written in Go and kubeblocks in Go. 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 kubeblocks?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose kubeblocks if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.