head to head · open source
Sentry vs databuff
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. databuff has 722 stars, 144 forks, 11 open issues and last shipped 1 months ago. Sentry leads on adoption by 6,230% (45,704 vs 722 stars). Sentry is written in Python under a custom or non-standard licence; databuff is written in Java under AGPL-3.0. Sentry has attracted 11% as many forks as stars, databuff 20%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (apm, devops, 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 | databuff | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 722 |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | Java |
| Last push | 2026-11-04 | 2026-10-06 |
| Forks | ⑂ 5.0K | ⑂ 144 |
| 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 databuff if
- You want the databuff feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Java
- You evaluated both and databuff 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 databuff
DataBuff — AI Native APM Built On Opentelemetry Mission: build the strongest OpenTelemetry APM backend AI native · OTLP native · multi agent out of the box · self hosted traces, metrics, topology Live Demo · Documentation · Open Source APM · 简体中文 · Community AI multi agent troubleshooting · Service health · Call graph topology Keywords : AI Native APM · OpenTelemetry APM · OTLP Backend · Multi Agent · Distributed Tracing · AIOps · Open Source APM · MCP · Self Hosted Observability What is DataBuff DataBuff is an AI native APM backend built on Opentelemetry — ingest traces, metrics, and logs via OTLP, with full…
read the full databuff overview →
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Frequently asked questions
Is Sentry or databuff more popular?
Sentry has 45,704 GitHub stars and databuff has 722. Sentry has the larger community by that measure.
Are Sentry and databuff free?
Both are open source. Sentry has no licence declared in this registry, and databuff is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Sentry and databuff?
Sentry is written in Python and databuff in Java. 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 databuff?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose databuff if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.