An open API service indexing awesome lists of open source software.

Java

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building web, desktop, mobile, and embedded applications. Java is owned and licensed through Oracle, with free and open source implementations available from Oracle and other vendors.

https://github.com/mindawei/cdn

2017华为软件精英挑战赛初赛、复赛、决赛代码。(最终排名总决赛第14名)

dijkstra game huawei java min-cost-flow zkw

Last synced: 02 Aug 2025

https://github.com/dvgaba/easy-random

The simple, stupid random Java beans/records generator

java java-random java-records jdk16 junit protobuf random-data-generation testing

Last synced: 09 Nov 2025

https://github.com/over-run/overrungl

Overrun Game Library is a high-performance library implemented with Java 24, enables cross-platform access to a set of C library bindings, and provides some useful utilities.

bindings glfw java java-24 java24 openal opengl overrungl project-panama stb vulkan

Last synced: 17 Aug 2025

https://github.com/apache/hbase-thirdparty

Mirror of Apache HBase Third Party Libs

database hbase java

Last synced: 23 Aug 2025

https://gitlab.com/ZnDevelopment/Zora-no-Densha

Public repository of Zora no Densha, a Minecraft train mod adding parts-based rail vehicles.

Densha FML ZnD Zora editor forge games java minecraft minecraftforge mod model realism train

Last synced: 25 Sep 2025

https://github.com/zzzzzzzzyt/tourism-website

旅游网 采用mvc架构 服务端采用servlet

css html java servlet

Last synced: 14 Aug 2025

https://github.com/ahmadjajja/_dsa_

This repository contains Java code that I have written to solve DSA problems on LeetCode. Each solution is organized by DSA concept and is meant to showcase my understanding and proficiency in implementing these concepts. The purpose of this repository is to serve as a reference for everyone who is interested in learning DSA through LeetCode

arrays backtracking binary-search complexity git github java linear-search linked-list linked-lists math merge-sort object-oriented-programming patterns quick-sort recursion sorting stacks-n-queues strings

Last synced: 28 Sep 2025

https://github.com/jackfred2/whereisit

Fabric Mod to find items in nearby inventories.

fabric java minecraft mod

Last synced: 11 Oct 2025

https://github.com/jgperrin/net.jgp.books.spark.ch05

Spark in Action, 2nd edition - chapter 5 - Deployment

apache-spark java manning spark sparkjava sparkwithjava

Last synced: 12 Mar 2026

https://github.com/sjednac/coffea

Static dependency analyzer for Java bytecode.

code-analysis dependency-analysis java jvm python

Last synced: 12 Oct 2025

https://github.com/g4s8/tuples

Object-oriented Java tuples

java library pairs tuples utils

Last synced: 09 Apr 2025

https://github.com/griddigit-ci/cimpal

CimPal is an open source Java application published by gridDigIt and Licensed under the EUPL-1.2-or-later. It helps CIM implementation by providing tools facilitation the work related to SHACL constraints and identification of changed between different versions of CIM.

cim java rdfs shacl

Last synced: 08 Oct 2025

https://github.com/gbear605/scratchtojar

ScratchToJar is a program that turns Scratch 1.4 programs into Java files. This is likely broken and SHOULD NOT BE USED. It remains for historical reasons only.

java scratch

Last synced: 10 Oct 2025

https://github.com/apache/uima-uimacpp

C++ support for Apache UIMA

apache java text-analysis uima

Last synced: 10 Apr 2025

https://github.com/frachtwerk/essencium-backend

Essencium Backend is a software library built on top of Spring Boot that allows developers to quickly get started on new software projects. Essencium provides, for example, a fully implemented role-rights concept as well as various field-tested solutions for access management and authentication.

java spring spring-boot

Last synced: 29 Apr 2025

https://github.com/chanmeng666/douyin-mall-java-template

【Star us and watch this project grow! 🌱⭐️】A Spring Boot-based e-commerce microservices template with comprehensive setup guides. Ideal for learning microservices architecture and building scalable e-commerce applications. Features include user authentication, product management, order processing, and AI integration capabilities.

