head to head · open source
Sentry vs skydive
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped today. skydive has 2,808 stars, 416 forks, 119 open issues and last shipped 1.1 years ago. Sentry leads on adoption by 1,528% (45,704 vs 2,808 stars). Sentry is written in Python under a custom or non-standard licence; skydive is written in Go under Apache-2.0. Sentry has attracted 11% as many forks as stars, skydive 15%. Sentry 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 | skydive | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 2.8K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-04 | 2025-09-19 |
| Forks | ⑂ 5.0K | ⑂ 416 |
| 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 skydive if
- You want the skydive 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 skydive 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 skydive
Skydive Skydive is an open source real time network topology and protocols analyzer. It aims to provide a comprehensive way of understanding what is happening in the network infrastructure. Skydive agents collect topology information and flows and forward them to a central agent for further analysis. All the information is stored in an Elasticsearch database. Skydive is SDN agnostic but provides SDN drivers in order to enhance the topology and flows information. Key features Captures network topology and flows Full history of network topology and flows Distributed Ability to follow a flow along a path in the…
read the full skydive overview →
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Frequently asked questions
Is Sentry or skydive more popular?
Sentry has 45,704 GitHub stars and skydive has 2,808. Sentry has the larger community by that measure.
Are Sentry and skydive free?
Both are open source. Sentry has no licence declared in this registry, and skydive is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and skydive?
Sentry is written in Python and skydive 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 skydive?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose skydive if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.