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/safnaj/java-web-application

Web App for Online Games Selling Site using Java with JSP & Servlets. Also used HTML5, CSS3, Bootstrap and MySQL.

bootstrap css html5 java java8 jsp jsp-servlet mvc

Last synced: 12 Apr 2025

https://github.com/tuannh982/phantom

Simple, fast Key-Value storage. Inspired by HaloDB

database from-scratch hash-indexes java key-value key-value-database

Last synced: 11 Apr 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/luismr/kafka-springboot-blueprint

This project demonstrates three different Kafka delivery modes using Spring Boot:

java java-17 java17 juni5 junit mockito spring springboot

Last synced: 04 May 2026

https://github.com/mkyral/josm-tracer

A tracer plugin for josm

java josm-plugin lpis ruian

Last synced: 11 Mar 2026

https://github.com/hoangsonww/software-design-patterns

🎨 A comprehensive exploration of object-oriented design patterns, featuring fully implemented examples like inheritance, composition, observers, decorators, and factory methods. Built with Java to demonstrate their real-world applications in scalable and maintainable software design.

decorators design design-patterns exceptions factory-method-pattern factory-pattern inheritance iterator java maven model-view-controller multiton mvc-pattern object-oriented-programming observer observer-pattern oop singleton software-design

Last synced: 13 Jul 2025

https://github.com/line/clova-cek-sdk-java

SDK of the Clova CEK for Java

cek-sdk clova clova-extensions-kit java line

Last synced: 14 Jan 2026

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/sumonta056/sumonta056.github.io

New One : https://sumonta056.vercel.app/

css3 html5 java javascript portfolio-website

Last synced: 23 Apr 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/kevcodez/spring-boot-track-scheduled-tasks

Keep track of scheduled tasks and their timings and exceptions in a Spring Boot 2 project

java kotlin scheduler spring spring-aop spring-boot spring-scheduling

Last synced: 22 Apr 2025

https://github.com/sxtanna/korm

Kotlin Object-Relational Mapping

deserialization java korm kotlin language orm serialization

Last synced: 16 Mar 2025

https://github.com/han1396735592/common-rxtx

简单 串口操作、串口通信

java rxtx rxtxcomm serialport

Last synced: 28 Feb 2025

https://github.com/cmiles74/scraper

A simple web scraper built around the JavaFX WebEngine

clojure java javafx javascript scraper

Last synced: 11 Mar 2026

https://github.com/terroo/spaceship

A basic game made with Java and LibGDX

java libgdx

Last synced: 23 Apr 2025

https://github.com/jeffreyning/nhversion

NHVersion for version your api

api java version-control version-manager

Last synced: 27 Apr 2025

https://github.com/danny02/graalvm-docker

Simple Docker Image for trying out GraalVM

docker-image graalvm java

Last synced: 24 Apr 2025

https://github.com/jackblackevo/cors-jsonp-sample

Client-Side & Server-Side (Java) sample for Cross-Origin Resource Sharing (CORS).

ajax cors cross-origin-resource-sharing java javascript jsonp

Last synced: 09 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/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/corbado/example-passkeys-java-spring-boot

Java Spring Boot repository of a sample app that offers passkey authentication.

faceid fido2 java java-spring passkey passkeys spring spring-boot touchid webauthn

Last synced: 17 Jul 2025

https://github.com/ev3dev-lang-java/template-project-gradle

A ready to use ev3dev-lang-java project to help users with the task to begin a new project with Gradle from Scratch

ev3dev ev3dev-lang-java gradle java robotics

Last synced: 21 Jun 2025

https://github.com/build-on-aws/java-fm-playground

Explore how you can use Amazon Bedrock with Java in a dynamic environment! It includes a Spring Boot app and a Next.js frontend, perfect for learning and experimentation with generative AI on AWS.

amazon-bedrock aws bedrock generative-ai generative-art image-generation java large-language-models llm nextjs sample-app spring-boot web-development

Last synced: 20 Jun 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/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/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/hugmanrique/cellarium

:file_folder: A typesafe heterogeneous container API

java map

Last synced: 16 Mar 2025

https://github.com/theanasuddin/stationary-shop-management

A small project on OOP from the book Object Oriented Programming by Zohirul Alam Tiemoon written in Java. Swing GUI widget toolkit API is used to design the graphical user interface. Executable Java ARchive file is available to download. Download JAR: https://cutt.ly/rmkKuOs

java java-gui-application java-swing management-system object-oriented-programming oop oops oops-in-java stationary-management swing-api zohirul-alam-tiemoon

Last synced: 28 Apr 2025

https://github.com/dbeaver/dbeaver-common

Common utils and dependencies for all DBeaver projects

database dbeaver java tycho

Last synced: 24 Apr 2025

https://github.com/pknu-wap/medilenz

AI기반 의약품 검색, 의약 정보 공유 서비스 MediLenz

android-studio es6-javascript express-js java kotlin node-js

Last synced: 05 Jul 2025

https://github.com/ralscha/extclassgenerator

Ext JS code generator. Creating model js classes from java classes

annotation-processor extjs java

Last synced: 14 Jun 2025

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

Phase Two API Java SDK

alpha java sdk

Last synced: 14 Jan 2026

https://github.com/justdoom/better-messages

A Spigot plugin to add configurable messages!