api-gateway docker e-commerce eureka java jwt maven microservices mybatis mysql oauth2 rabbitmq redis spring-boot spring-cloud spring-data-jpa spring-security starter-template template tutorial

Last synced: 10 Oct 2025

https://github.com/deis/example-java-jetty

A simple Java app for Deis, the open source PaaS

deis-workflow example java jetty

Last synced: 06 Oct 2025

https://github.com/arun-gupta/spring-boot-prometheus

Prometheus-style metrics for a Spring Boot application in Kubernetes

docker java kubernetes metrics prometheus spring-boot

Last synced: 29 Apr 2025

https://github.com/softleader/softleader-training-course

松凌科技教育訓練專區

course java training

Last synced: 08 Oct 2025

https://github.com/gradlex-org/java-module-packaging

A Gradle plugin to package stand-alone Java applications for multiple operating systems and architectures with 'jpackage'.

gradle-plugin java java-modules jpackage jpms

Last synced: 10 Oct 2025

https://github.com/apache/metamodel-membrane

Mirror of Apache MetaModel Membrane

big-data database java library metamodel

Last synced: 08 Oct 2025

https://github.com/irof/jig-erd

ざっくりなER図を出力する設計補助道具

erdiagram h2database java postgresql

Last synced: 28 Apr 2025

https://github.com/alien-tools/maracas

Maracas is a source code and bytecode analysis framework⁠—written in Java with the help of Spoon—which analyzes how Java libraries evolve and how their evolution impacts their clients.

api breaking-changes java

Last synced: 05 Apr 2026

https://github.com/zenika/alpine-maven

Minimal Java/Maven Docker Images built on Alpine Linux

alpine dockerfile hacktoberfest java

Last synced: 30 Oct 2025

https://github.com/quantum4j/quantum4j

Quantum4J brings quantum programming to Java with a full Quantum Software Engineering stack — circuits, simulators, compiler passes, QASM support, and enterprise-grade extensibility.

java java-library jdk openqasm openqasm-lang qasm qiskit quantum quantum-algorithms quantum-computing quantum-microservice quantum-sdk quantum-simulator quantum4j qubits spin-qubits statevector transpiler

Last synced: 12 Jun 2026

https://github.com/birbe/jvm

Pure-Rust toy implementation of the 20th JVM spec

compiler java jvm openjdk20 rust wasm

Last synced: 12 Apr 2025

https://github.com/diptangsu/data-structures

This contains all the programs for data structures that are a part of the syllabus of MAKAUT 2nd year Computer Science and engineering course.

data-structures engineering-course hackoctoberfest hackoctoberfest2k18 java

Last synced: 16 Aug 2025

https://github.com/janishar/graph-library

Data Structure and Algorithm for Graphs

algorithms data-structures graph graph-algorithms java library

Last synced: 06 May 2025

https://github.com/gherynos/secrete

ECIES implementation with Curve25519.

curve25519 ecies java

Last synced: 14 Jan 2026

https://github.com/skjolber/aotc-gradle-plugin

Ahead-of-Time Compilation in Gradle projects.

aot-compilation gradle-plugin java

Last synced: 22 Apr 2025

https://github.com/guujiang/jacob

A lightweight library to provide coroutines in Java

bytecode coroutine coroutines generator java

Last synced: 14 Jan 2026

https://github.com/xgp/sql2java

Fork of sql2java, a trusty, old code generator

java orm sql

Last synced: 30 Jun 2025

https://github.com/the-web3/wallet-java-sdk

Java 版的多币种钱包签名 SDK

bitcoin blockchain cryptocurrency eth java wallet

Last synced: 11 Jun 2025

https://github.com/memoizr/retro-optional

A backport of Java8 optionals for Java7

backport java java8-optionals monadic-optionals

Last synced: 26 Jan 2026

https://github.com/Pradyuman7/Algorithmics

A Java library for people who want to implement some algorithms quickly.

