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/abranhe/allalgorithms-java

The All ▲lgorithms Java Library

algorithms allalgorithms java java-library javalibrary

Last synced: 23 Mar 2025

https://github.com/ashish2030/data-structures

This is my Data Structure code using Java Language

data-structures java problem-solving

Last synced: 11 Apr 2025

https://github.com/vojtechruz/vojtechruzicka-blog

Source code for blog vojtechruzicka.com

blog gatsby-blog giscus java javascript

Last synced: 30 Jun 2025

https://github.com/dwight-studio/jarmemu

Simple ARMv7 simulator written in Java, intended for educational purpose.

arm armv7 educational java portable simulator

Last synced: 16 Feb 2026

https://github.com/build-on-aws/amazon-bedrock-java-examples

Welcome to this repo where we'll continue adding hands-on examples demonstrating the use of the Java SDK for Amazon Bedrock.

amazon-bedrock aws aws-java-sdk-v2 generative-ai java

Last synced: 10 Apr 2025

https://github.com/teverett/osgi-example

A simple OSGI example

example felix java osgi

Last synced: 11 Apr 2025

https://github.com/lironmiz/leetcode

Designed to help people save the exercises I solved in java and track my progress and learning in algorithms, data structures, and programming math puzzles.

algorithms competitive-programming data-structures java leetcode-java leetcode-solutions math

Last synced: 03 Oct 2025

https://github.com/osandadeshan/maxsoft-intelliapi

First-ever code-free and lightweight cross platform API and database test automation tool.

gauge intelliapi java maven maxsoft rest-api rest-assured

Last synced: 06 May 2025

https://github.com/wandri/chat-spring-kafka-angular-react-vue

A live chat done with Angular, React, Vue and tested by Cypress

angular cypress github-actions java kafka mongodb react spring-boot typescript vuejs

Last synced: 29 Oct 2025

https://github.com/ev3dev-lang-java/openjdk-ev3

A custom Build of OpenJDK 9/10/11/12/13/14/15 for EV3, a Lego Mindstorms Brick using ARM Soft Float

adoptopenjdk cross-compiler ev3 ev3dev java java10 java11 java12 java13 java14 java15 java9 jvm lejos lejos-ev3 openjdk

Last synced: 10 Apr 2025

https://github.com/mohamed-taman/effective-java-se

Effective Java SE 9 through 19 APIs & Language features, make your life easier.

containers graalvm java java10 java11 java12 java13 java14 java15 jpms jshell jvm language-features

Last synced: 10 Apr 2025

https://github.com/anuken/novi

A 2D multiplayer shooter.

game-2d java libgdx multiplatform multiplayer

Last synced: 01 May 2025

https://github.com/ashish2030/design-a-valet-parking-system-using-java

:octocat: 🌟ᴛʜɪꜱ ɪꜱ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ᴏꜰ ꜰᴀᴍᴏᴜꜱ ᴀᴍᴀᴢᴏɴ Qᴜᴇꜱᴛɪᴏɴ ꜰᴏʀ ꜱᴅᴇ1 ʀᴏʟᴇ ɪɴ ᴜꜱ ᴀɴᴅ ᴀʟꜱᴏ ᴀꜱᴋᴇᴅ ʙʏ ᴅɪʀᴇᴄᴛᴏʀ ᴏꜰ ᴡᴏʟʟꜰɪꜱʜ ᴘʀɪᴠᴀᴛᴇ ʟɪᴍɪᴛᴇᴅ 💻 🎯 🚀

12lpa 40k-stipend amazon-us java sde system-design-interview wollfish-private-limited

Last synced: 11 Apr 2025

https://github.com/goodforgod/bloxy-api

🔗 Kotlin/Java library for Bloxy.info API.

api api-wrapper bloxy bloxy-api bloxy-info bloxy-wrapper ethereum java kotlin

Last synced: 28 Oct 2025

https://github.com/nvuillam/njre

Easily install and use JRE from a Node application.

adoptopenjdk java javaw jdk jre openjdk

Last synced: 29 Jun 2026

https://github.com/oblac/jodd-json

JSON Java serializer and parser.

java jodd json

Last synced: 01 Aug 2025

https://github.com/orpolyzos/spring-web-initializr-plugin

Swip - Plugin for IntelliJ IDEA that can create a fully functional (Spring Boot) WebApp with just a few clicks

freemarker intellij java jetbrains plugin spring-boot

Last synced: 23 Sep 2025

https://github.com/acexy/java-toolkit

【Released】🛠Java常用的插件API整理以及基于JDK的一些方法封装库,能在不依赖大型框架下快速进行开发(亦可快速用于测试或者脚本类代码编写 - 含数据库相关)。

api java mongo mybatis plugins redis toolkit

Last synced: 29 Jul 2025

https://github.com/wobblyyyy/pathfinder2

Paths, trajectories, splines, the number 2, and a whole lot of swag.

challenge competition first frc ftc java library pathfinder robotics

Last synced: 23 Aug 2025

https://github.com/premium-minds/pm-wicket-utils

A library with Wicket Components, Behaviours and some other stuff.

java wicket

Last synced: 30 Jul 2025

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

A repository that contains examples for Spring HATEOAS Siren to showcase how to use the features provided by the library.

