head to head · open source
SigNoz vs dd-trace-dotnet
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. dd-trace-dotnet has 572 stars, 176 forks, 335 open issues and last shipped yesterday. SigNoz leads on adoption by 5,586% (32,525 vs 572 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 31%. 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 | ★ 33K | ★ 572 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | C# |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 2.6K | ⑂ 176 |
| 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 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
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 dd-trace-dotnet
Datadog APM .NET Client Libraries This repository contains the sources for the client side components of the Datadog product suite for Application Telemetry Collection and Application Performance Monitoring for .NET Applications. Datadog .NET Tracer : A set of .NET libraries that let you trace any piece of your .NET code. It automatically instruments supported libraries out of the box and also supports custom instrumentation to instrument your own code. This library powers Distributed Tracing, Application Security Management, Continuous Integration Visibility, Dynamic Instrumentation and more. Datadog .NET…
read the full dd-trace-dotnet overview →
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Frequently asked questions
Is SigNoz or dd-trace-dotnet more popular?
SigNoz has 32,525 GitHub stars and dd-trace-dotnet has 572. 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 (32,525 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.