algorithms competitive-programming hacktoberfest hacktoberfest2022 java java-library

Last synced: 12 Jun 2025

https://github.com/vangie/fc-db

函数计算访问数据库示例集(MySQL、SQLServer、MongoDB、Redis)

faas function-compute java mongodb mssql mysql netcore nodejs php python rds redis serverless sqlserver

Last synced: 23 Apr 2025

https://github.com/im-ahmed-hasan/selenium-cdp-automation

Capture Chrome Console Logs via CDP using Selenium 4.34.0 in Java. Lightweight example to monitor browser logs (info, warnings, errors) using Chrome DevTools Protocol.

cdp ci-cd devtoo java qa sdet selenium selenium-webdriver techskills testng-framework

Last synced: 04 Sep 2025

https://github.com/devwckd/tid

A simple static timeline interpolation library.

interpolation java library timeline

Last synced: 24 Apr 2025

https://github.com/craumix/jmb-container

A containerized version of https://github.com/jagrosh/MusicBot

container discord discord-bot docker docker-compose java jmb-container music-bot

Last synced: 16 Jan 2026

https://github.com/apache/brooklyn-ui

Apache Brooklyn UI

brooklyn cloud java

Last synced: 09 Apr 2025

https://github.com/jdillon/gshell

GShell

cli framework java shell

Last synced: 22 Jun 2026

https://github.com/sureshg/kotlin-starter

🐠 A starter template for kotlin projects using Gradle Kotlin DSL!

build-automation build-tools dokka gradle gradle-kotlin-dsl gradle-script-kotlin java jvm kotlin starter-template

Last synced: 05 Apr 2025

https://github.com/selimhorri/api-mobile-client-consumer-android

Consume an api from project-tracking-system hosted in Cloud

android api-call java volley

Last synced: 12 Apr 2025

https://github.com/duosecurity/duo_universal_java

Duo OIDC-based two-factor authentication for Java web applications

duo java mfa

Last synced: 06 Apr 2025

https://github.com/pavankjadda/liquibasedemo

Safely Evolute Database with Liquibase and Spring Boot

database java jpa-entities liquibase setup-liquibase spring-boot spring-data-jpa

Last synced: 23 Mar 2025

https://github.com/vatsalkesarwani12/vendorrelief

🚑Android App for people of India during this Pandemic of Covid-19. During COVID-19, people living in societies and apartments may not be aware of the nearby shops and vendors whether they are providing essential services or not (such as Groceries, Pharmacy, Dairy, etc) and if they may be providing the people may not know the details of the vendors(like timings, contact number, and address of the shop). People may be facing some doubts about COVID-19. After knowing about these problems faced by some of the people, we have done our best to help them out.

android java kotlin kotlin-mvvm vendor-relief

Last synced: 23 Mar 2025

https://github.com/microcks/microcks-quarkus

Quarkus extension that enables embedding Microcks as a DevService managing mocks for dependencies and contract-testing your API endpoints

api contract-testing devservices java microcks microservices mocking quarkus

Last synced: 13 May 2025

https://github.com/pradyuman7/algorithmics

A Java library for people who want to implement some algorithms quickly.

algorithms competitive-programming hacktoberfest hacktoberfest2022 java java-library

Last synced: 14 Apr 2025

https://github.com/getyoti/yoti-java-sdk

The Java SDK for interacting with the Yoti Platform

2fa identity java login multifactor-authentication register sdk spring-boot verification yoti

Last synced: 19 Jun 2025

https://github.com/meistermeier/spring-graphql-neo4j

Example project using Spring Data Neo4j and Spring GraphQL

java spring-boot spring-graphql

Last synced: 07 May 2025

https://github.com/jgaa/vikinggtd

Getting Things Done tasklist/activity manager

android android-app getting-things-done gtd gtd-applications java

Last synced: 04 Mar 2026

https://github.com/goldmansachs/mrword2vec

A MapReduce / Hadoop implementation of Word2Vec

java mapreduce word2vec

Last synced: 11 Apr 2025

https://github.com/omunite215/nptel-programming-in-java-ultimate-guide

I am sharing my journey of studying a course on Programming in Java taught by Prof.Debasis Samanta Sir IIT Kharagpur

java jdbc jdbc-database nptel nptel-assignments nptel-course nptel-java-solutions nptel-solutions

