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/moogacs/problem-solving

Problem solving repo. for the purpose to collect problems solution with different programming language

algorithms c cpp datastructures java javascript problem-solving python

Last synced: 17 Jan 2026

https://github.com/flipkart-incubator/pulsar-weighted-consumer

Pulsar consumer clients offering priority consumption

apache-pulsar java messaging messaging-system priority-message pulsar

Last synced: 15 Jun 2025

https://github.com/java/devrel

Java DevRel feedback

java jdk jvm openjdk

Last synced: 10 Apr 2025

https://github.com/yasuenag/cfa

Class File Analyzer (CFA)

classfile java

Last synced: 11 Apr 2025

https://github.com/moscicky/faissnama

Project Panama with Faiss

faiss java jdk19 panama project-panama

Last synced: 10 Jul 2025

https://github.com/houarizegai/hackerrank-solutions

Solution of HackerRank problems.

cpp hackerrank java problems python solutions sql

Last synced: 10 Apr 2025

https://github.com/eth0rium/mirage

Modern, half-finished, bytecode manipulation library aimed at the JVM

bytecode bytecode-manipulation java jvm reverse-engineering

Last synced: 10 Apr 2025

https://github.com/spring-petclinic/spring-petclinic-hilla

Hilla implementation of the Spring PetClinic sample

hilla java spring spring-boot

Last synced: 05 May 2025

https://github.com/bihan001/spring-boot-rest-boilerplate

Boilerplate for building REST API using Spring Boot, Spring Data JPA and MySQL

java jpa mysql rest spring springboot web

Last synced: 10 Jul 2025

https://github.com/samtebbs33/ash

A modern and concise language that compiles to Java bytecode

compiler java language

Last synced: 12 Apr 2025

https://github.com/manoelcampos/java-postgres-playground

Java / PostgreSQL Playground: servidor Postgres e JDK 17 para construção de aplicações em um container com VSCode no gitpod.io

database-admin database-client gitpod java jdk jdk-17 postgres postgresql vscode

Last synced: 28 Oct 2025

https://github.com/ivangfr/springboot-jpa-studies

The goal of this project is to study JPA Batch Processing (i.e, insert / update / delete a set of records in a single command) and JPA Locking.

database-batch database-locking docker java mysql postgresql spring-boot spring-data-jpa spring-web-mvc springdoc-openapi testcontainers

Last synced: 10 Apr 2025

https://github.com/ambujraj/hacktoberfest2019

A repository for hacktoberfest 2019 [ Not counting towards hacktoberfest contribution ]

beginner-friendly c cpp digitalocean golang hacktober hacktoberfest hacktoberfest19 hacktoberfest2019 html java javascript nodejs php programming python python3 r ruby swift

Last synced: 09 Jul 2025

https://github.com/ashish2030/josh-sde-company-test-solution

👨‍🔧👩‍🏫ᴛʜᴇʀᴇ ɪꜱ ᴀ ᴊᴏꜱʜ ᴄᴏᴍᴘᴀɴʏ ᴛᴇꜱᴛ ꜱᴏʟᴜᴛɪᴏɴ ꜰᴏʀ ꜱᴅᴇ ᴘʀᴏꜰɪʟᴇ👨‍🔧👨‍🔧

java

Last synced: 11 Apr 2025

https://github.com/objectionary/jeo-maven-plugin

This Maven plugin converts Java Bytecode binary files to EOLANG programs that use the "opcode" atom

bytecode bytecode-interpreter code-generation code-optimization eolang java maven-plugin

Last synced: 01 May 2025

https://github.com/vssekorin/cactoos-json

Cactoos JSON library

java oop oop-library oop-principles

Last synced: 13 Apr 2025

https://github.com/pedromassango/appintro

Um simples pacote para adicionar telas de introdução no seu aplicativo. Desenvolvido com a linguagem Kotlin.

adicionar android android-app android-development android-library android-studio appintro intro java jitpack kotlin-android kotlin-extensions kotlin-library library projeto seu-aplicativo

Last synced: 11 Apr 2025

https://github.com/hms-core/hms-dci-demo

HUAWEI DCI Kit sample code shows how to integrate DCI SDK into android app. Guided by this demo, you can experience how to register as a DCI user and register the copyright of photographic work.

