head to head · open source
SigNoz vs voltagent
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. voltagent has 10,647 stars, 1,135 forks, 86 open issues and last shipped 24 days ago. SigNoz leads on adoption by 202% (32,146 vs 10,647 stars). SigNoz is written in TypeScript under a custom or non-standard licence; voltagent is written in TypeScript under MIT. SigNoz has attracted 8% as many forks as stars, voltagent 11%. SigNoz 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
| SigNoz | voltagent | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 11K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-08-27 |
| Forks | ⑂ 2.5K | ⑂ 1.1K |
| 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 voltagent if
- You want the voltagent feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and voltagent 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 voltagent
VoltAgent is an end to end AI Agent Engineering Platform built around an open source TypeScript framework. It lives in the JavaScript and TypeScript ecosystem, distributed through npm packages such as @voltagent/core and @voltagent/mcp docs server , and it is released under the MIT license. The project is roughly one year old, carries 10,619 stars and 1,126 forks on GitHub, and its most recent push landed on 27 August 2026. The platform has two halves: the open source framework, which supplies memory, RAG, guardrails, tools, MCP, voice, and workflow primitives, and the VoltOps Console, which is offered as either …
read the full voltagent overview →
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Frequently asked questions
Is SigNoz or voltagent more popular?
SigNoz has 32,146 GitHub stars and voltagent has 10,647. SigNoz has the larger community by that measure.
Are SigNoz and voltagent free?
Both are open source. SigNoz has no licence declared in this registry, and voltagent is licensed under MIT. Both are free to self-host.
What is the difference between SigNoz and voltagent?
SigNoz is written in TypeScript and voltagent in TypeScript. 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 voltagent?
Choose SigNoz if you want the larger community (32,146 stars) or its Custom / other licence terms. Choose voltagent if its feature set, stack or MIT licence fits better. Both are self-hostable.