Built something? We create video reels & spotlights for GitHub projects.Promote your project →
kubernetes-sigs
Home / Go / karpenter

kubernetes-sigs/karpenter

Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.

Go ◇ developer-tools Apache-2.0
★2.2KSTARS
⑂582FORKS
!318ISSUES
🏆#1,773GLOBAL RANK
🔥3DAYS TRENDING
🚀
Maintainer Growth Kit for karpenter

Claim this project, add your verified backlink badge to your README, and download milestone cards.

Claim Repo

Star History

Continuous Observations
Interactive star growth chart for kubernetes-sigs/karpenter
CSV

Momentum

+55

STARS · LAST 30 DAYS

2

PER DAY

#219

MOST-STARRED Go

Window7 days30 days90 days
Stars gained+14+55+180
Per day222
Forks gained+3+12+29

karpenter gained 55 stars in the last 30 days, about 2 a day, and now has 2.2K. It is about 4 years old and has averaged roughly 551 stars a year. It ranks #219 among Go repositories and #1,773 across all languages on GitHubRepo.

Trending Record

karpenter has maintained a continuous presence across global trending indexes, peaking at #1662. Below is the 30-day activity profile:

💡 Overview

karpenter is an open-source project written in Go: Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.

Engineered for speed, consistency, and developer ease, it solves common hurdles in Go. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Go for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ go install github.com/kubernetes-sigs/karpenter@latest

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Go >= 1.21 runtime environment

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

karpenter coordinates its core functionality through a modular Go pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed karpenter into Go backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open Apache-2.0 license.

🚀 Getting Started

1

Install karpenter using your package manager: `go install github.com/kubernetes-sigs/karpenter@latest`

2

Initialize your project workspace or configuration file for karpenter.

3

Import karpenter into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `karpenter --help` to verify successful setup.

👍 Strengths

Active community backing with 2,205 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in Go for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Go and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

A
avelino/awesome-go ★ 185.9K Go

A curated list of awesome Go frameworks, libraries and software

Compare ↗
O
ollama/ollama ★ 181.8K Go

Get up and running with Kimi, GLM, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

Compare ↗
G
golang/go ★ 139.1K Go

The Go programming language

Compare ↗
K
kubernetes/kubernetes ★ 128K Go

Production-Grade Container Scheduling and Management

Compare ↗

👥 Who Should Use This

Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

kubernetes-sigs/karpenter is currently ranked #1,773 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#1,768 floneum/kalosm Rust ★ 2.2K Compare ↗
#1,769 lloyd/yajl C ★ 2.2K Compare ↗
#1,770 mojombo/god Ruby ★ 2.2K Compare ↗
#1,771 cortexkit/magic-context TypeScript ★ 2.2K Compare ↗
#1,772 RubixML/ML PHP ★ 2.2K Compare ↗
#1,773 kubernetes-sigs/karpenter This Project Go ★ 2.2K
#1,774 thoughtbot/shoulda Ruby ★ 2.2K Compare ↗
#1,775 nextcloud/spreed JavaScript ★ 2.2K Compare ↗
#1,775 tauri-apps/tao Rust ★ 2.2K Compare ↗
#1,777 Pinvou/pinvou-agent Rust ★ 2.2K Compare ↗
#1,778 rust-phf/rust-phf Rust ★ 2.2K Compare ↗

Frequently Asked Questions

What does karpenter do? +

Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.

What language is karpenter written in? +

The primary language is Go. Topics include: software.

Is karpenter actively maintained? +

Yes, the last recorded push was on Sep 26, 2026 with 318 open issues being tracked.

How many stars does karpenter have? +

karpenter has 2,205 stars and 582 forks on GitHub.

How does karpenter rank among GitHub repositories? +

With 2,205 stars, kubernetes-sigs/karpenter is ranked #1,773 globally across all repositories tracked on GitHubRepo and #219 among Go projects.

What license is karpenter distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

From our network
FOR MAINTAINERS

Built something? Put it in front of millions of developers.

We make a short reel about your project and post it across YouTube, Instagram, Threads, and X. Send a link, we do the rest.