K9s

Terminal UI for managing Kubernetes clusters

K9s is a terminal-based UI that makes it fast to navigate, observe and manage Kubernetes resources.

Pricing: Free

Platforms: Mac, Windows, Linux

K9s compared with similar tools

Product	Price	Open source	Self-host	Platforms
K9s	Free	Yes	–	Mac, Windows, Linux
Argo CD	Free	Yes	Yes	Self-hosted, Web
Headlamp	Free	Yes	Yes	Web, Mac, Windows, Linux, Self-hosted
Flux	Free	Yes	Yes	Self-hosted
lazygit	Free	Yes	–	Mac, Windows, Linux
Lens	Free plan	–	–	Mac, Windows, Linux
opencode	Free plan	Yes	–	Mac, Windows, Linux

Similar to K9s

Argo CD

GitOps continuous delivery for Kubernetes

Argo CD continuously syncs Kubernetes clusters with application manifests stored in Git and shows drift in a web UI.

Free · Self-hosted, Web · Website ↗

Headlamp

Extensible Kubernetes web UI

Headlamp is a CNCF Kubernetes UI that runs in-cluster or as a desktop app, with plugin support.

Free · Web, Mac, Windows, Linux, Self-hosted · Website ↗

Flux

GitOps toolkit for keeping Kubernetes in sync with Git

Flux is a CNCF project that automates Kubernetes deployments by reconciling cluster state with Git repositories and Helm charts.

Free · Self-hosted · Website ↗

lazygit

Simple terminal UI for git commands

lazygit is an open-source terminal interface for git that makes staging, committing, rebasing and resolving conflicts faster from the keyboard.

Free · Mac, Windows, Linux · Website ↗

Lens

Desktop IDE for Kubernetes clusters

Lens is a desktop app for viewing and managing Kubernetes clusters, workloads, logs and metrics.

Free plan · Mac, Windows, Linux · Website ↗

opencode

Open-source AI coding agent for the terminal

opencode is an open-source terminal-based coding agent that works with many LLM providers.

Free plan · Mac, Windows, Linux · Website ↗

Gatus

Developer-oriented health dashboard and status page

Gatus is an open-source tool that monitors HTTP, TCP, DNS and other endpoints using configurable conditions, with alerts and a status page. A managed version is also offered.

Free plan · Self-hosted, Web · Website ↗

Ghostty

Fast, native, feature-rich terminal emulator

Ghostty is an open-source terminal emulator that uses platform-native UI and GPU acceleration.

Free · Mac, Linux · Website ↗

Questions

Is K9s free?

K9s is free.

Is K9s open source?

Yes, K9s is open source.

What platforms does K9s run on?

K9s is available for Mac, Windows, Linux.

What are some alternatives to K9s?

Similar indie products include Argo CD, Headlamp, Flux, lazygit and 4 more.

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