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/jrvansuita/shoppinglist

📝 My very first Android app, a shopping list app.

android android-application checklist java lists markers price quantities shopping shoppinglist

Last synced: 02 Feb 2026

https://github.com/hkhc/electricspock

Bridging Robolectric and Spock framework.

android groovy java robolectric spock-framework unit-test

Last synced: 05 Apr 2025

https://github.com/wurst-imperium/mo-glass

Minecraft mod that adds glass stairs and glass slabs. They look great in any build and connect seamlessly with vanilla glass blocks.

building-blocks crafting-recipes curseforge curseforge-mod decoration-blocks fabric fabricmc-mod glass java minecraft minecraft-fabric-mod minecraft-mod mod modded-minecraft modrinth modrinth-mod neoforge neoforge-mod

Last synced: 12 Apr 2025

https://github.com/minnukota381/calculator-android-studio

A Simple Calculator design using Android Studio

android android-studio java

Last synced: 12 Jul 2025

https://github.com/pavelicii/allpairs4j

🧮Pairwise combinations generator with constraints for Java

allpairs combinatorial-testing java pairwise pairwise-testing test-automation testing testing-tools

Last synced: 11 Jan 2026

https://github.com/xvik/dropwizard-orient-server

Embedded OrientDB server for dropwizard

dropwizard java orientdb

Last synced: 13 Apr 2025

https://github.com/xdwangwei/elasticsearch-jd

最简单的ElasticSearch入门练手项目,前后端分离,SpringBoot+ElasticSearch+Vue仿京东搜索,并高亮关键字显示,适合刚学习ES的小伙伴们~~~

elasticsearch java jsoup springboot vue

Last synced: 08 May 2025

https://github.com/frcteam1967/frcteam1967

FRC Team 1967 • The Janksters • Notre Dame High School

c-plus-plus first-robotics-competition frc-robot girlswhocode java robotics team-1967

Last synced: 24 Oct 2025

https://github.com/apache/opennlp-addons

Mirror of Apache OpenNLP Add-ons

java library opennlp

Last synced: 19 Oct 2025

https://github.com/apache/tomcat-training

Apache Tomcat Training Material

http java javaee network-server tomcat

Last synced: 19 Oct 2025

https://github.com/yoep/popcorn-fx

Popcorn FX is a multi-platform torrent streaming client that includes an integrated media player with support for embedded devices such as the Raspberry PI.

desktop embedded-systems java javafx media-player raspberry-pi rust streaming tv

Last synced: 02 Apr 2026

https://github.com/404name/face-check-in-system

基于springboot + jpa + Erupt后台框架开发的综合签到打卡系统,支持人脸识别(百度云),指纹识别(本地指纹仪+websocket),签到数据展示,签到情况微信推送;支持docker-compose一键部署

erupt java

Last synced: 16 Oct 2025

https://github.com/almasb/fxgl-mavengradle

A template project for FXGL games using Maven and Gradle.

fxgl fxgl-games gradle java maven

Last synced: 26 Feb 2026

https://github.com/zhenye-na/lintcode

👨‍💻 This repository contains the solutions and explanations to the algorithm problems on LintCode. All are written in Python/Java/C++ and implemented by myself.

algorithms coding-interviews cpp java lintcode lintcode-problems-practice python

Last synced: 09 Oct 2025

https://github.com/bshao001/goworld

A client-server network socket based user interface for Go game, dedicated for two players . 围棋游戏网络双人版。

client-server gogame java swing-gui weiqi

Last synced: 14 Oct 2025

https://github.com/rafaelfgx/java

Java, Spring Boot, Docker, Testcontainers, PostgreSQL, MongoDB, Kafka, LocalStack, AWS (SQS, S3), JWT, Swagger, Patterns (Mediator, Observer, Outbox, Strategy).

java java-24 java-api java-spring-boot java-springboot java24 kafka localstack mongodb patterns postgres postgresql s3 spring spring-boot springboot sqs testcontainers

Last synced: 05 May 2025

https://github.com/phoenix616/randomteleport

Bukkit plugin which lets you teleport players to random locations. [v2 requires 1.13+]

bukkit java minecraft paper plugin random-teleport spigot wildtp

Last synced: 21 Mar 2025

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

Gradle plugin to turn JVM Test Suites into Blackbox or Whitebox Test Suite for Java Modules

gradle-plugin java java-modules jpms testing

Last synced: 10 Apr 2025

https://github.com/paulsandoz/jersey-netty-app

Tutorial on Java 9, docker and kubernetes

docker grafana java kubernetes monitoring prometheus

Last synced: 09 Jul 2025

https://github.com/jakewins/jaa

Actionable memory analysis for JVM languages

java jvm jvm-performance kotlin openjdk scala

Last synced: 10 Apr 2025

https://github.com/patilshreyas/library-ci

Sample repository to demonstrate usage of GitHub Actions CI's workflow dispatch to automate publishing of a library to Maven Central

android android-library bintray github-actions gradle java jcenter kotlin library mavencentral workflow-dispatch

