head to head · open source
SigNoz vs openwolf
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. openwolf has 2,401 stars, 212 forks, 56 open issues and last shipped 17 days ago. SigNoz leads on adoption by 1,255% (32,525 vs 2,401 stars). SigNoz is written in TypeScript under a custom or non-standard licence; openwolf is written in TypeScript under AGPL-3.0. SigNoz has attracted 8% as many forks as stars, openwolf 9%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | openwolf | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 2.4K |
| License | Custom / other | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-10-19 |
| Forks | ⑂ 2.6K | ⑂ 212 |
| 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 openwolf if
- You want the openwolf feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and openwolf 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 openwolf
OpenWolf Keep project memory across your coding agents. OpenWolf keeps task context, project maps and known fixes in one local folder. Help Claude Code, Codex and OpenCode continue saved work and find relevant code. Reduce repeated context and review recorded token usage by agent and model. Memory and indexing run locally without extra model calls. Hooks: Claude Code, Codex CLI · Plugin: OpenCode · Compatible hooks: Grok Build · Context only: Cursor, Gemini CLI, Antigravity What it does A coding session produces useful context: the task objective, files changed, failed tests and the next action. That information…
read the full openwolf overview →
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Frequently asked questions
Is SigNoz or openwolf more popular?
SigNoz has 32,525 GitHub stars and openwolf has 2,401. SigNoz has the larger community by that measure.
Are SigNoz and openwolf free?
Both are open source. SigNoz has no licence declared in this registry, and openwolf is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between SigNoz and openwolf?
SigNoz is written in TypeScript and openwolf 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 openwolf?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose openwolf if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.