head to head · open source
SigNoz vs voltagent
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. voltagent has 10,917 stars, 1,186 forks, 86 open issues and last shipped 21 days ago. SigNoz leads on adoption by 198% (32,525 vs 10,917 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 | ★ 33K | ★ 11K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-10-15 |
| Forks | ⑂ 2.6K | ⑂ 1.2K |
| 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 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
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 voltagent
AI Agent Engineering Platform English 繁體中文 简体中文 日本語 한국어 Home Page Documentation Examples VoltAgent is an end to end AI Agent Engineering Platform that consists of two main parts: Open Source TypeScript Framework – Memory, RAG, Guardrails, Tools, MCP, Voice, Workflow, and more. VoltOps Console Cloud Self Hosted – Observability, Automation, Deployment, Evals, Guardrails, Prompts, and more. Build agents with full code control and ship them with production ready visibility and operations. Core TypeScript Framework With the open source framework, you can build intelligent agents with memory, tools, and multi step…
read the full voltagent overview →
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Frequently asked questions
Is SigNoz or voltagent more popular?
SigNoz has 32,525 GitHub stars and voltagent has 10,917. 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 (32,525 stars) or its Custom / other licence terms. Choose voltagent if its feature set, stack or MIT licence fits better. Both are self-hostable.