head to head · open source
Sentry vs datadog-agent
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. datadog-agent has 3,772 stars, 1,526 forks, 721 open issues and last shipped yesterday. Sentry leads on adoption by 1,112% (45,704 vs 3,772 stars). Sentry is written in Python under a custom or non-standard licence; datadog-agent is written in Go under Apache-2.0. Sentry has attracted 11% as many forks as stars, datadog-agent 40%. datadog-agent was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), 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 | datadog-agent | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 3.8K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 5.0K | ⑂ 1.5K |
| 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 datadog-agent if
- You want the datadog-agent feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and datadog-agent 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 datadog-agent
Datadog Agent This repository contains the source code of the Datadog Agent version 7 and version 6. Please refer to the Agent user documentation for information about differences between Agent v5, Agent v6 and Agent v7. Additionally, we provide a list of prepackaged binaries for an easy install process here. Documentation The developer docs site contains information about how to develop the Datadog Agent itself. The source of the content is located under the docs directory and may contain pages that are not yet published. Contributing code You'll find information and help on how to contribute code to this…
read the full datadog-agent overview →
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Frequently asked questions
Is Sentry or datadog-agent more popular?
Sentry has 45,704 GitHub stars and datadog-agent has 3,772. Sentry has the larger community by that measure.
Are Sentry and datadog-agent free?
Both are open source. Sentry has no licence declared in this registry, and datadog-agent is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and datadog-agent?
Sentry is written in Python and datadog-agent in Go. 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 datadog-agent?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose datadog-agent if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.