operator-framework/java-operator-sdk
Java SDK for building Kubernetes Operators
⚡ Executive Summary & Quick Facts
Authoritative Sourcejava-operator-sdk is java-operator-sdk is an open-source project written in Java: Java SDK for building Kubernetes Operators..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), operator-framework/java-operator-sdk has accumulated 946 GitHub stars and 247 forks. It is written in Java, licensed under Apache-2.0, and ranks #8,879 globally. It is actively maintained with the latest commit recorded on Nov 10, 2026.”
| Repository | operator-framework/java-operator-sdk ↗ |
|---|---|
| Primary Category | hacktoberfest |
| Language & Stack | Java |
| Software License | Apache-2.0 |
| Community Traction | ★ 946 stars · ⑂ 247 forks · #8,879 globally |
| Maintenance | ● Active (Last commit: Nov 10, 2026) · 61 open issues |
| Target Audience | Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, java-operator-sdk is actively maintained. Continuous telemetry recorded the last code commit on Nov 10, 2026 (2 days ago). Supported by 946 stars and 247 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+3
STARS · LAST 30 DAYS
1
PER DAY
#603
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +3 | +3 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +2 | +12 |
java-operator-sdk gained 3 stars in the last 30 days, about 1 a day, and now has 946. It is about 7 years old and has averaged roughly 135 stars a year. It ranks #603 among Java repositories and #8,879 across all languages on GitHubRepo.
Trending Record
42
DAYS ON TRENDING
#2155
BEST RANK
Sep 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
java-operator-sdk has maintained a continuous presence across global trending indexes, peaking at #2155. Below is the 30-day activity profile:
💡 Overview
java-operator-sdk is an open-source project written in Java: Java SDK for building Kubernetes Operators.
Engineered for speed, consistency, and developer ease, it solves common hurdles in hacktoberfest, java, java-library. 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 Java 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
$ git clone https://github.com/operator-framework/java-operator-sdk.git
cd java-operator-sdk⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
java-operator-sdk coordinates its core functionality through a modular Java 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 java-operator-sdk into Java 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 java-operator-sdk using your package manager: `git clone https://github.com/operator-framework/java-operator-sdk.git`
Initialize your project workspace or configuration file for java-operator-sdk.
Import java-operator-sdk into your codebase or invoke it directly from your terminal.
Execute your test suite or run `java-operator-sdk --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
operator-framework/java-operator-sdk is currently ranked #8,879 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #8,873 | gauntface/simple-push-demo | JavaScript | ★ 947 | Compare ↗ |
| #8,873 | MushroomRL/mushroom-rl | Python | ★ 947 | Compare ↗ |
| #8,873 | eclipse-ditto/ditto | Java | ★ 947 | Compare ↗ |
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| #8,873 | LinkoraApp/Linkora | Kotlin | ★ 947 | Compare ↗ |
| #8,879 | operator-framework/java-operator-sdk This Project | Java | ★ 946 | |
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Frequently Asked Questions
What does java-operator-sdk do? +
Java SDK for building Kubernetes Operators
Is java-operator-sdk actively maintained in 2026? +
Yes, java-operator-sdk is actively maintained. The latest code push was recorded on Nov 10, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 946 stars and 61 open issues.
What language is java-operator-sdk written in? +
The primary language is Java. Topics include: hacktoberfest, java, java-library, kubernetes-operator.
How many stars does java-operator-sdk have? +
java-operator-sdk has 946 stars and 247 forks on GitHub.
How does java-operator-sdk rank among GitHub repositories? +
With 946 stars, operator-framework/java-operator-sdk is ranked #8,879 globally across all repositories tracked on GitHubRepo and #603 among Java projects.
What license is java-operator-sdk distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
