Krust – fast, open-source Kubernetes TUI in Rust (k9s-style UX)

Name: Krust – fast, open-source Kubernetes TUI in Rust (k9s-style UX)
Availability: InStock
Author: erfany

by erfany·Mar 8, 2026·2 points·0 comments

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AI Analysis

●●SolidDark HorseNiche Gem

Rust rewrite of k9s tuned for multi-cluster, high-resource scenarios without plugin overhead.

Strengths

•Lazy scope activation and bounded state pipelines prevent UI jitter under cluster churn—real ops pain solved.
•k9s keybinding compatibility eliminates retraining friction for existing users.
•Explicit RBAC error handling and guarded mutation flows show maturity for production workflows.

Weaknesses

•Still early (author admits rough edges); no plugin system excludes power users who need extensibility.
•k9s already dominates this niche with momentum—speed advantage alone may not drive migration.

Post Description

Hi HN,

I built krust because I kept hitting the same pain: Kubernetes terminal tools that felt slow on large clusters, or useful features gated behind paid tiers. I love k9s, but for my clusters, it is not as fast as I like it to be.

This is my attempt at an alternative:

- Rust-native TUI focused on low latency

- k9s-compatible navigation and commands (no plugin system though)

- multi-context + large-cluster oriented

- logs/streaming, describe/edit/apply, secret decode, readonly/guarded mutation flows

Repo: https://github.com/ErfanY/krust

It’s still early, and I’m sure there are rough edges. I’d really value community feedback, especially from people running many clusters/resources.

If this helps you, great. If it doesn’t yet, I’d appreciate blunt feedback on what to fix next.