copyright-protection hms huawei java

Last synced: 09 Sep 2025

https://github.com/kunminx/sealedclass4java

让 Java 1.8 也能像 Kotlin 一样使用 Sealed Class。Make Java 1.8 use Sealed Class like Kotlin

java java-8 sealed-class

Last synced: 06 Mar 2026

https://github.com/renfei/springclouddemo

SpringCloud微服务入门教程,包含Eureka注册发现、Config配置中心、BUS消息总线、FeignClient客户端 、Zuul网关、Hystrix服务熔断降级、Stream消息队列、Sleuth链路监控、Swagger文档的基本整合演示。

java maven microservice microservices spring spring-cloud

Last synced: 20 Aug 2025

https://github.com/hms-core/hms-wallet-passgenerator

HMS wallet passgenerator is a sample code for how to create a wallet pass package.

hms huawei java maven pass pkcs7 wallet

Last synced: 01 Aug 2025

https://github.com/trzpiot/spring-gradle-hexagonal-example

A Spring example application with a hexagonal (clean) architecture & multi modules with Gradle.

clean-architecture gradle hexagonal hexagonal-architecture java multi-modules ports-and-adapters spring spring-boot

Last synced: 19 Aug 2025

https://github.com/piomin/sample-java-sonar

sample application used as a source for scanning code quality with sonarqube also containing sovarqube plugin with rules definitions

java qa sonar-plugin sonarqube sonarqube-analysis

Last synced: 09 Aug 2025

https://github.com/burgyl/SelfUpdatingApp

An Android Application that can update itself if new releases in GitHub are available.

android java update update-checker updater

Last synced: 04 Apr 2025

https://github.com/taymyr/lagom-extensions

Utilities for Lagom framework

java kotlin lagom

Last synced: 05 Apr 2025

https://github.com/dougnoel/sentinel

A Selenium/Appium framework that enables users to focus on automating web and windows tests, so that automated tests can be written in a non-technical way in the same amount of time as manual tests can be executed.

bdd-framework cucumber gherkin java selenium selenium-framework web-automation webdriver windows-automation

Last synced: 10 Aug 2025

https://github.com/rfresh2/jmwaypointstoxaero

Convert JourneyMap Waypoints to Xaero Waypoints

java journeymap minecraft mod xaero xaeros-minimap

Last synced: 29 Jun 2025

https://github.com/arsy786/spring-boot-roadmap

This repo serves as a thorough guide to mastering Spring Boot!

2022 guide java spring-boot

Last synced: 10 Aug 2025

https://github.com/tginsberg/java-timestream

A set of builders that create streams of java.time objects

java java-8 java-time stream

Last synced: 31 Aug 2025

https://github.com/dvoraka/av-service

Network file service with replication and anti-virus checking

amqp anti-virus database file-services java jms kafka replication rest solr spring spring-boot storage

Last synced: 16 Jan 2026

https://github.com/qaf-tm/qaf-support-ws

Support project that provides ready to use steps for webservices

bdd java qaf rest rest-api test-automation testng webservices

Last synced: 08 Aug 2025

https://github.com/ApexStudios-Archive/FantasyFurniture

Adds Fantasy-Themed Furniture & Decorational blocks to the game

forge forge-mod java minecraft minecraft-forge minecraft-forge-mod minecraft-mod minecraftforge mod

Last synced: 27 Sep 2025

https://github.com/arakelian/json-filter

High speed filtering of arbitrarily large JSON documents

filter filtering high-performance java java-8 json json-filter json-stream streaming

Last synced: 01 Aug 2025

https://github.com/lucasrmagalhaes/matches-simulator-java_kotlin

Sportheca Mobile DEV Week - Simulador de Partidas 🎲

android-studio dio firebase java kotlin sportheca

Last synced: 24 Aug 2025

https://github.com/chen0040/java-lda

Package provides java implementation of the latent dirichlet allocation (LDA) for topic modelling

java latent-dirichlet-allocation natural-language-processing statistical-methods topic-modeling

Last synced: 01 Aug 2025

https://github.com/raymondxu/java-workshop

Intermediate Java workshop on variables, abstraction, and design patterns ☕

design-patterns java workshop

Last synced: 15 Aug 2025

https://github.com/fishercoder1534/randomjava

Any random Java goes here.

design-patterns examples intellij java java-8

Last synced: 15 May 2025

https://github.com/raofin/bearburger-swing

A maven project with a pretty great UI, developed using Java Spring and Swing frameworks, JDBC template, and other technologies.

academic-project flatlaf food-management food-ordering java java-spring java-swing maven

Last synced: 27 Aug 2025

https://github.com/cityssm/pdfFlattener

PDF Flattener - Secure PDF documents by making floating redactions and form entries permanent.

