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Starred repositories

84 stars written in Java
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Everything you need to know to get the job.

Java 64,012 12,917 Updated May 13, 2024

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Java 33,153 9,386 Updated Feb 10, 2025

Apache Flink

Java 24,622 13,550 Updated Mar 14, 2025

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Java 23,076 6,798 Updated Mar 13, 2025

A collection of algorithms and data structures

Java 17,743 4,438 Updated Dec 30, 2024

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Java 17,678 3,341 Updated Mar 10, 2025

A high performance caching library for Java

Java 16,372 1,626 Updated Mar 7, 2025

Apache Pulsar - distributed pub-sub messaging system

Java 14,496 3,621 Updated Mar 14, 2025

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Java 13,521 1,185 Updated Apr 17, 2024

Apache Doris is an easy-to-use, high performance and unified analytics database.

Java 13,317 3,423 Updated Mar 14, 2025

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Java 10,986 3,128 Updated Mar 14, 2025

🔎 Open source distributed and RESTful search engine.

Java 10,345 1,991 Updated Mar 14, 2025

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

Java 10,262 6,969 Updated Mar 13, 2025

Java JsonPath implementation

Java 9,060 1,669 Updated Jul 30, 2024

Flyway by Redgate • Database Migrations Made Easy.

Java 8,588 1,530 Updated Mar 12, 2025

AI + Data, online. https://vespa.ai

Java 6,038 622 Updated Mar 14, 2025

Flink CDC is a streaming data integration tool

Java 5,991 2,022 Updated Mar 14, 2025

Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

Java 5,968 2,532 Updated Mar 10, 2025

Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.

Java 5,761 5,001 Updated Mar 14, 2025

Java 1-21 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Java 5,709 1,188 Updated Mar 10, 2025

High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

Java 5,665 1,152 Updated Jan 23, 2025

JanusGraph: an open-source, distributed graph database

Java 5,439 1,185 Updated Mar 6, 2025

Apache NiFi

Java 5,159 2,771 Updated Mar 13, 2025

AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

Java 3,362 956 Updated Feb 28, 2025

SQLite JDBC Driver

Java 2,939 629 Updated Mar 4, 2025

A system for distributing and managing secrets

Java 2,618 215 Updated Sep 18, 2023

An authorization library that supports access control models like ACL, RBAC, ABAC in Java

Java 2,464 470 Updated Mar 4, 2025

Synthetic Patient Population Simulator

Java 2,394 701 Updated Mar 6, 2025

Copybara: A tool for transforming and moving code between repositories.

Java 2,279 271 Updated Mar 13, 2025

🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers

Java 2,085 1,361 Updated Mar 13, 2025
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84 stars written in Java