head to head · open source
SigNoz vs hubble
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. hubble has 4,376 stars, 305 forks, 44 open issues and last shipped 2 days ago. SigNoz leads on adoption by 643% (32,525 vs 4,376 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 | ★ 33K | ★ 4.4K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Makefile |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.6K | ⑂ 305 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 33K 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
中文 · Deutsch · Português SigNoz is an open source observability platform built on OpenTelemetry. We’re building an enterprise grade alternative to fragmented monitoring stacks, with logs, metrics, traces, alerts, and dashboards in one place. Choose how to run SigNoz SigNoz Cloud (Recommended) Fully managed SigNoz with a 30 day free trial, no credit card required, usage based pricing that starts at $49, and regional data hosting. Start free → Enterprise Enterprise Cloud, BYOC, or Enterprise Self Hosted with compliance, support, custom retention, RBAC, ingestion controls, data residency, and region selection…
read the full SigNoz overview →
About hubble
Network, Service & Security Observability for Kubernetes What is Hubble? Getting Started Features Service Dependency Graph Metrics & Monitoring Flow Visibility Get in touch / Community Authors What is Hubble? Hubble is a fully distributed networking and security observability platform for cloud native workloads. It is built on top of [Cilium] and [eBPF] to enable deep visibility into the communication and behavior of services as well as the networking infrastructure in a completely transparent manner. Hubble can answer questions such as: Service dependencies & communication map: What services are communicating…
read the full hubble overview →
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Frequently asked questions
Is SigNoz or hubble more popular?
SigNoz has 32,525 GitHub stars and hubble has 4,376. 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 (32,525 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.