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/riveraaj/conversor-de-moneda-crc

Proyecto Conversor de Moneda con Java en el Alura Challenges de ONE - Oracle Next Education

challengeoneconversorlatam4 java

Last synced: 10 Apr 2025

https://github.com/codestates-seb/seb40_pre_030

Shark Overflow 🦈

java react

Last synced: 13 Apr 2025

https://github.com/hpple/reflection-assert

Reflection Assert for JUnit 5 & others

assert assertions java junit junit5 reflection testing unit-testing

Last synced: 14 Jan 2026

https://github.com/fahimahammed/problem-solving-in-java

Problem-solving in Java at Online judge.

java

Last synced: 09 Aug 2025

https://github.com/dhis2/dhis2-java-sdk

Java SDK for DHIS2

android dhis2 integration java sdk

Last synced: 22 Apr 2025

https://github.com/baijifeilong/antea

Antea Free Chat, an encryption tool for text communication on Android

accessibilityservice android app baijifeilong encryption java

Last synced: 23 Apr 2025

https://github.com/varshithvhegde/pdfsign

Android App to Digitaly Sign PDF

android androidstudio java pdfsign playstore

Last synced: 04 Mar 2026

https://github.com/openfacade/http-facade

Simple Http Client/Server Facade for Java

facade http http-client http-server java

Last synced: 07 Mar 2026

https://github.com/Simsilica/SimArboreal-Editor

Editor using the SimArboreal library to generate exportable tree models.

java jme3 jmonkeyengine jmonkeyengine3

Last synced: 19 Mar 2026

https://github.com/codestates-seb/seb40_main_012

🍒 CherryPick - 책과 문화콘텐츠 정보 공유 커뮤니티 서비스

java javascript react spring-boot

Last synced: 05 Mar 2026

https://github.com/tahmid-saj/fin-predict

Finance prediction app to view historical and current market data, weekly predictions on BTC / stocks / forex, and get support from AI driven services. Developed with Spring Boot, Maven, Thymeleaf, Django, AWS, GCP, Docker, MySQL.

aws bitcoin bootstrap django forecasting-models gcp java maven ml mysql spring-boot thymeleaf

Last synced: 18 Mar 2026

https://github.com/khan-mujeeb/hackerrank-certification-solution-

Here you can find HackerRank Certification Solution

hackerrank-certification java problem-solving

Last synced: 25 Oct 2025

https://github.com/pranjay-poddar/hack_this_fall_2.0

Project Submission For Hack This Fall 2.0 Hackathon

angular bootstrap css hackathon-project html java maven medical spring-boot typescript

Last synced: 04 Mar 2026

https://github.com/st235/richtextview

A simple way to work with icon fonts. 💰

android assets fonts icons java library performance text

Last synced: 04 Mar 2026

https://github.com/muhammedzohaib/hitfit-gym-app

A Java and JavaFX-based Gym Management App that enables user login/signup and provides administrative features for efficient gym management. Simplify and streamline your gym operations with this user-friendly application.

desktop-app gui gui-application gym-management-system intellij-idea java java-project javafx javaprogramming project semester-project

Last synced: 04 Mar 2026

https://github.com/pozitp/emendmine

📦 A Fabric modpack for Minecraft that focuses on performance, optimizations and some improvements

java minecraft modpack optifine optimization

Last synced: 22 Mar 2025

https://github.com/frimtec/jpse

:electric_plug: API to easily execute PowerShell commands and scripts from Java.

api java linux powershell pwsh windows

Last synced: 02 Sep 2025

https://github.com/idelstak/ikonx

Simplify icon selection with IkonX - your Ikonli icon pack browser.

atlantafx icon-pack ikonli-icons java javafx-desktop-apps javafx-gui

Last synced: 12 Jan 2026

https://github.com/dima74/ancientempires

It's a fantasy turn-based tactics game for android

android game java

Last synced: 18 Mar 2025

https://github.com/xdev-software/bzst-dip-java-client

Java client library for the BZST - DIP (Bundeszentralamt für Steuern - Digitaler Posteingang)

bundestzentralamt-fuer-steuern bzst client digitaler digitaler-posteingang dip java posteingang steuern

