head to head · open source
SigNoz vs witr
SigNoz has 32,509 GitHub stars, 2,573 forks, 1,557 open issues and last shipped yesterday. witr has 22,906 stars, 808 forks, 17 open issues and last shipped 11 days ago. SigNoz leads on adoption by 42% (32,509 vs 22,906 stars). SigNoz is written in TypeScript under a custom or non-standard licence; witr is written in Go under Apache-2.0. SigNoz has attracted 8% as many forks as stars, witr 4%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (go, 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 | witr | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 23K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-10-23 |
| Forks | ⑂ 2.6K | ⑂ 808 |
| 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 witr if
- You want the witr 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 witr 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 witr
witr Why is this running? Trace any process, port, container, or file back to the exact chain that started it — one command, machine readable JSON, or an interactive TUI. 🎮 Try witr in your browser → Investigate a simulated Linux box — a guided tutorial and free play sandbox, no install required. Purpose • Installation • TUI • Flags • Core Concept • Examples Output Behavior • Platforms • Success Criteria • Sponsors 1. Purpose witr exists to answer a single question: Why is this running? When something is running on a system, whether it is a process, a service, or something bound to a port, there is always a…
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Frequently asked questions
Is SigNoz or witr more popular?
SigNoz has 32,509 GitHub stars and witr has 22,906. SigNoz has the larger community by that measure.
Are SigNoz and witr free?
Both are open source. SigNoz has no licence declared in this registry, and witr is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and witr?
SigNoz is written in TypeScript and witr 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 witr?
Choose SigNoz if you want the larger community (32,509 stars) or its Custom / other licence terms. Choose witr if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.