kubernetes-sigs/karpenter
Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.
⚡ Executive Summary & Quick Facts
Authoritative Sourcekarpenter is karpenter is an open-source project written in Go: Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), kubernetes-sigs/karpenter has accumulated 2,250 GitHub stars and 606 forks. It is written in Go, licensed under Apache-2.0, and ranks #5,176 globally. It is actively maintained with the latest commit recorded on Oct 28, 2026.”
| Repository | kubernetes-sigs/karpenter ↗ |
|---|---|
| Primary Category | developer tools |
| Language & Stack | Go |
| Software License | Apache-2.0 |
| Community Traction | ★ 2.3K stars · ⑂ 606 forks · #5,176 globally |
| Maintenance | ● Active (Last commit: Oct 28, 2026) · 342 open issues |
| Target Audience | Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 87/100 · Grade AYes, karpenter is actively maintained. Continuous telemetry recorded the last code commit on Oct 28, 2026 (15 days ago). Supported by 2,250 stars and 606 community forks, this repository holds a calculated health index of 87/100, reflecting regular maintenance (15 days ago) and active community feedback (342 open).
Star History
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+34
STARS · LAST 30 DAYS
1
PER DAY
#657
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +34 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +18 | +30 |
karpenter gained 34 stars in the last 30 days, about 1 a day, and now has 2.3K. It is about 4 years old and has averaged roughly 563 stars a year. It ranks #657 among Go repositories and #5,176 across all languages on GitHubRepo.
Trending Record
43
DAYS ON TRENDING
#1372
BEST RANK
Sep 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
karpenter has maintained a continuous presence across global trending indexes, peaking at #1372. 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
Optimized execution pipeline written in Go for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ 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
Install karpenter using your package manager: `go install github.com/kubernetes-sigs/karpenter@latest`
Initialize your project workspace or configuration file for karpenter.
Import karpenter into your codebase or invoke it directly from your terminal.
Execute your test suite or run `karpenter --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 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 #5,176 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #5,171 | kubeflow/trainer | Go | ★ 2.3K | Compare ↗ |
| #5,171 | felixguendling/cista | C++ | ★ 2.3K | Compare ↗ |
| #5,173 | FormidableLabs/react-native-app-auth | Java | ★ 2.3K | Compare ↗ |
| #5,173 | mozilla/neqo | Rust | ★ 2.3K | Compare ↗ |
| #5,173 | swiftlang/swift-build | Swift | ★ 2.3K | Compare ↗ |
| #5,176 | kubernetes-sigs/karpenter This Project | Go | ★ 2.3K | |
| #5,177 | custom-components/ble_monitor | Python | ★ 2.2K | Compare ↗ |
| #5,178 | bluealloy/revm | Rust | ★ 2.2K | Compare ↗ |
| #5,179 | shellhub-io/shellhub | Go | ★ 2.2K | Compare ↗ |
| #5,180 | lobehub/lobe-ui | TypeScript | ★ 2.2K | Compare ↗ |
| #5,181 | cashapp/molecule | Kotlin | ★ 2.2K | Compare ↗ |
Frequently Asked Questions
What does karpenter do? +
Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.
Is karpenter actively maintained in 2026? +
Yes, karpenter is actively maintained. The latest code push was recorded on Oct 28, 2026 (15 days ago). It holds a calculated Maintenance Health Score of 87/100 (A rating) with 2,250 stars and 342 open issues.
What language is karpenter written in? +
The primary language is Go. Topics include: software.
How many stars does karpenter have? +
karpenter has 2,250 stars and 606 forks on GitHub.
How does karpenter rank among GitHub repositories? +
With 2,250 stars, kubernetes-sigs/karpenter is ranked #5,176 globally across all repositories tracked on GitHubRepo and #657 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.
