head to head · open source
SigNoz vs coze-loop
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. coze-loop has 5,800 stars, 803 forks, 84 open issues and last shipped yesterday. SigNoz leads on adoption by 461% (32,525 vs 5,800 stars). SigNoz is written in TypeScript under a custom or non-standard licence; coze-loop is written in Go under Apache-2.0. SigNoz has attracted 8% as many forks as stars, coze-loop 14%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| SigNoz | coze-loop | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 5.8K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 2.6K | ⑂ 803 |
| 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 coze-loop if
- You want the coze-loop 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 coze-loop 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 coze-loop
Coze Loop • Feature list • Quick start • Developer guide English 中文 What is Coze Loop Coze Loop is a developer oriented, platform level solution focused on the development and operation of AI agents. It addresses various challenges faced during the AI agent development process, providing full lifecycle management capabilities from development, debugging, evaluation, to monitoring. Based on the commercial version, Coze Loop introduces an open source edition that offers developers free access to core foundational feature modules. By sharing its core technology framework in an open source model, developers can…
read the full coze-loop overview →
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Frequently asked questions
Is SigNoz or coze-loop more popular?
SigNoz has 32,525 GitHub stars and coze-loop has 5,800. SigNoz has the larger community by that measure.
Are SigNoz and coze-loop free?
Both are open source. SigNoz has no licence declared in this registry, and coze-loop is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and coze-loop?
SigNoz is written in TypeScript and coze-loop 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, SigNoz or coze-loop?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose coze-loop if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.