Last synced: 04 Oct 2025

https://github.com/hugmanrique/emptyoptimizer

:ski: Optimize TPS and memory consumption of empty Spigot servers

java optimizer spigot

Last synced: 03 Aug 2025

https://github.com/kane50613/osu4j

The osu API wrapper written in Java

api java osu osu-api osu-framework osu-libraries

Last synced: 07 May 2025

https://github.com/ebean-orm/ebean-migration

DB Migration runner (similar to Flyway) which can be used standalone or with Ebean (run migrations on EbeanServer start)

database database-migrations flyway java

Last synced: 20 Aug 2025

https://github.com/gamussa/streaming-movie-ratings-min-0519

A small version of of https://github.com/confluentinc/demo-scene/tree/master/streams-movie-demo

apache-kafka groovy java kafka kafka-streams stream-processing

Last synced: 02 Aug 2025

https://github.com/feltex/mensageiro

Utilizando Java, Spring Boot e RabbitMQ.

amqp feltex java spring springboot

Last synced: 22 Aug 2025

https://github.com/contentful/the-example-app.java

Example app for Contentful in Java

contentful heroku java spring-boot

Last synced: 29 Sep 2025

https://github.com/testify-project/testify

A Java Testing Framework faithful to sound testing principles and best practices.

grpc-java guice hk2 java jersey2 semantictesting spring spring-boot tdd testify

Last synced: 16 Aug 2025

https://github.com/yegor256/jpeek-maven-plugin

Maven Plugin for jPeek

cohesion java maven-plugin metrics

Last synced: 04 Aug 2025

https://github.com/kinotic-ai/vertx-mcp

A Vert.x MCP Server built on top of MCP Java SDK

java llms mcp mcp-server vertx

Last synced: 08 May 2026

https://github.com/sandun-induranga/spring-boot-crud

Spring Boot MySQL CRUD Operations

hibernate java mysql spring-boot

Last synced: 25 Jun 2025

https://github.com/isislab-unisa/sof

Simulation Optimization and exploration Framework on the cloud: SOF

agent-based-simulation hadoop java mapreduce optimization-process simulation-model simulation-optimization sof

Last synced: 12 Apr 2025

https://github.com/anataliocs/reactiveapp2019

Building a Reactive App with Angular and Spring Boot 2 (REVISION 2019)

java reactive reactive-programming spring-boot webflux

Last synced: 12 Apr 2025

https://github.com/urunov/spring-boot-hibernate-database

Spring Boot, REST API, JDBC and JDBC Template, JPA, Hibernate, ORM, H2, MySQL, POSTMAN, Swagger (Hub)

api database h2-database hibernate hibernate-orm java jdbc jpa mysql orm spring-boot springboot-database swagger

Last synced: 29 Oct 2025

https://github.com/gazbert/bxbot-ui-server

A simple proxy server for routing commands from BX-bot UI to BX-bots running in the cloud

bxbot java jwt proxy rest-api rest-client spring-boot

Last synced: 12 Apr 2025

https://github.com/abhisheksuresh2/abhi-bug-bot

ABHI-BUG-BOT Is A WhatsApp BUG Bot Codded By ABHISHEK SURESH🎯

abhi-bug-bot abhishek-ser bot bug-bot chatbot java nodejs python scbot termux vpn wa wabot whatsapp whatsapp-bot

Last synced: 08 May 2025

https://github.com/bertrandmartel/bboxapi-router

:signal_strength: Bbox Router API client library for Kotlin/Java/Android

android api-client bbox bouygues gateway-api java kotlin library

Last synced: 07 May 2025

https://github.com/tobiasmiosczka/nami-antragshelfer

Programm zum Ausfüllen von Förderungsanträgen und Generieren von Notfall-Telefonlisten für Pfadfinderstämme der DPSG

dpsg http-client java json openoffice

Last synced: 31 Mar 2025

https://github.com/ibmstreams/streamsx.hdfs

This toolkit provides operators and functions for interacting with Hadoop File System.

hadoop hdfs ibm-streams java stream-processing toolkit

Last synced: 09 Sep 2025

https://github.com/bertrandmartel/apk-checker

Java APK integrity checker and key comparator

android apk java

Last synced: 07 May 2025

https://github.com/amitjoy/osgi-messaging

OSGi Messaging Specification RFC 246 and compliant MQTT 5.0 Implementation

internet-of-things iot java messaging messaging-api mqtt mqtt-client mqtt5 mqttv5 osgi osgi-messaging pubsub rfc-246

