head to head · open source
Apache SkyWalking vs ktop
Apache SkyWalking has 24,958 GitHub stars, 6,633 forks, 41 open issues and last shipped 3 days ago. ktop has 1,109 stars, 25 forks, 11 open issues and last shipped 3 months ago. Apache SkyWalking leads on adoption by 2,150% (24,958 vs 1,109 stars). Apache SkyWalking is written in Java under Apache-2.0; ktop is written in Go under Apache-2.0. Apache SkyWalking has attracted 27% as many forks as stars, ktop 2%. Apache SkyWalking was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (metrics), 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
| Apache SkyWalking | ktop | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 1.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-07-03 |
| Forks | ⑂ 6.6K | ⑂ 25 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Apache SkyWalking if
- You weight community size — 25K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick ktop if
- You want the ktop 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 ktop fits your workflow better
About Apache SkyWalking
Apache SkyWalking is an open source application performance monitoring (APM) system for distributed systems in cloud native architectures, built for teams that run microservices across Kubernetes and container based environments.
read the full Apache SkyWalking overview →
About ktop
ktop is an Apache 2.0 licensed, Go based terminal tool that shows live metrics for nodes, pods, and containers in a Kubernetes cluster, built for operators and developers who want top style cluster visibility without installing anything inside the cluster.
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Frequently asked questions
Is Apache SkyWalking or ktop more popular?
Apache SkyWalking has 24,958 GitHub stars and ktop has 1,109. Apache SkyWalking has the larger community by that measure.
Are Apache SkyWalking and ktop free?
Both are open source. Apache SkyWalking is licensed under Apache-2.0 and ktop under Apache-2.0. Neither carries a licence fee.
What is the difference between Apache SkyWalking and ktop?
Apache SkyWalking is written in Java and ktop 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, Apache SkyWalking or ktop?
Choose Apache SkyWalking if you want the larger community (24,958 stars) or its Apache-2.0 licence terms. Choose ktop if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.