flatten java pdf pdf-flattener pdf-forms pdfbox redaction security

Last synced: 14 May 2025

https://github.com/carlos-marrugo/bienestar-software

Sistema de seguimiento de horas hechas en actividades de cada estudiante universitario. Roles: Director, Instructor, Estudiante #springboot

clean-architecture java jwt mockito-junit-test spring sprintboot

Last synced: 11 Aug 2025

https://github.com/hlavki/netbeans-svuid-generator

TheNetBeans plugin that automates the generation of the serialVersionUID field.

java netbeans serialization

Last synced: 14 Jan 2026

https://github.com/hexworks/caves-of-zircon

A roguelike tutorial project using Zircon which is a spiritual successor of Caves of Clojure and Trystan's roguelike tutorial.

demo java kotlin roguelike zircon

Last synced: 31 Aug 2025

https://github.com/aymane-maghouti/big-data-project

This project aims to predict smartphone prices using a combination of batch and stream processing techniques in a Big Data environment. The architecture follows the Lambda Architecture pattern, providing both real-time and batch processing capabilities to users.

apache-airflow apache-kafka apache-spark batch-processing big-data-projects hbase hdfs ingestion java lambda-architecture machine-learning postgresql-database powerbi pyspark python spring-boot streaming

Last synced: 29 Oct 2025

https://github.com/hatamiarash7/memorygame

Android Game For Kids

android game java

Last synced: 23 Apr 2025

https://github.com/soneso/stellar-java-mnemonic

A Java library that can be used to create mnemonics for the Stellar Network (e.g. for your Android app)

android blockchain cryptocurrency java key-derivation mnemonic mnemonics stellar stellar-network

Last synced: 27 Apr 2025

https://github.com/shubh2-0/serialization-in-java

Serialization is a mechanism of converting the state of an object into a byte stream. Deserialization is the reverse process where the byte stream is used to recreate the actual Java object in memory. This mechanism is used to persist the object.

deserialization interface java java-8 java-classes object object-oriented-programming serialization

Last synced: 23 Apr 2025

https://github.com/depromeet/ding-dong-be

Ding Dongㅣ서로의 TMI를 공유하고 친해지고 싶은 마음을 전하세요

java jpa mysql spring-boot

Last synced: 19 Apr 2025

https://github.com/samie/spring-ai-chat

Minimal chat application using Spring AI.

java llm ollama ollama-gui spring-ai spring-ai-openai spring-boot vaadin

Last synced: 14 Feb 2026

https://github.com/mhyrzt/dlib-android-face-landmark

face landmark detection for Android devices with c++, dlib, java, OpenCV

android cmake dlib face-detection java opencv

Last synced: 09 Apr 2025

https://github.com/suninformation/ymate-module-oauth-connector

基于YMP框架实现的第三方OAuth授权登录模块, 目前已实现GitHub、Weibo、Baidu、Wechat、OSChina、Gitee和QQ等;

connector java module oauth2 web-mvc ymp

Last synced: 26 Jan 2026

https://github.com/OkaeriPoland/okaeri-pluralize

Simple pluralization library with support for the rules of 143 locales

i18n java pluralization translation

Last synced: 10 Mar 2025

https://github.com/bbossgroups/bboss-http

bboss http5一个简单而功能强大的、基于httpclient5的、去中心化的http/https负载均衡器以及http rpc框架,基于http/https协议实现客户端-服务端点到点的负载均衡和集群容灾功能,可以基于post/get/put/requestbody等方法对接调用任何基于http协议开发的微服务,包括spring cloud、spring boot、spring mvc以及其他基于http协议开发的微服务;提供streamchat方法,轻松对接各种大模型服务,实现流式对话应用;完全支持http2协议;同时还可以非常方便地实现多个文件上传服务器。可基于apollo和nacos管理服务配置参数和实现服务发现功能。

bboss java microservice sse-client stream

Last synced: 14 Jan 2026

https://github.com/apache/servicemix-components

Mirror of Apache ServiceMix components

java network-client network-server osgi scala servicemix xml

Last synced: 09 Apr 2025

https://github.com/rajmalpankaj786/readytoride_busreservationsystem

The Full Stack Bus Reservation System optimizes bus ticket booking with a user-friendly interface. It enables users to browse, select routes, and reserve seats seamlessly. Utilizing modern front-end technologies and robust server-side capabilities, the project exemplifies full-stack proficiency.

css3 hibernate-jpa html5 java javascript mysql spring-boot swagger-ui

Last synced: 09 Apr 2025

https://github.com/bvolpato/ghostme4j

:ghost: Ghost Me - Java HTTP Proxifier

anonymous java privacy proxy user-agent

Last synced: 11 Apr 2025

https://github.com/arindam-modak/yrass-media-player

YRASS Media Player desktop application. Watch videos, movies, listen songs with cool interactive user interface and features.

