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Starred repositories

57 stars written in Java
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Apache Kafka - A distributed event streaming platform

Java 32,367 15,105 Updated Apr 12, 2026

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

Java 23,604 802 Updated Jul 15, 2024

JDK main-line development https://openjdk.org/projects/jdk

Java 22,759 6,309 Updated Apr 13, 2026

The official home of the Presto distributed SQL query engine for big data

Java 16,685 5,531 Updated Apr 11, 2026

Apache Hadoop

Java 15,524 9,212 Updated Apr 12, 2026

Apache Pulsar - distributed pub-sub messaging system

Java 15,193 3,715 Updated Apr 13, 2026

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

Java 14,215 5,025 Updated Apr 13, 2026

Apache ZooKeeper

Java 12,750 7,318 Updated Apr 9, 2026

Apache Beam is a unified programming model for Batch and Streaming data processing.

Java 8,546 4,532 Updated Apr 13, 2026

Apache NiFi

Java 6,051 2,936 Updated Apr 12, 2026

Apache Hive

Java 5,985 4,786 Updated Apr 11, 2026

Apache Maven core

Java 5,018 2,863 Updated Apr 13, 2026

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

Java 4,070 1,989 Updated Apr 13, 2026

Google Reader inspired self-hosted personal RSS reader.

Java 3,504 397 Updated Apr 13, 2026

Electronic Circuit Simulator in the Browser

Java 2,817 780 Updated Jan 22, 2024

Sonatype Nexus Repository Open-source codebase mirror

Java 2,484 698 Updated Apr 8, 2026

Embulk: Pluggable Bulk Data Loader.

Java 1,781 203 Updated Apr 10, 2026

JSON to JSON transformation library written in Java.

Java 1,669 349 Updated Apr 5, 2026

Hop Orchestration Platform

Java 1,362 441 Updated Apr 12, 2026

Open source platform for X.509 certificate based service authentication and fine grained access control in dynamic infrastructures. Athenz supports provisioning and configuration (centralized autho…

Java 986 303 Updated Apr 11, 2026

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

Java 764 507 Updated Apr 10, 2026

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

Java 718 226 Updated Apr 13, 2026

Web UI for Trino, Hive and SparkSQL

Java 637 197 Updated Oct 2, 2023

FIDO2(WebAuthn) server officially certified by FIDO Alliance and Relying Party examples.

Java 575 106 Updated Apr 8, 2026

Apache Tez

Java 514 440 Updated Apr 8, 2026

This is a code example that complements the material in the ZooKeeper O'Reilly book.

Java 400 248 Updated Dec 11, 2025

JDK8u mirror from mercurial

Java 389 285 Updated Sep 29, 2021

High throughput asynchronous task processing on Apache Kafka

Java 369 61 Updated Mar 27, 2026

Rubik's Cube Solver. An optimized implementation of Kociemba's two-phase algorithm.

Java 338 64 Updated Feb 21, 2023

Mirror of Apache Hadoop HDFS

Java 204 108 Updated Dec 10, 2018
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