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

Last synced: 07 Aug 2025

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

The official Reloadly SDK for Java.

airtime java reloadly reloadly-sdk sdk telecommunications topup

Last synced: 21 Sep 2025

https://github.com/qiscus/qiscus-chat-sdk-android-sample

Sample User Interface for Qiscus Chat SDK Android

android api chat chat-sdk java message real-time sample

Last synced: 01 Aug 2025

https://github.com/common-workflow-language/cwljava

Java SDK for the Common Workflow Language standards

commonwl cwl java

Last synced: 19 Aug 2025

https://github.com/kakarottocui/springbootvuesecondshop

基于java SpringBoot和Vue校园二手交易商城

java mysql springboot vue

Last synced: 28 Jul 2025

https://github.com/pangeacyber/pangea-java

Official Pangea Java Monorepo

java pangea sdk

Last synced: 04 Oct 2025

https://github.com/tkuenneth/nativeparameterstoreaccess

A small Java library to access the Windows registry, Linux dconf and macOS defaults

java kotlin library linux macos windows

Last synced: 14 Apr 2025

https://github.com/botblock/javabotblockapi

Java Wrapper for the BotBlock API [Java - maintained by @Andre601]

botblock discord discord-api hacktoberfest java

Last synced: 12 Jul 2025

https://github.com/robertograham/fortnite-2

Java 11+ client for the APIs used by Epic Games Launcher and the Fortnite client

api api-client client epic-games fortnite fortnite-api java stats

Last synced: 09 Mar 2026

https://github.com/masterfermin02/coronavirusrd

Web app to show information about the current cases of COVID 19 in Dominican Republic

coronavirus coronavirus-real-time coronavirus-tracker coronavirus-tracking covid-19 covid19 css html java shell vue

Last synced: 05 Oct 2025

https://github.com/litongjava/whisper.cpp.android.java.demo

A sample Android app using java code and whisper.cpp library to do voice-to-text transcriptions.

andoird cpp java whisper-cpp

Last synced: 23 Aug 2025

https://github.com/gstreamer-java/gst1-java-fx

OpenJFX integration for GStreamer and gst1-java-core

gstreamer java javafx

Last synced: 01 Sep 2025

https://github.com/fishercoder1534/ctci

Java solutions to Cracking the Coding Interviews

ctci interviews java

Last synced: 15 May 2025

https://github.com/loohp/holomobhealth

Display Mob Health above head through packets!

java minecraft papermc spigot-plugin spigotmc

Last synced: 07 Sep 2025

https://github.com/software-challenge/backend

Server, Client und Spiel-Plugins der Software-Challenge Germany

java jvm kotlin server software-challenge xstream

Last synced: 10 Apr 2026

https://github.com/comidan/heartbeatprotocol

Heartbeat protocol written in Java, working over UDP

heartbeat-protocol java network udp

Last synced: 14 Apr 2025

https://github.com/apache/geronimo-txmanager

Mirror of Apache Geronimo txmanager

geronimo http java javaee network-server web-framework

Last synced: 10 Apr 2025

https://github.com/prat-man/unique4j

Java library to allow only single instance of a java application to run and enable communication between first instance and subsequent instances

java lock single-instance single-instance-app socket sockets

Last synced: 10 Apr 2025

https://github.com/vorlonsoft/easydokkaplugin

Gradle Script plugin to generate documentation by Dokka documentation engine in Javadoc or other formats for Java, Kotlin, Android and non-Android projects. It's very easy, you don't need to add to dependencies section additional classpath or think about compatibility issues, you don't need additional repositories also.

android dokka gradle gradle-android-plugin gradle-plugin gradle-task java javadoc javadoc-documentation javadocs kotlin

Last synced: 23 Apr 2025

https://github.com/hongzhaohua/jstarcraft-dip

专注于解决数字图像处理领域的几个核心问题:图像转换,图像相似度,目标定位,目标检测,图像分割,图像聚类和图像分类. 为相关领域的研发人员提供完整的通用设计与参考实现. 涵盖了多种数字图像处理,计算机视觉,计算机图形算法.