Last synced: 21 Mar 2025

https://github.com/4kills/particleeffects

A small, efficient Minecraft particle effect library for creating astounding, server-sided visual effects for your Minecraft plugin!

java minecraft minecraft-library minecraft-plugin-development particle particle-effects particles

Last synced: 08 May 2025

https://github.com/boudhayan-dev/spring-xsuaa-cloud-foundry

Spring boot integration with OAuth2 (XSUAA) service in SAP Cloud Foundry.

cloud cloud-foundry java oauth2 sap spring-boot springboot xsuaa

Last synced: 13 Apr 2025

https://github.com/mestackcodes/signinwithgoogledelphi

Delphi component for integrating Google Sign-In using the Android Credential Manager

android androidx credential-manager credentials delphi delphi-components firemonkey google google-sign-in java jni kotlin pascal-language

Last synced: 19 Jul 2025

https://github.com/myoss-cloud/myoss-starter-projects

myoss open source project, starter projects written in Java

java spring-boot startup

Last synced: 13 Apr 2025

https://github.com/nextbreakpoint/freeimage4java

FreeImage4Java provides a Java wrapper of FreeImage library

freeimage freeimage-wrapper java java-library java-wrapper

Last synced: 07 May 2025

https://github.com/juliaaano/rhdm-quickstart

A collection of artifacts to get you started with Red Hat Decision Manager.

drools java kie-server rhdm rhdm-springboot

Last synced: 18 Mar 2025

https://github.com/wizardoftrap/to_do_list

ToDoList App is an Android application developed in Java and utilizing SQLite for data management. With features like task creation, editing, deletion, and marking tasks as done, users can efficiently organize their daily activities. The app offers additional functionalities such as setting task priority, categorization, and adding detailed notes.

android androiddevelopment androidstudio java sqlite

Last synced: 08 Oct 2025

https://github.com/bnusunny/supersonic-java-on-lambda

Best practices for reducing Java lambda cold start time

graalvm java lambda quarkusio

Last synced: 14 Oct 2025

https://github.com/jerry-felipe/ai-predictivemaintenancesystem

The AI-PMS Microservice uses AI to predict aircraft system failures before they occur, optimizing maintenance and enhancing safety. This modular microservice integrates with fleet management systems, providing real-time predictions and automated alerts for preventive maintenance interventions.

aeronautical aeronautics aerospace aerospace-engineering ci-cd docker java logging oracle scalability

Last synced: 16 Mar 2025

https://github.com/deechael/dynamicclassgenerator

Allow you to generate java class when running a program

compile dynamic-programming java kotlin runtime

Last synced: 06 Oct 2025

https://github.com/qinxuewu/wechat-parent

基于Spring Cloud微服务化开发平台,核心技术采用Spring Boot2以及Spring Cloud 相关核心组件,前端采用Vue的微信公众号管理系统。 主要是用于学习使用

java springboot2 springclond wechat

Last synced: 29 Apr 2025

https://github.com/chat-pass/dify-api-java-sdk

Dify API Java SDK 是一个用于与 [Dify](https://dify.ai) 平台进行交互的 Java 客户端库。它提供了对 Dify 应用 API 和知识库 API 的完整支持,让 Java 开发者能够轻松地将 Dify 的生成式 AI 能力集成到自己的应用中。

api dify java java-8 sdk

Last synced: 05 Oct 2025

https://github.com/zeel-codder/recursion-hub

Write a solution to any recursive problem in any language of your choice

c cpp css express go hacktoberfest html java js nodejs php python r typescript

Last synced: 07 Oct 2025

https://github.com/azimjohn/nupogodi

Nu Pogodi - Game Built with JavaFX

java javafx university-project

Last synced: 13 Oct 2025

https://github.com/jdmaturen/hive-hll

Hive UD{A,}Fs wrapping https://github.com/aggregateknowledge/java-hll

aggregateknowledge hive-hll hll java

Last synced: 12 Apr 2025

https://github.com/ibaigorordo/libusbandroidtest

Example of an Android app for testing libusb with Java and C++.

android cpp example java libusb ndk

Last synced: 14 Oct 2025

https://github.com/riccardobl/JCubemapAssembler

JCubemapAssembler is a java application that can be used to assemble six separate face images into a single cubemap and export it as a dds file.