Last synced: 10 Apr 2025

https://github.com/maulingmonkey/jerk

JERK: Java Embedding Rust Kit

java jvm metabuild rust

Last synced: 10 Apr 2025

https://github.com/saberglow/codility_tasks

Codility Tasks & Solutions [100% Performance]

c codility codility-100 codility-solutions cpp java java-11

Last synced: 10 Apr 2025

https://github.com/pacifiquem/libra

♎Library Management Information System ♎.

hibernate java maven sql

Last synced: 07 May 2025

https://github.com/selimhorri/jhipster-architectural-comparison

Initialization of a JHipster project - Monolithic vs Microservice Application

angular h2 java jhipster liquibase mysql service-worker spring-aop spring-data-jpa spring-security typescript webpack

Last synced: 12 Apr 2025

https://github.com/io7m-com/jspatial

Spatial data structures

java oct-tree quad-tree spatial

Last synced: 21 Jun 2025

https://github.com/minhaskamal/alphabetrecognizer

Simple Optical Character Recognizer (english-ocr-image-to-text-recognition-sample-trainig-alphabet-photo-data-database-dataset)

alphabet-recognizer data database english image-processing java machine-learning ocr sample template-matching text-recognition training-data writing

Last synced: 11 Apr 2025

https://github.com/nomemory/neat-sample-databases-generators

Neat java scripts (!not javascript) to generate arbitrary data for various sample databases (hr schema, classicmodels, etc.)

classicmodels java jbang mariadb mockneat mysql postgresql sample-databases sample-schemas sql

Last synced: 26 Mar 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

https://github.com/mukeshmithrakumar/hackerranksolutions

My HackerRank Solutions for Python, Java, C, C++, Shell, SQL, JavaScript and Interview Preparation Kit

bash c cpp data-science hackerrank hackerrank-solutions interview-preparation interview-questions java javascript linux-shell machine-learning python python3 shell software sql

Last synced: 09 Jul 2025

https://github.com/goldmansachs/mrword2vec

A MapReduce / Hadoop implementation of Word2Vec

java mapreduce word2vec

Last synced: 11 Apr 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/stasgora/mesh-editor

Desktop application that turns raster images into low poly vector art

editor image java low-poly mesh svg triangles

Last synced: 13 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/ripred/javachess

24-bit ANSI colored, console-based chess engine using Java. Optional multi-threaded AI using Minimax with alpha-beta pruning. Fully configurable properties including: ply depth, thread pool size, optional AI time limit, all colors, and more.

alpha-beta-pruning chess chess-ai chess-engine configurable console-color console-game java javachess minimax-algorithm multithread

Last synced: 25 Jun 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/raydac/jute

Small maven plugin allows to execute JUnit tests as separated external processes.

java maven-plugin test-driven-development testing

Last synced: 09 Mar 2026

https://github.com/brunocampos01/introducao-a-programacao-orientada-a-objetos

Aulas e exercícios da matéria: Introdução à Programação Orientada a Objetos I (INE5603)

atm atributos book-exercises ine java learning-java loop metodos objetos orientacao-a-objetos poo structures ufsc

Last synced: 04 Oct 2025

https://github.com/mlang/freedots

MusicXML to Braille Music transcription

blind braille java music musicxml transcription

Last synced: 18 Aug 2025

https://github.com/apache/nifi-site

Apache NiFi website

hacktoberfest hugo java nifi

Last synced: 07 Apr 2025

https://github.com/dumasd/gamer

基于Netty开发的游戏服务器框架

etcd http http2 java mvc-framework netty push redis rpc servlet spring-boot tcp websocket zookeeper

Last synced: 23 Apr 2025

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

Mirror of Apache HBase Third Party Libs

database hbase java

Last synced: 23 Aug 2025

https://github.com/yop-platform/yop-java-sdk

Yeepay openapi SDK for Java

gradle java sdk yop

Last synced: 11 Apr 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/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/somefree/zoo-timer

分布式timer插件, 轻量, 易用, 去中心化, 均衡负载, 集群节点通过zookeeper同步作业, java编写

java timer zookeeper

Last synced: 14 Jan 2026

https://github.com/thenishchalraj/passwordstrengthbar

An android library to show the password strength using four strength bars with colours set for each and methods available to play with strength of bars.

android android-application android-development android-library android-ui custombar hacktoberfest java password-strength passwordstrengthbar-library strength-bars