Last synced: 07 May 2025

https://github.com/heathlogancampbell/retro-craft

🎮Retro Craft - a mini minecraft clone without libraries with an 80's theme

clone graphic-engine graphics graphics-3d java multiplayer netty photos raycasting voxel-terrain

Last synced: 12 Apr 2025

https://github.com/smartystreets/smartystreets-java-sdk

The official client libraries for accessing SmartyStreets APIs from Java (and JRE-based languages)

address-verification java jvm sdk smartystreets

Last synced: 07 Mar 2026

https://github.com/sencha/gxt-demo-explorer

GXT Examples Explorer

examples gwt gxt java sencha

Last synced: 07 May 2025

https://github.com/codestates-seb/seb40_main_004

뉴비 개발자를 위한 따듯한 커뮤니티 서비스입니다.

java nextjs react recoil swr typescript

Last synced: 18 Jul 2025

https://github.com/codershiyar/java

Source code of the tutorial java in arabic which provided by engineer Shiyar Jamo on YouTube and Shiyar Academy

java java-android java-tutorials source-code

Last synced: 26 Apr 2025

https://github.com/yzsvdu/redtrainer

Java Reflection Bot Client for PokeMMO (busy with life, not working right now)

bot java javafx pokemon reflection

Last synced: 07 Oct 2025

https://github.com/openrefine/commonsextension

An OpenRefine extension that helps with Wikimedia Commons editing: start projects from Wikimedia Commons categories; Commons-specific GREL functions.

extension java openrefine sdc wikicommons wikimedia

Last synced: 29 Apr 2025

https://github.com/zhixiangli/code-similarity

Code Similarity Detection.

java lcs similarity similarity-detection

Last synced: 09 Oct 2025

https://github.com/stephengold/v-sport

A Vulkan-based 3-D graphics engine, written in Java (code has New BSD license)

3d-graphics assimp engine glfw graphics-engine java joml jvm-library library lwjgl3 open-source phong vulkan vulkan-engine

Last synced: 18 Jan 2026

https://github.com/ivangfr/springboot-kong-plugins

The goal of this project is to create a simple Spring Boot REST API and securing it with Kong using the LDAP Authentication and Basic Authentication plugins. Besides, we will explore more plugins that Kong offers like: Rate Limiting and Prometheus plugins.

basic-authentication docker java kong kong-plugin ldap ldap-authentication openldap phpldapadmin postgresql prometheus rate-limiting spring-boot spring-web-mvc

Last synced: 08 Oct 2025

https://github.com/sanjarzayniev/deadline-notifier

Serverless application to notify Inha students about the upcoming deadlines of 7 days ahead via telegram bot

deadline github-actions inha java selenium telegram-bot ui-automation

Last synced: 06 Oct 2025

https://github.com/wh1ter0se/powerup-2018

The FRC 2018 programming repository for FRC Team 3695, Foximus Prime

2018 3695 coopertition frc java powerup programming-team robotics robotics-club robotics-competition

Last synced: 06 Oct 2025

https://github.com/neuw84/structured-streaming-avro-demo

Spark 3.0.0 Structured Streaming Kafka Avro Demo

java spark spark-streaming structured-streaming

Last synced: 02 Apr 2025

https://github.com/urunov/java-core-projects

Java Fundamental, OOP, Collection Framework, Lambda, Stream API, File System

collection java oops

Last synced: 27 Mar 2026

https://github.com/compdfkit/compdfkit-api-samples

ComPDFKit PDF API is organized around the REST standard and supports various programming languages with rich PDF features, including conversion, document editor, data extraction, and so forth.

api curl dotnet java javascript pdf-converter pdf-editor pdf-viewer php python rest-api swift

