What is k9s built with?

k9s is a Go repo. It validates its data with github.com/xeipuuv/gojsonschema, is tested with github.com/stretchr/testify, and deploys with k8s.io/metrics, Helm, github.com/lmittmann/tint, and k8s.io/klog/v2. It has 76,262 written lines, with 219 test files.

Read on November 7, 2026, at commit 423fff9. Read it as markdown

Frontend

Support

Validation 1

  • github.com/xeipuuv/gojsonschema1 file

Testing 1

  • github.com/stretchr/testify217 files

Deploy 4

  • Helm3 files
  • k8s.io/metrics11 files
  • github.com/lmittmann/tint1 file
  • k8s.io/klog/v21 file

Tools 4

  • github.com/anchore/clio1 file
  • k8s.io/cli-runtime8 files
  • k8s.io/kubectl8 files
  • github.com/spf13/cobra3 files

Other 22

  • github.com/go-errors/errors1 file
  • github.com/google/shlex1 file
  • k8s.io/apimachinery152 files
  • k8s.io/api71 files
  • k8s.io/client-go23 files
  • gopkg.in/yaml.v314 files
  • github.com/sahilm/fuzzy13 files
  • github.com/cenkalti/backoff/v48 files
  • github.com/fvbommel/sortorder3 files
  • golang.org/x/text3 files
  • k8s.io/apiextensions-apiserver3 files
  • github.com/adrg/xdg2 files
10 more
  • github.com/fatih/color2 files
  • github.com/mattn/go-runewidth2 files
  • github.com/atotto/clipboard1 file
  • github.com/fsnotify/fsnotify1 file
  • github.com/itchyny/gojq1 file
  • github.com/karrick/godirwalk1 file
  • github.com/lucasb-eyer/go-colorful1 file
  • github.com/mattn/go-colorable1 file
  • golang.org/x/exp1 file
  • sigs.k8s.io/yaml1 file

Other repos with a similar stack

Ordered by how much of its stack they share with k9s, then by stars.

Frequently asked questions

What language is k9s written in?
k9s is written in Go, with 76,262 written lines.
Does k9s have tests?
Yes. k9s has 219 test files and is tested with github.com/stretchr/testify.
Which repos have a stack like k9s's?
The ones that share most of its stack:istio/istiovitessio/vitesslabring/sealos

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