head to head · open source
jaeger vs dd-trace-dotnet
jaeger has 23,375 GitHub stars, 3,223 forks, 547 open issues and last shipped yesterday. dd-trace-dotnet has 572 stars, 176 forks, 335 open issues and last shipped yesterday. jaeger leads on adoption by 3,987% (23,375 vs 572 stars). jaeger is written in Go under Apache-2.0; dd-trace-dotnet is written in C# under Apache-2.0. jaeger has attracted 14% as many forks as stars, dd-trace-dotnet 31%. dd-trace-dotnet was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (tracing), 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
| jaeger | dd-trace-dotnet | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 572 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C# |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 3.2K | ⑂ 176 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick jaeger if
- You weight community size — 23K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- 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 jaeger
[![Slack chat][slack img]]( get in touch) [![Unit Tests][ci img]][ci] [![Coverage Status][cov img]][cov] [![Project+Community stats][community badge]][community stats] [![FOSSA Status][fossa img]][fossa] [![OpenSSF Scorecard][openssf img]][openssf] [![OpenSSF Best Practices][openssf bp img]][openssf bp] [![CLOMonitor][clomonitor img]][clomonitor] [![Artifact Hub][artifacthub img]][artifacthub] Jaeger a Distributed Tracing System 💥💥💥 Jaeger v2 is out! Read the blog post and try it out. Quick Start Get Jaeger running in seconds with Docker: For production deployments and more options, see the Getting Started…
read the full jaeger 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 jaeger or dd-trace-dotnet more popular?
jaeger has 23,375 GitHub stars and dd-trace-dotnet has 572. jaeger has the larger community by that measure.
Are jaeger and dd-trace-dotnet free?
Both are open source. jaeger is licensed under Apache-2.0 and dd-trace-dotnet under Apache-2.0. Neither carries a licence fee.
What is the difference between jaeger and dd-trace-dotnet?
jaeger is written in Go 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, jaeger or dd-trace-dotnet?
Choose jaeger if you want the larger community (23,375 stars) or its Apache-2.0 licence terms. Choose dd-trace-dotnet if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.