head to head · open source
Sentry vs dd-trace-dotnet
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. dd-trace-dotnet has 572 stars, 176 forks, 335 open issues and last shipped yesterday. Sentry leads on adoption by 7,890% (45,704 vs 572 stars). Sentry is written in Python under a custom or non-standard licence; dd-trace-dotnet is written in C# under Apache-2.0. Sentry has attracted 11% as many forks as stars, dd-trace-dotnet 31%. Sentry 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
| Sentry | dd-trace-dotnet | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 572 |
| License | Custom / other | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 5.0K | ⑂ 176 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 46K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Sentry
Users and logs provide clues. Sentry provides answers. What's Sentry? Sentry is the debugging platform that helps every developer detect, trace, and fix issues. Code breaks, fix it faster. Official Sentry SDKs JavaScript Electron React Native Python Ruby PHP Laravel Go Rust Java/Kotlin Objective C/Swift C\ /F\ C/C++ Dart/Flutter Perl Clojure Elixir Unity Unreal Engine Godot Engine PowerShell Resources Documentation Discussions (Bugs, feature requests, general questions) Discord Contributing Bug Tracker Code Transifex (Translate Sentry\!)
read the full Sentry 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 Sentry or dd-trace-dotnet more popular?
Sentry has 45,704 GitHub stars and dd-trace-dotnet has 572. Sentry has the larger community by that measure.
Are Sentry and dd-trace-dotnet free?
Both are open source. Sentry 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 Sentry and dd-trace-dotnet?
Sentry is written in Python 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, Sentry or dd-trace-dotnet?
Choose Sentry if you want the larger community (45,704 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.