kubernetes-sigs/kustomize
Customization of kubernetes YAML configurations
⚡ Executive Summary & Quick Facts
Authoritative Sourcekustomize is kustomize is an open-source project written in Go: Customization of kubernetes YAML configurations..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), kubernetes-sigs/kustomize has accumulated 12,189 GitHub stars and 2,440 forks. It is written in Go, licensed under Apache-2.0, and ranks #1,389 globally. It is actively maintained with the latest commit recorded on Oct 18, 2026.”
| Repository | kubernetes-sigs/kustomize ↗ |
|---|---|
| Primary Category | hacktoberfest |
| Language & Stack | Go |
| Software License | Apache-2.0 |
| Community Traction | ★ 12.2K stars · ⑂ 2.4K forks · #1,389 globally |
| Maintenance | ● Active (Last commit: Oct 18, 2026) · 194 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: 95/100 · Grade A+Yes, kustomize is actively maintained. Continuous telemetry recorded the last code commit on Oct 18, 2026 (26 days ago). Supported by 12,189 stars and 2,440 community forks, this repository holds a calculated health index of 95/100, reflecting regular maintenance (26 days ago) and healthy issue cadence.
Star History
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+16
STARS · LAST 30 DAYS
1
PER DAY
#184
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +16 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +11 | +122 |
kustomize gained 16 stars in the last 30 days, about 1 a day, and now has 12.2K. It is about 9 years old and has averaged roughly 1.4K stars a year. It ranks #184 among Go repositories and #1,389 across all languages on GitHubRepo.
Trending Record
42
DAYS ON TRENDING
#1298
BEST RANK
Sep 27, 2026
FIRST APPEARANCE
Active
STATUS TODAY
kustomize has maintained a continuous presence across global trending indexes, peaking at #1298. Below is the 30-day activity profile:
💡 Overview
kustomize is an open-source project written in Go: Customization of kubernetes YAML configurations.
Engineered for speed, consistency, and developer ease, it solves common hurdles in hacktoberfest, k8s-sig-cli. 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/kustomize@latest⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
kustomize 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
Command-Line Automation
Execute automated build, deployment, and maintenance tasks directly from the terminal.
CI/CD Workflow Integration
Run non-interactive validation checks in GitHub Actions, GitLab CI, or local pre-commit hooks.
Developer Environment Setup
Standardize local engineering workstations with single-binary utility commands.
Scripting & Pipeline Orchestration
Chain complex multi-stage scripts with reliable error reporting and exits.
🚀 Getting Started
Install kustomize using your package manager: `go install github.com/kubernetes-sigs/kustomize@latest`
Initialize your project workspace or configuration file for kustomize.
Import kustomize into your codebase or invoke it directly from your terminal.
Execute your test suite or run `kustomize --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/kustomize is currently ranked #1,389 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,384 | svenstaro/genact | Rust | ★ 12.2K | Compare ↗ |
| #1,385 | crossplane/crossplane | Go | ★ 12.2K | Compare ↗ |
| #1,386 | firebase/functions-samples | JavaScript | ★ 12.2K | Compare ↗ |
| #1,387 | dataelement/bisheng | Python | ★ 12.2K | Compare ↗ |
| #1,388 | privatenumber/tsx | TypeScript | ★ 12.2K | Compare ↗ |
| #1,389 | kubernetes-sigs/kustomize This Project | Go | ★ 12.2K | |
| #1,390 | BishopFox/sliver | Go | ★ 12.2K | Compare ↗ |
| #1,391 | aureuserp/aureuserp | PHP | ★ 12.2K | Compare ↗ |
| #1,392 | google/sentencepiece | C++ | ★ 12.2K | Compare ↗ |
| #1,393 | shihabal3amri/DiPlay | Kotlin | ★ 12.2K | Compare ↗ |
| #1,394 | kubeshark/kubeshark | Go | ★ 12.1K | Compare ↗ |
Frequently Asked Questions
What does kustomize do? +
Customization of kubernetes YAML configurations
Is kustomize actively maintained in 2026? +
Yes, kustomize is actively maintained. The latest code push was recorded on Oct 18, 2026 (26 days ago). It holds a calculated Maintenance Health Score of 95/100 (A+ rating) with 12,189 stars and 194 open issues.
What language is kustomize written in? +
The primary language is Go. Topics include: hacktoberfest, k8s-sig-cli.
How many stars does kustomize have? +
kustomize has 12,189 stars and 2,440 forks on GitHub.
How does kustomize rank among GitHub repositories? +
With 12,189 stars, kubernetes-sigs/kustomize is ranked #1,389 globally across all repositories tracked on GitHubRepo and #184 among Go projects.
What license is kustomize distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
