head to head · open source
SigNoz vs dd-trace-dotnet
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. dd-trace-dotnet has 575 stars, 168 forks, 335 open issues and last shipped today. SigNoz leads on adoption by 5,491% (32,146 vs 575 stars). SigNoz is written in TypeScript under a custom or non-standard licence; dd-trace-dotnet is written in C# under Apache-2.0. SigNoz has attracted 8% as many forks as stars, dd-trace-dotnet 29%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (apm), 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 | dd-trace-dotnet | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 575 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | C# |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 2.5K | ⑂ 168 |
| 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 dd-trace-dotnet if
- You want the dd-trace-dotnet feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C#
- You evaluated both and dd-trace-dotnet 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 dd-trace-dotnet
dd trace dotnet is the Apache 2.0 C repository containing Datadog's .NET client libraries for application telemetry collection, distributed tracing, and continuous profiling, built for .NET developers and operators who need to instrument .NET applications and send telemetry to the Datadog product suite.
read the full dd-trace-dotnet overview →
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Frequently asked questions
Is SigNoz or dd-trace-dotnet more popular?
SigNoz has 32,146 GitHub stars and dd-trace-dotnet has 575. SigNoz has the larger community by that measure.
Are SigNoz and dd-trace-dotnet free?
Both are open source. SigNoz has no licence declared in this registry, and dd-trace-dotnet is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and dd-trace-dotnet?
SigNoz is written in TypeScript and dd-trace-dotnet in C#. 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 dd-trace-dotnet?
Choose SigNoz if you want the larger community (32,146 stars) or its Custom / other licence terms. Choose dd-trace-dotnet if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.