Last synced: 24 Oct 2025

https://github.com/bonigarcia/android-examples

Sample Android apps created with Kotlin and Java

android java jetpack-compose kotlin

Last synced: 05 Mar 2026

https://github.com/vincentkims49/mobile-nutrition-app

Mobile Nutrition is an applicatiion that aims at keeping track of nutrients that the user consumes. It does so by allowing the user to select meals for the day and then gives the amount of nutrients present in the selecte meals. It also provide recipes for the selecte meals to the user.

cpp dart flutter java objective-c

Last synced: 28 Feb 2026

https://github.com/ingogriebsch/spring-hateoas-siren

A library implementing Siren as a custom Spring HATEOAS hypermedia type. Siren is a hypermedia specification for representing entities.

hypermedia hypermedia-format-siren java siren spring spring-boot spring-framework spring-hateoas spring-hateoas-siren spring-mvc spring-web spring-web-mvc spring-webflux

Last synced: 28 Oct 2025

https://github.com/dwango/slack-webhook-appender

Logback appender which posts logs to slack via incoming webhook.

java logback logback-appender slack slf4j

Last synced: 05 Feb 2026

https://github.com/nicktindall/java-raft

A Java implementation of the Raft consensus algorithm

java mit-license raft-consensus-algorithm

Last synced: 28 Oct 2025

https://github.com/kontent-ai/java-packages

Delivery Java SDK for Kontent.ai including examples for Spring, Gradle, Kotlin and Java Android app

content-delivery delivery-sdk hacktoberfest headless-cms java kontent-ai kontent-ai-sample kontent-ai-tool kotlin kotlin-android

Last synced: 11 Jan 2026

https://github.com/allure-examples/cucumberjvm-junit4-maven

Example of Allure Report usage with Cucumber-JVM, JUnit 4 and Maven

allure allure-report cucumber example java junit4 maven

Last synced: 14 Apr 2025

https://github.com/cutr-at-usf/hart-gtfs-realtimegenerator

Desktop application that retrieves AVL data from Hillsborough Area Regional Transit (HART)'s AVL system and produces Trip Updates and Vehicle Positions files in GTFS-realtime format.

avl gps gtfs gtfs-realtime-data hart java protocol-buffers public-transportation transit

Last synced: 21 Sep 2025

https://github.com/tinycedar/classp

用Go开发的Java字节码解析器,和“javap”命令作用一致 Java class file parser plays the same role as "javap"

bytecode classfile java javap parser

Last synced: 27 Jul 2025

https://github.com/nayuki/deflate-library-java

Efficient DEFLATE compressor and decompressor in pure Java.

decompression deflate deflate-format java library

Last synced: 30 Jul 2025

https://github.com/andy-goryachev/fxtexteditor

A monospaced text editor which supports very large text models (WORK IN PROGRESS).

editor handle-billions java javafx javafx-components javafx-desktop-apps javafx-gui

Last synced: 10 Apr 2025

https://github.com/renatoathaydes/jgrab

Runs Java code without a build system, grabbing dependencies declared in the Java file itself.

java rust script-engine

Last synced: 26 Mar 2025

https://github.com/ivangfr/spring-boot-grpc-client-server

The goal of this project is to implement two Spring Boot applications using gRPC: the server, called movie-grpc-server, and the shell client, named movie-grpc-client. The library movie-grpc-lib defines the gRPC interface that both the server and client applications use.

client-server grpc java postgresql protocol-buffers sprind-data-jpa spring-boot spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/seyed0123/melodyhub

At this time, X remains. melODyhub is A digital music streaming service that allows users to listen to songs, podcasts, and other audio content.(Spotify simulator)

java

Last synced: 10 Apr 2025

https://github.com/drsnowbird/jdk-mvn-py3

Ubuntu 24.04 + OpenJDK Java 23 + Maven 3.9 + Python 3.12 + pip 23 + node 21 + npm 10 + Yarn + Gradle 7

docker gradle java maven node-js npm-package openjdk python3 websocket

Last synced: 10 Apr 2025