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Starred repositories

47 stars written in Java
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All Algorithms implemented in Java

Java 65,829 21,202 Updated Jun 10, 2026

Everything you need to know to get the job.

Java 64,952 12,885 Updated May 12, 2025

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Java 56,297 6,756 Updated Jun 4, 2026

Open Source Identity and Access Management For Modern Applications and Services

Java 34,874 8,467 Updated Jun 12, 2026

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

Java 27,045 2,616 Updated Jun 12, 2026

AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

Java 25,748 2,825 Updated May 28, 2026

a fast, scalable, multi-language and extensible build system

Java 25,498 4,507 Updated Jun 12, 2026

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

Java 24,469 2,303 Updated Jun 12, 2026

ruoyi-vue-pro 全新 Cloud 版本,优化重构所有功能。基于 Spring Cloud Alibaba + MyBatis Plus + Vue & Element 实现的后台管理系统 + 用户小程序,支持 RBAC 动态权限、多租户、数据权限、工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️,是作…

Java 19,093 4,767 Updated Jun 7, 2026

Graphs for Everyone

Java 16,708 2,626 Updated Jun 8, 2026

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

Java 15,464 3,818 Updated Jun 12, 2026

Light, fluffy, and always free - The AWS Local Emulator alternative

Java 14,021 1,353 Updated Jun 11, 2026

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

Java 9,309 2,856 Updated Jun 12, 2026

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

Java 8,581 922 Updated Jun 11, 2026

Enterprise job scheduling middleware with distributed computing ability.

Java 7,743 1,382 Updated Mar 7, 2026

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Java 6,513 1,931 Updated Jun 10, 2026

JanusGraph: an open-source, distributed graph database

Java 5,800 1,211 Updated May 18, 2026

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

Java 4,161 489 Updated Jun 10, 2026

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

Java 3,496 971 Updated Jun 8, 2026

Distributed Scheduled Job Framework

Java 2,998 1,140 Updated Oct 20, 2022

We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.

Java 2,344 789 Updated Jun 12, 2026

A distributed data integration framework that simplifies common aspects of big data integration such as data ingestion, replication, organization and lifecycle management for both streaming and bat…

Java 2,266 749 Updated Jun 8, 2026

A Mapbox GL react native module for creating custom maps

Java 2,171 686 Updated Mar 18, 2023

💎Collection of algorithms and data structures

Java 2,024 523 Updated Jun 14, 2025

Official GeoTools repository

Java 1,914 1,190 Updated Jun 10, 2026

The open source Solver AI for Java and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning p…

Java 1,681 206 Updated Jun 12, 2026

JODConverter automates document conversions using LibreOffice or Apache OpenOffice.

Java 1,589 298 Updated Aug 21, 2025

OpenEMS - Open Source Energy Management System

Java 1,417 610 Updated Jun 11, 2026

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Manag…

Java 1,055 689 Updated Jun 12, 2026

Open source business application platform for fast development

Java 1,030 114 Updated Feb 19, 2025
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