Last synced: 17 Feb 2026

https://github.com/shiraji/butai

Android library that adds methods isForeground/isBackground/isReturnedFromBackground

android-library java kotlin

Last synced: 04 Jul 2025

https://github.com/badasintended/megane

glasses are really versatile

fabricmc java minecraft

Last synced: 17 Sep 2025

https://github.com/pfirmstone/jgdms

Infrastructure for providing secured micro services, that are dynamically discoverable and searchable over ipv6 networks

distributed-computing iot java osgi-services security

Last synced: 10 Apr 2025

https://github.com/utmhikari/mahjong-helper

日麻助手V0.50——百科、教程阅读、牌效分析、天凤观战与对战

guide java mahjong riichi

Last synced: 28 Feb 2025

https://github.com/devwckd/tid

A simple static timeline interpolation library.

interpolation java library timeline

Last synced: 24 Apr 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: 12 Jun 2025

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/azure/modern-web-app-pattern-java

The Modern Web App Pattern is a set of objectives to help you apply an iterative change to modernize a cloud deployed monolith. This content builds on the Reliable Web App. This repo contains a reference implementation of a Modern Web App for Java.

architecture azd-templates azure azure-app-configuration azure-app-service azure-application-insights azure-cache-redis azure-container-apps azure-container-registry azure-front-door azure-keyvault azure-postgres azure-service-bus java microsoft reference-implementation terraform

Last synced: 28 Oct 2025

https://github.com/oussamabonnor1/findtheletter_android_app

FindTheLetter is an app that is designed to help kids to learn a language by giving them simple words to complete or images to guess their names. Currently it supports only elnglish.

android android-application android-studio english-learning java xml

Last synced: 02 May 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/almuradev/almura

The official mod of the Almura Client and Server.

almura forge java minecraft sponge

Last synced: 20 Jan 2026

https://github.com/gematik/ref-gemlibpki

Products specified by gematik which have to deal with PKI will have to handle certificates, ocsp requests/responses and TSLs (TrustedServiceProvider Status List). This library may help to understand the intention of gematik specification and could be useful for software implementations.

cryptography gematik gemspec idm java other pki pki-library reference-implementation

Last synced: 19 Apr 2025

https://github.com/igr/swingspy

Swing introspector, shows a hierarchy of dialog's elements under the cursor.

java swing swing-gui utility

Last synced: 11 Apr 2025

https://github.com/kstateome/lti-attendance

LTI application for keeping track of student attendance in Canvas courses

canvas-lms java lti lti-tool

Last synced: 16 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/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/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/reachsumit/tensorflow-mobilenet-which-car-is-that

Android app containing an Image classifier based on transfer learning CNN using Tensorflow 1.4.1 on Stanford's Imagenet cars dataset

android-application deep-neural-networks imagenet-classifier imagenet-dataset java playstore-sample python-3 tensorflow tensorflow-android transfer-learning

Last synced: 24 Jul 2025

https://github.com/marklogic/ml-app-deployer

Java client for the MarkLogic REST Management API

java java-library marklogic resttemplate

Last synced: 28 Jul 2025

https://github.com/openpatch/scratch-for-java

A library to ease the transition from Scratch to Java

bluej hacktoberfest java processing scratch

Last synced: 19 Apr 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/techsenger/weaverbird

Techsenger Weaverbird – A framework for dynamically creating and deploying modular components using ModuleLayer.

java java-9-module java-9-modules java-framework java-lib java-library java-modularity java-module java-module-standalone java9 java9-jigsaw jigsaw jpms modularization modules

Last synced: 31 May 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/l-lin/dev-cheat-sheet

Some development reminders

cheatsheet golang java shell

Last synced: 29 Jan 2026

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/rickyes/jasypt

org.jasypt.util.text.BasicTextEncryptor for Node.js

basictext basictextencryptor jasypt java nodejs

Last synced: 25 Feb 2026

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/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/sizzlecar/mundo

mundo是一个轻量级,灵活的,高性能的流程引擎

java processengine

Last synced: 02 May 2026

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/gherynos/secrete

ECIES implementation with Curve25519.

curve25519 ecies java

Last synced: 14 Jan 2026

https://github.com/phramusca/jamuz

Music library manager, player and more ---

audio-player export java merge music-manager music-player playlist statistics tagging

Last synced: 25 Apr 2025

https://github.com/luminati-io/java-web-scraping

Quick guide with code example how to use Java for web scraping

java maven scraping-websites web-data-extraction

Last synced: 22 Apr 2025

https://github.com/eclipse-archived/edje

Edje project (ARCHIVED)

eclipseiot embedded internet-of-things java

Last synced: 25 Apr 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/yegor256/together

Executes Java lambda in multiple threads and collects their results (useful for testing for thread-safety)

concurrency java java-8 java-li testing thread-safety threads

Last synced: 07 Jan 2026

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

Apache Brooklyn UI

brooklyn cloud java

Last synced: 09 Apr 2025