cubemap dds java

Last synced: 19 Mar 2026

https://github.com/apache/directory-fortress-commander

Mirror of Apache Directory Fortress Commander

directory java network-client network-server

Last synced: 06 Sep 2025

https://github.com/liuyueyi/autormbg

auto remove image backgound service by SpringBoot3+ JDK17+ AI

ai image-to-image java jdk17 python remove-background rmbg springboot springboot3-x

Last synced: 24 Oct 2025

https://github.com/lefou/lambdatest

LambdaTest - Lambda-enabled functional testing API on top of JUnit and TestNG

functional-programming java java5 java8 junit junit5 specification testing testng

Last synced: 12 Mar 2026

https://github.com/wkrzywiec/nasa-picture

Single-page application which display NASA's Astronomy Picture of the Day

docker gradle java jsp spring-boot

Last synced: 09 Oct 2025

https://github.com/apache/cordova-registry-web

[DEPRECATED] Apache Cordova Registry Web

cordova cplusplus csharp java javascript library mobile nodejs objective-c

Last synced: 08 Oct 2025

https://github.com/vladimir-dejanovic/simple-springboot-graphql-mongo-conftalk-demo

This is code used as demo for conference talk GraphQL vs Traditional REST API

demo graphql graphql-api graphql-java graphql-server java mongodb

Last synced: 08 Oct 2025

https://github.com/leplusorg/ristretto

A small library of (hopefully) useful Java classes.

java java-library jdk uuid uuid-generator

Last synced: 14 Oct 2025

https://github.com/hardiksinghbehl/rsql-spring-boot

Representational State Transfer + Structured Query Language(RSQL): Demo application using RSQL parser to filter records based on provided condition(s)

harry-potter-api java rsql rsql-jpa-specification spring-boot

Last synced: 09 Apr 2025

https://github.com/gabrie-allaigre/sonar-gate-breaker

Verify Quality gate after SonarQube pass

breaker gitlab-ci java quality-gates sonar sonarqube

Last synced: 23 Jul 2025

https://github.com/matthijskamstra/haxesys

Documentation about using the system targets from Haxe

cpp cs csharp documentation example haxe java jvm lua node nodejs python tutorial tutorials

Last synced: 14 Apr 2025

https://github.com/rohatdgnr/patika.practical.backend

This repo contains all the backend projects I completed during bootcamp on the Patika.dev platform. Projects are organized weekly and each one is geared towards learning different technologies and practices.

java rest-api spring-boot sql swing

Last synced: 31 Aug 2025

https://github.com/pprattis/speedometer-with-gps-app

A Java Android application that simulates the functionality of a speedometer using GPS by measuring distance and time elapsed to find the speed and saves violations of max speed in SQLite.

android android-application android-studio application computer-science gps gps-location java program speedometer speedometer-android sqlite sqlite-android sqlite-database student

Last synced: 23 Jul 2025

https://github.com/oczi/margaret

My First project

java java-8 minecraft

Last synced: 13 Apr 2025

https://github.com/niuhuan/gbc-swing

Best game boy emulator in java. Compile to java1.6.

emulator gameboy gameboy-advance gameboy-color gameboy-emulator gba gbc java jvm simular

Last synced: 22 Apr 2025

https://github.com/esri/reverse-geocoder-for-geoevent

ArcGIS GeoEvent Server sample Reverse Geocoder Processor looks up the nearest street address using the GeoEvent's geometry and the ArcGIS Online World GeoCoding Service.

arcgis arcgis-geoevent-server geocoding geoevent java processor reverse server

Last synced: 28 Jun 2025

https://github.com/mxdldev/java-data-algorithm

数据是基础,算法是灵魂

algorithm android datastructures java

Last synced: 15 Jul 2025

https://github.com/kroxylicious/kroxylicious-junit5-extension

JUnit5 extension and helpers for writing tests parameterised over Kafka clusters

apache-kafka java junit5

Last synced: 18 Feb 2026

https://github.com/livotovlabs/androidapplicationskeleton

Android application template for both Java and Kotlin to bootstrap your next app quickly

android android-application androidstudio androidstudiotemplate gradle java kotlin kotlin-android productivity template

Last synced: 03 Feb 2026

https://github.com/lambdaurora/illuminated

Illuminate your world with a flashlight!

fabricmc flashlight java minecraft minecraft-mod

Last synced: 13 Apr 2025