head to head · open source
Sentry vs prometheus-operator
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. prometheus-operator has 9,993 stars, 3,895 forks, 296 open issues and last shipped 3 days ago. Sentry leads on adoption by 357% (45,704 vs 9,993 stars). Sentry is written in Python under a custom or non-standard licence; prometheus-operator is written in Go under Apache-2.0. Sentry has attracted 11% as many forks as stars, prometheus-operator 39%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (hacktoberfest, monitoring), so they are genuine substitutes rather than adjacent tools.
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
| Sentry | prometheus-operator | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 10.0K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 5.0K | ⑂ 3.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 46K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick prometheus-operator if
- You want the prometheus-operator feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and prometheus-operator fits your workflow better
About Sentry
Users and logs provide clues. Sentry provides answers. What's Sentry? Sentry is the debugging platform that helps every developer detect, trace, and fix issues. Code breaks, fix it faster. Official Sentry SDKs JavaScript Electron React Native Python Ruby PHP Laravel Go Rust Java/Kotlin Objective C/Swift C\ /F\ C/C++ Dart/Flutter Perl Clojure Elixir Unity Unreal Engine Godot Engine PowerShell Resources Documentation Discussions (Bugs, feature requests, general questions) Discord Contributing Bug Tracker Code Transifex (Translate Sentry\!)
read the full Sentry overview →
About prometheus-operator
Prometheus Operator Overview The Prometheus Operator provides Kubernetes native deployment and management of Prometheus and related monitoring components. The purpose of this project is to simplify and automate the configuration of a Prometheus based monitoring stack for Kubernetes clusters. The Prometheus operator includes, but is not limited to, the following features: Kubernetes Custom Resources : Use Kubernetes custom resources to deploy and manage Prometheus, Alertmanager, and related components. Simplified Deployment Configuration : Configure the fundamentals of Prometheus like versions, persistence…
read the full prometheus-operator overview →
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Frequently asked questions
Is Sentry or prometheus-operator more popular?
Sentry has 45,704 GitHub stars and prometheus-operator has 9,993. Sentry has the larger community by that measure.
Are Sentry and prometheus-operator free?
Both are open source. Sentry has no licence declared in this registry, and prometheus-operator is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and prometheus-operator?
Sentry is written in Python and prometheus-operator 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, Sentry or prometheus-operator?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose prometheus-operator if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.