head to head · open source
Sentry vs opentelemetry-dotnet
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. opentelemetry-dotnet has 3,766 stars, 913 forks, 143 open issues and last shipped 2 days ago. Sentry leads on adoption by 1,114% (45,704 vs 3,766 stars). Sentry is written in Python under a custom or non-standard licence; opentelemetry-dotnet is written in C# under Apache-2.0. Sentry has attracted 11% as many forks as stars, opentelemetry-dotnet 24%. Sentry 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
| Sentry | opentelemetry-dotnet | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 3.8K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 5.0K | ⑂ 913 |
| 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 opentelemetry-dotnet if
- You want the opentelemetry-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 opentelemetry-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 opentelemetry-dotnet
OpenTelemetry .NET The .NET OpenTelemetry implementation. Table of Contents Supported .NET versions Project status Getting started Getting started with Logging Getting started with Metrics Getting started with Tracing Repository structure Troubleshooting Extensibility Releases Contributing References Supported .NET versions Packages shipped from this repository generally support all the officially supported versions of .NET and .NET Framework (an older Windows based .NET implementation), except .NET Framework 3.5 . Any exceptions to this are noted in the individual README.md files. Project status Stable across…
read the full opentelemetry-dotnet overview →
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Frequently asked questions
Is Sentry or opentelemetry-dotnet more popular?
Sentry has 45,704 GitHub stars and opentelemetry-dotnet has 3,766. Sentry has the larger community by that measure.
Are Sentry and opentelemetry-dotnet free?
Both are open source. Sentry has no licence declared in this registry, and opentelemetry-dotnet is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and opentelemetry-dotnet?
Sentry is written in Python and opentelemetry-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 opentelemetry-dotnet?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose opentelemetry-dotnet if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.