head to head · open source
SigNoz vs claude-devtools
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. claude-devtools has 3,942 stars, 297 forks, 50 open issues and last shipped 4 months ago. SigNoz leads on adoption by 715% (32,146 vs 3,942 stars). SigNoz is written in TypeScript under a custom or non-standard licence; claude-devtools is written in TypeScript under MIT. SigNoz has attracted 8% as many forks as stars, claude-devtools 8%. 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 | claude-devtools | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 3.9K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-05-13 |
| Forks | ⑂ 2.5K | ⑂ 297 |
| 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 claude-devtools if
- You want the claude-devtools feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and claude-devtools 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 claude-devtools
claude devtools is a free, MIT licensed TypeScript application — desktop builds plus a Docker service — that reads the Claude Code session logs already stored in /.claude/ and reconstructs them into a visual interface for inspecting tool calls, token usage, subagents, and the context window.
read the full claude-devtools overview →
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Frequently asked questions
Is SigNoz or claude-devtools more popular?
SigNoz has 32,146 GitHub stars and claude-devtools has 3,942. SigNoz has the larger community by that measure.
Are SigNoz and claude-devtools free?
Both are open source. SigNoz has no licence declared in this registry, and claude-devtools is licensed under MIT. Both are free to self-host.
What is the difference between SigNoz and claude-devtools?
SigNoz is written in TypeScript and claude-devtools 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 claude-devtools?
Choose SigNoz if you want the larger community (32,146 stars) or its Custom / other licence terms. Choose claude-devtools if its feature set, stack or MIT licence fits better. Both are self-hostable.