head to head · open source
Docker vs k8sgpt
Docker has 72,113 GitHub stars, 19,233 forks, 3,902 open issues and last shipped yesterday. k8sgpt has 8,194 stars, 1,062 forks, 89 open issues and last shipped yesterday. Docker leads on adoption by 780% (72,113 vs 8,194 stars). Docker is written in Go under Apache-2.0; k8sgpt is written in Go under Apache-2.0. Docker has attracted 27% as many forks as stars, k8sgpt 13%. Docker 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
| Docker | k8sgpt | |
|---|---|---|
| GitHub stars | ★ 72K | ★ 8.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 19K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Docker if
- You weight community size — 72K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick k8sgpt if
- You want the k8sgpt 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 k8sgpt fits your workflow better
About Docker
Docker, published here as the Moby Project, is the open source collection of container toolkit components and the framework for assembling them into custom container based systems, built for engineers, integrators and enthusiasts who want to modify, hack and build on container code rather than buy a commercially supported product.
read the full Docker overview →
About k8sgpt
k8sgpt is an Apache 2.0 tool written in Go that scans Kubernetes clusters, diagnoses and triages issues in plain English, built for SREs, platform engineers and DevOps teams who need a fast, readable explanation of why a cluster is misbehaving.
read the full k8sgpt overview →
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Frequently asked questions
Is Docker or k8sgpt more popular?
Docker has 72,113 GitHub stars and k8sgpt has 8,194. Docker has the larger community by that measure.
Are Docker and k8sgpt free?
Both are open source. Docker is licensed under Apache-2.0 and k8sgpt under Apache-2.0. Neither carries a licence fee.
What is the difference between Docker and k8sgpt?
Docker is written in Go and k8sgpt 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, Docker or k8sgpt?
Choose Docker if you want the larger community (72,113 stars) or its Apache-2.0 licence terms. Choose k8sgpt if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.