cg cv dip java

Last synced: 09 Oct 2025

https://github.com/uPortal-Project/CalendarPortlet

JSR-168 portlet implementing calendar viewing in uPortal.

hacktoberfest java portal portlet uportal uportal-start-bundled

Last synced: 11 Mar 2025

https://github.com/manoelcampos/sistemas-distribuidos

E-Book e projetos de sistemas distribuídos 🖥🕸

distributed-systems ejb java javascript nodejs rest soap socket websocket

Last synced: 12 Mar 2026

https://github.com/danny02/jopenctm

Java implementation of the openCTM Mesh compression file format

3d-models compression format java openctm opengl

Last synced: 05 Jul 2025

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

Apache Sling OSGi Feature Model

java osgi osgi-feature-model sling

Last synced: 23 Feb 2026

https://github.com/jaredkoontz/geohashesinpolygon

:small_red_triangle: :small_blue_diamond: Find all the geohashes in a polygon. Implemented in Java

geohash-tiles geohashes java polygon

Last synced: 10 Oct 2025

https://github.com/rongfengliang/ows-project

office web app server 文档预览部署&&wopi 集成

java officeonline wopi

Last synced: 30 Apr 2025

https://github.com/guillaumefalourd/java-trilha-basica

Trilha de introdução ao uso de Java no Back-End 📚☕️🇧🇷

back-end challenges java learning mentoring spring-boot

Last synced: 23 Mar 2025

https://github.com/mindula-dilthushan/layered-architecture-theory-example

Layered Architecture Theory Example Project.

java java-8 layerd-architecture

Last synced: 16 Apr 2025

https://github.com/ovirt/java-client-kubevirt

Kubevirt java client (java-client-kubevirt) for oVirt

java kubevirt ovirt

Last synced: 15 May 2025

https://github.com/naoghuman/app-yin-yang

The app Yin-Yang is a little JavaFX application which demonstrate some nice JavaFX features like borderless application, multilingualism, animations aso..

java java-8 javafx javafx-application maven multilingual netbeans netbeans-ide yinyang

Last synced: 18 Apr 2025

https://github.com/ryanpcmcquen/propertiestojson

Convert Java .properties files to JSON (using JavaScript).

hacktoberfest java javascript json

Last synced: 03 Aug 2025

https://github.com/yugabytedb-samples/openai-pgvector-lodging-service

A lodging recommendation service for properties in San Francisco, powered by OpenAI and the PostgreSQL pgvector extension.

java nodejs openai openai-api pgvector postgresql react yugabytedb

Last synced: 15 May 2025

https://github.com/tap30/hiss

A simple Java/Kotlin field-level encryption library.

encryption java kotlin

Last synced: 15 Apr 2025

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

New Kubernetes Operator for easy setup and management of Microcks entities

java kubernetes kubernetes-operator microcks operator

Last synced: 09 Apr 2026

https://github.com/adichat/highway

:airplane:~:roller_coaster:A Java game to drive your truck against other 2 trucks throughout the highway and compete to stay on the top of the leaderboard

endless-game highway java java-game leaderboard truck

Last synced: 22 Jun 2025

https://github.com/objectionary/eo-files

Input/Output and File System Objects for EO Programming Laguage

eolang java

Last synced: 14 Jan 2026

https://github.com/YangDai2003/CopilotOCR-Android

Fast OCR, multi-language support, sleek design. Scan, edit, and share text effortlessly. Smart barcode and QR code scanning.

android android-ocr-application java ocr ocr-android ocr-text-reader

Last synced: 20 Apr 2025

https://github.com/p2-inc/phasetwo-java

Phase Two API Java SDK

alpha java sdk

Last synced: 14 Jan 2026

https://github.com/pulumi-zephyr/zephyr-app

The application used in the Zephyr series of blog posts

golang java kubernetes pulumi typescript

Last synced: 20 Apr 2025

https://github.com/qs-lll/android-ipfs-api

A Android implementation of the HTTP IPFS API

android api ipfs java local node

Last synced: 13 Apr 2025

https://github.com/taxjar/taxjar-java

Sales Tax API Client for Java

ecommerce java sales-tax sales-tax-api taxjar

Last synced: 14 Apr 2025

https://github.com/bzdgn/apache-fop-example

Basic apache fop example to generate PDF file

apache-fop fop java pdf

Last synced: 11 Apr 2025

https://github.com/opentracing-contrib/java-mongo-driver

OpenTracing Instrumentation for Mongo Driver

java mongo-driver opentracing

Last synced: 09 Jul 2025

https://github.com/IanDarwin/date4j

Code for date4j.net's simple date API, with a POM file, for upload to Maven Central.

