head to head · open source
SigNoz vs hubble
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. hubble has 4,340 stars, 301 forks, 44 open issues and last shipped 5 days ago. SigNoz leads on adoption by 641% (32,146 vs 4,340 stars). SigNoz is written in TypeScript under a custom or non-standard licence; hubble is written in Makefile under Apache-2.0. SigNoz has attracted 8% as many forks as stars, hubble 7%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (metrics, observability), 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
| SigNoz | hubble | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 4.3K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Makefile |
| Last push | 2026-09-20 | 2026-09-15 |
| Forks | ⑂ 2.5K | ⑂ 301 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 32K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick hubble if
- You want the hubble feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Makefile
- You evaluated both and hubble fits your workflow better
About SigNoz
SigNoz is an open source, OpenTelemetry native observability platform for cloud native applications. It unifies logs, metrics, traces, alerts, and dashboards into a single tool, replacing fragmented monitoring stacks with a correlated signal pipeline. It lives in the observability ecosystem alongside tools like Prometheus, Jaeger, and Grafana, and is positioned as an open alternative to Datadog.
read the full SigNoz overview →
About hubble
Hubble is fully distributed networking and security observability platform for cloud native workloads. It lives in Kubernetes ecosystem, built on Cilium and eBPF. It gives transparent visibility into service communication, service behavior, and networking infrastructure.
read the full hubble overview →
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Frequently asked questions
Is SigNoz or hubble more popular?
SigNoz has 32,146 GitHub stars and hubble has 4,340. SigNoz has the larger community by that measure.
Are SigNoz and hubble free?
Both are open source. SigNoz has no licence declared in this registry, and hubble is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and hubble?
SigNoz is written in TypeScript and hubble in Makefile. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, SigNoz or hubble?
Choose SigNoz if you want the larger community (32,146 stars) or its Custom / other licence terms. Choose hubble if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.