desktop-app fxml gui java javafx mediaplayer

Last synced: 09 Apr 2025

https://github.com/ardetrick/ory-hydra-refrence-java

An example/reference implementation of Ory Hydra in Java with SpringBoot. Shows the basicis of OAuth2 integraiton with OIDC. Includes a full suite of integration tests using Testcontainers.

gradle java oauth2 oauth2-authorization oauth2-provider oauth2-server oidc ory-hydra playwright playwright-java spring-boot springboot testcontainers

Last synced: 01 Mar 2026

https://github.com/hereliesaz/ideaz

Mobile development that feels like it's just you and your IDEaz -- The Post-Code IDE for Android.

android android-app android-ide flutter java javascript kotlin mobile-ide react-native webapp website

Last synced: 06 Jun 2026

https://github.com/mmtk/mmtk-jikesrvm

JikesRVM binding for MMTk

java jikesrvm mmtk vm

Last synced: 10 Feb 2026

https://github.com/jrs296/leetcode-solutions

LeetCode Solutions of JRS296.

dsa dsa-algorithm java leetcode

Last synced: 04 Apr 2026

https://github.com/dsibilio/spring-cloud-stream-custom-binder

A practical example showing how to develop your own custom Spring Cloud Stream Binder

custom-binder java spring-boot spring-cloud spring-cloud-stream

Last synced: 26 Feb 2026

https://github.com/uportal-project/newsreaderportlet

Java Portlet for viewing syndicated news feeds.

java portal portlet uportal uportal-start-bundled

Last synced: 05 May 2026

https://github.com/double-o-seven/equalizer

Fluent builders for correct equals() and hashCode() implementations for Java 8+

equals fluent-api fluent-builders fluent-interface hashcode java java-8 java8

Last synced: 18 Jun 2025

https://github.com/kavithma-thushal/fruit-juice-lab

A Simple POS System using java 8 & javafx in Layered - Architecture

java javafx mysql

Last synced: 24 Jul 2025

https://github.com/maxim5/routekit

Super-fast and lightweight Java URL router.

high-performance java router routing url web

Last synced: 06 Apr 2025

https://github.com/gradle/common-custom-user-data-maven-extension

Maven extension that enhances published build scans by adding a set of tags, links and custom values that have proven to be useful for many projects building with Develocity.

java maven

Last synced: 06 Apr 2025

https://github.com/hvdwolf/fet

A simple tool that adds some extra functionality to your FYT car head unit.

android fyt java sc9863 shell uis7862 uis8581 ums512

Last synced: 14 Apr 2025

https://github.com/mkotb/menuapi

A lightweight and extensive MenuAPI using Java 8

bukkit java menu menu-api spigot

Last synced: 04 Mar 2025

https://github.com/younessboumlik/gestiondevente

Ce projet consiste en une application de bureau développée avec JavaFX, visant à optimiser la gestion des ventes. Elle permet de gérer divers aspects essentiels tels que les factures, les livraisons, les commandes, les clients et les produits. L'application offre une interface intuitive et facilite l'accès et la manipulation des données.

desktop-app desktop-application gui-application jar jasypt-encryptor jasypt-password java javafx javafx-application javafx-desktop-apps javafx-gui javafx-project mailtrap-api scenebuilder twilio-api twilio-sms-api

Last synced: 14 Apr 2025

https://github.com/lemon24/linesieve

An unholy blend of grep, sed, awk, and Python.

awk cli command-line grep java python regex replace search sed terminal text text-processing

Last synced: 24 Dec 2025

https://github.com/yuriytkach/fundraiser-tracker

Fundraiser Tracker implemented as AWS Lambda with ability to manage through Slack and autosync with Monobank and Privatbank

aws aws-lambda aws-secrets-manager dynamodb java monobank-api privatbank-api quarkus slack-bot

Last synced: 26 Jul 2025

https://github.com/dwolla/dwolla-v2-kotlin

Official Dwolla SDK for Kotlin/Java

dwolla dwolla-api java kotlin sdk

Last synced: 06 Apr 2025

https://github.com/mygreen/excel-cellformatter

Excelのセルの書式を解析してフォーマットするライブラリ。

excel java poi

Last synced: 16 Jan 2026

https://github.com/apache/sling-org-apache-sling-query

Apache Sling Query

java sling

Last synced: 24 Mar 2025