date-calculations date-formatting date-time java

Last synced: 12 Jul 2025

https://github.com/derklaro/aerogel

A very lightweight jvm dependency injection library

dependency-injection di hacktoberfest java

Last synced: 04 Sep 2025

https://github.com/milpol/gorilla4j

Implementation of time series compression method based on the Facebook Gorilla paper

gorilla java timeseries timeseries-data

Last synced: 14 Jan 2026

https://github.com/pigfly/rmit_algorithm_analysis

Central Repo For RMIT Algorithm Analysis Program

algorithms data-structures java rmit swift

Last synced: 09 Apr 2025

https://github.com/4drian3d/jdwebhooks

A Java library to send Discord WebHooks easily

discord java java-17

Last synced: 05 May 2025

https://github.com/assaabloy-ppi/salt-channel

The specification and the reference implementation of Salt Channel - a simple, light-weight secure channel protocol based on TweetNaCl by Bernstein.

java protocol salt-channel tweetnacl

Last synced: 06 Jan 2026

https://github.com/theseems/clinq

Experimental validation mini-framework

declarative java token validation

Last synced: 13 Apr 2025

https://github.com/yihleego/tlv

📦 A TLV (type-length-value or tag-length-value) tool for Java. TLV is an encoding scheme used for optional information element in a certain protocol.

java tag-length-value tlv type-length-value

Last synced: 15 Jul 2025

https://github.com/VLSMB/ecommerce

简易版抖音电商

backend java mybatis redis springboot

Last synced: 17 Jan 2026

https://github.com/dawidolko/algorithms-data-structures

Tasks studies - laboratory

data java labs structures works

Last synced: 06 Apr 2025

https://github.com/secure-software-engineering/authcheck

Analysis for access-control vulnerabilities in Java Spring Security applications.

access-control authentication authorization java security soot springframework

Last synced: 10 Apr 2025

https://github.com/rahmanusta/java15-edu

Java 14 Features

java java-14

Last synced: 13 Apr 2025

https://github.com/jeeshell/je2sh

JVM Extensible & Embeddable Shell

java jcommander jline kotlin shell spring-boot ssh

Last synced: 11 Jan 2026

https://github.com/anyrtc/arandroidsdk

anyRTC Android RTC SDK, 适用场景包括音视频互动、视频直播、音频直播、互动连麦、视频会议、一对一、一对多等。

anyrtc java kotiln rtc rtmp webrtc

Last synced: 21 Jul 2025

https://github.com/codeclou/java-junit-xml-merger

Merges multiple JUnit XML files into a single testsuites XML file.

java junit junit-format junit-report junit-xml merger

Last synced: 29 Aug 2025

https://github.com/prasoonsoni/wss-wannasaysomething

It’s a fresh take on anonymity. We believe anonymity should be a fun yet safe place to express your feelings and opinions without shame. Young people don’t have a space to share their feelings without judgement from friends or societal pressures. WSS provides this safe space for teens.

android-studio anonymous-message application expressjs java javascript mongodb nodejs portfolio reactjs website

Last synced: 13 Apr 2025

https://github.com/openminetopia/openminetopia

OpenMinetopia is een Minetopia Plugin gemaakt door en voor de community.

bukkit ddg dusdavidgames java minecraft minetopia minetopiasdb openminetopia paper papermc purpur purpurmc spigot spigotmc

Last synced: 07 Mar 2026

https://github.com/osandadeshan/selenium-testng-page-factory-extended

This is a sample project to demonstrate high readable test automation implementation with Selenium + Page Factory and Fluent Interface Design Patterns + TestNG + Java.

automation automation-framework automation-ui fluent-interface java page-factory selenium selenium-java selenium-webdriver testng

Last synced: 06 May 2025

https://github.com/shaishavgandhi/navigator

Annotation processor that eliminates navigation and Bundle boilerplate

activity android annotation-processor boilerplate bundle fragments java navigation

Last synced: 13 Apr 2025

https://github.com/goodforgod/dummymaker

🧰 Generates random Java Classes/Records for you.

bean data dto dummy easy-random entities export factory fill generate java pojo random random-generation record

Last synced: 20 Mar 2025

https://github.com/fadouse/antidump

JNI-AntiDump/Debugging

antidebug antidump antireverser java

Last synced: 14 Jun 2025

https://github.com/crykn/guacamole

A small collection of utilities for libGDX games.

java libgdx utilities

Last synced: 22 Mar 2025