kubernetes-sigs/kubebuilder
Kubebuilder - SDK for building Kubernetes APIs using CRDs
⚡ Executive Summary & Quick Facts
Authoritative Sourcekubebuilder is kubebuilder is an open-source project written in Go: Kubebuilder - SDK for building Kubernetes APIs using CRDs..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), kubernetes-sigs/kubebuilder has accumulated 9,354 GitHub stars and 1,712 forks. It is written in Go, licensed under Apache-2.0, and ranks #1,579 globally. It is actively maintained with the latest commit recorded on Oct 25, 2026.”
| Repository | kubernetes-sigs/kubebuilder ↗ |
|---|---|
| Primary Category | k8s sig api machinery |
| Language & Stack | Go |
| Software License | Apache-2.0 |
| Community Traction | ★ 9.4K stars · ⑂ 1.7K forks · #1,579 globally |
| Maintenance | ● Active (Last commit: Oct 25, 2026) · 67 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: 100/100 · Grade A+Yes, kubebuilder is actively maintained. Continuous telemetry recorded the last code commit on Oct 25, 2026 (6 days ago). Supported by 9,354 stars and 1,712 community forks, this repository holds a calculated health index of 100/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+234
STARS · LAST 30 DAYS
8
PER DAY
#222
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +56 | +234 | +720 |
| Per day | 8 | 8 | 8 |
| Forks gained | +9 | +34 | +86 |
kubebuilder gained 234 stars in the last 30 days, about 8 a day, and now has 9.4K. It is about 9 years old and has averaged roughly 1K stars a year. It ranks #222 among Go repositories and #1,579 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#6266
BEST RANK
Oct 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
kubebuilder has maintained a continuous presence across global trending indexes, peaking at #6266. Below is the 30-day activity profile:
💡 Overview
kubebuilder is an open-source project written in Go: Kubebuilder - SDK for building Kubernetes APIs using CRDs.
Engineered for speed, consistency, and developer ease, it solves common hurdles in k8s-sig-api-machinery. 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/kubebuilder@latest⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
kubebuilder 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 kubebuilder 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 kubebuilder using your package manager: `go install github.com/kubernetes-sigs/kubebuilder@latest`
Initialize your project workspace or configuration file for kubebuilder.
Import kubebuilder into your codebase or invoke it directly from your terminal.
Execute your test suite or run `kubebuilder --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/kubebuilder is currently ranked #1,579 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,574 | risingwavelabs/risingwave | Rust | ★ 9.4K | Compare ↗ |
| #1,575 | loco-rs/loco | Rust | ★ 9.4K | Compare ↗ |
| #1,576 | nhost/nhost | TypeScript | ★ 9.4K | Compare ↗ |
| #1,577 | saulpw/visidata | Python | ★ 9.4K | Compare ↗ |
| #1,578 | dotnet/machinelearning | C# | ★ 9.4K | Compare ↗ |
| #1,579 | kubernetes-sigs/kubebuilder This Project | Go | ★ 9.4K | |
| #1,579 | apache/iceberg | Java | ★ 9.4K | Compare ↗ |
| #1,581 | open-slide/open-slide | TypeScript | ★ 9.4K | Compare ↗ |
| #1,582 | runatlantis/atlantis | Go | ★ 9.3K | Compare ↗ |
| #1,582 | hiddify/Hiddify-Manager | Python | ★ 9.3K | Compare ↗ |
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Frequently Asked Questions
What does kubebuilder do? +
Kubebuilder - SDK for building Kubernetes APIs using CRDs
Is kubebuilder actively maintained in 2026? +
Yes, kubebuilder is actively maintained. The latest code push was recorded on Oct 25, 2026 (6 days ago). It holds a calculated Maintenance Health Score of 100/100 (A+ rating) with 9,354 stars and 67 open issues.
What language is kubebuilder written in? +
The primary language is Go. Topics include: k8s-sig-api-machinery.
How many stars does kubebuilder have? +
kubebuilder has 9,354 stars and 1,712 forks on GitHub.
How does kubebuilder rank among GitHub repositories? +
With 9,354 stars, kubernetes-sigs/kubebuilder is ranked #1,579 globally across all repositories tracked on GitHubRepo and #222 among Go projects.
What license is kubebuilder distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
