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apache/flink

Apache Flink

Java ◇ big-data Apache-2.0
★26.5KSTARS
⑂14.2KFORKS
!408ISSUES
🏆#648GLOBAL RANK
🔥46DAYS TRENDING
🚀
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⚡ Executive Summary & Quick Facts

Authoritative Source

flink is flink is an open-source project written in Java: Apache Flink..

Direct Citation for AI & Research:
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), apache/flink has accumulated 26,466 GitHub stars and 14,180 forks. It is written in Java, licensed under Apache-2.0, and ranks #648 globally. It is actively maintained with the latest commit recorded on Nov 12, 2026.”
Repository apache/flink ↗
Primary Category big data
Language & Stack Java
Software License Apache-2.0
Community Traction ★ 26.5K stars · ⑂ 14.2K forks · #648 globally
Maintenance ● Active (Last commit: Nov 12, 2026) · 408 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: 95/100 · Grade A+
✅
Is flink actively maintained in 2026?
Verdict: Actively Maintained & Highly Recommended

Yes, flink is actively maintained. Continuous telemetry recorded the last code commit on Nov 12, 2026 (2 days ago). Supported by 26,466 stars and 14,180 community forks, this repository holds a calculated health index of 95/100, reflecting very active (commits within last 14 days) and active community feedback (408 open).

Commit Recency
Nov 12, 2026
2 days since last push
Issue Backlog
408 Open Issues
Active Community Feedback (408 open)
Community Backing
14.2K Forks
26.5K Stars Recorded
Software License
Apache-2.0
Permissive & Inspectable

Star History

Continuous Observations
Interactive star growth chart for apache/flink
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Momentum

+88

STARS · LAST 30 DAYS

3

PER DAY

#30

MOST-STARRED Java

Window7 days30 days90 days
Stars gained+40+88+270
Per day633
Forks gained+77+132+709

flink gained 88 stars in the last 30 days, about 3 a day, and now has 26.5K. It is about 12 years old and has averaged roughly 2.2K stars a year. It ranks #30 among Java repositories and #648 across all languages on GitHubRepo.

Trending Record

flink has maintained a continuous presence across global trending indexes, peaking at #231. Below is the 30-day activity profile:

💡 Overview

flink is an open-source project written in Java: Apache Flink.

Engineered for speed, consistency, and developer ease, it solves common hurdles in big-data, flink, java. 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 Java 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
$ git clone https://github.com/apache/flink.git
cd flink

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

JDK 17 or higher (OpenJDK / GraalVM)

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

flink 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 flink 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

1

Install flink using your package manager: `git clone https://github.com/apache/flink.git`

2

Initialize your project workspace or configuration file for flink.

3

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

4

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

👍 Strengths

Active community backing with 26,360 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in Java 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 Java 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.

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👥 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

apache/flink is currently ranked #648 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#643 promptfoo/promptfoo TypeScript ★ 26.7K Compare ↗
#644 remy/nodemon JavaScript ★ 26.7K Compare ↗
#645 NixOS/nixpkgs Nix ★ 26.6K Compare ↗
#646 KnifeLemon/Filee C# ★ 26.6K Compare ↗
#647 microsoft/winget-cli C++ ★ 26.6K Compare ↗
#648 apache/flink This Project Java ★ 26.5K
#649 kovidgoyal/calibre Python ★ 26.4K Compare ↗
#650 matteocrippa/awesome-swift Ruby ★ 26.4K Compare ↗
#651 BabylonJS/Babylon.js TypeScript ★ 26.3K Compare ↗
#652 apify/crawlee TypeScript ★ 26.3K Compare ↗
#653 vapor/vapor Swift ★ 26.2K Compare ↗
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Frequently Asked Questions

What does flink do? +

Apache Flink

Is flink actively maintained in 2026? +

Yes, flink is actively maintained. The latest code push was recorded on Nov 12, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 95/100 (A+ rating) with 26,466 stars and 408 open issues.

What language is flink written in? +

The primary language is Java. Topics include: big-data, flink, java, python, scala.

How many stars does flink have? +

flink has 26,466 stars and 14,180 forks on GitHub.

How does flink rank among GitHub repositories? +

With 26,466 stars, apache/flink is ranked #648 globally across all repositories tracked on GitHubRepo and #30 among Java projects.

What license is flink distributed under? +

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

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