better bukkit craftbukkit discord java message messages plugin spigot spigotmc

Last synced: 15 Jun 2025

https://github.com/guancecloud/datakit-android

Guance Cloud Android SDK

android datakit java

Last synced: 11 Apr 2025

https://github.com/krkarma777/online-store

SEED: An open-market platform built with JDK 17, Spring Boot, and Oracle DB, focusing on RESTful architecture and secure user experiences.

address-api chartjs ckeditor5 hibernate java javascript jpa jwt oauth2 online-shop oracle paypal restful-api shop spring-boot springsecurity6 thymeleaf

Last synced: 28 Oct 2025

https://github.com/jmix-framework/jmix-crm

CRM application based on Jmix framework

b2b crm java jmix sample

Last synced: 14 May 2026

https://github.com/stallion-x/hospital-queuing

医院排队叫号系统 大作业 A school assignment(experiment) for JSP, a simple hospital queuing Web system made by pure JSP,HTML,CSS,Javascript without any framework

css html java javascript jsp jsp-servlet mvc servlet servlet-mvc

Last synced: 30 Apr 2025

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

Mirror of Apache ServiceMix Documentation

java network-client network-server osgi scala servicemix xml

Last synced: 10 Apr 2025

https://github.com/lemon8866/StreamVault

支持多平台的视频下载,基于 Java 支持 Docker 快速部署

bilibili douyin java nfo video yt-dlp

Last synced: 04 May 2025

https://github.com/anuken/novi

A 2D multiplayer shooter.

game-2d java libgdx multiplatform multiplayer

Last synced: 01 May 2025

https://github.com/drako01/java-59570

Repositorio con todas las Actividades repasadas en Clase a lo largo del Curso

api-rest eclipse-ide java jpa-hibernate mysql spring-boot sql

Last synced: 03 May 2025

https://github.com/alxgcrz/_design-patterns_

Apuntes sobre patrones de diseño en el desarrollo de software

design-patterns java learning

Last synced: 03 Apr 2025

https://github.com/treblle/treblle-spring

The official Treblle SDK for Java. Seamlessly integrate Treblle to manage communication with your dashboard, send errors, and secure sensitive data.

api api-monitoring api-observability backend developer-tool java java-spring-sdk logging rest-api restful-api sdk sdk-java spring spring-backend treblle treblle-sdk

Last synced: 08 Jul 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/yedhink/ktu-java

Learn Java easily. A collection of simple programs primarily focusing on the KTU syllabus for Java

awt java javafx-application jdk9 ktu learn-java simple-programs swing-gui

Last synced: 10 Apr 2025

https://github.com/specs-feup/lara-framework

Tools and APIs to develop weavers for the LARA language (LARA Compiler, LARA Interpreter, Weaver Generator, etc...)

eclipse hacktoberfest java npm source-to-source

Last synced: 05 Sep 2025

https://github.com/niesfisch/tokenreplacer

Token Replacer is a simple and small Java Library that helps replacing tokens in strings. You can replace the tokens with static values or create values "on-the-fly" by calling a generator. You can even pass arguments to the generator which makes it pretty powerful.

generator java regex replacement tokenizer

Last synced: 10 Apr 2025

https://github.com/rohankanojia/sample-controller-java

Java Implementation of https://github.com/kubernetes/sample-controller using Fabric8 Kubernetes Client

controller fabric8 java kubernetes sample

Last synced: 30 Apr 2025

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/open-coap/kotlin-mbedtls

Kotlin wrapper of mbedtls also for java

cid dtls dtls12 iot java jvm kotlin mbedtls netty

Last synced: 06 Mar 2026

https://github.com/harshshah6/saavnmp3-android

A simple music player inspired by spotify and developed using the unofficial JioSaavn API. Has an lot of features like Search for an Artist, Song, Playlist, Albums. Not just search this app also provides you functionality to play the songs and view the artist info and much more.

android android-application android-music-player android-music-player-java java java-17 media-player music music-player simple-music-player song song-api song-player spotify spotify-api spotify-clone

Last synced: 01 Apr 2026

https://github.com/logzio/logzio-java-sender

Java library to send structured logs (JSONs) to Logz.io via HTTPS. This the core component of Logzio Appenders in the different logging frameworks (log4j, log4j2, Logback) which can also be used on its own

integration java log-shipper logzio

Last synced: 11 Oct 2025

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/moeraorg/moera-commons

Moera common classes, for issues use: https://github.com/MoeraOrg/moera-issues/issues

cryptography java library moera

Last synced: 16 Mar 2026

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

Apache Brooklyn Client

brooklyn cloud java

Last synced: 19 Oct 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/shubh2-0/runnable_vs._callable

This GitHub repository explores Runnable and Callable interfaces in Java. It provides examples and code implementations to demonstrate their usage in concurrent programming. Learn the differences and when to use each interface. Enhance your understanding of these Java interfaces.

callable interfaces java java-8 multi-threading runnable threading

Last synced: 24 Oct 2025

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

HMS search kit demo provides an example of integrating HUAWEI Search Kit with an app.This topic uses the search home page and search content details page as examples to describe how to use Search Kit functions and display data returned by interfaces.

android custom-search hms huawei java search searchkit spell-check

Last synced: 13 Oct 2025

https://github.com/mbarre/schemacrawler-additional-lints

Some additionnal lints for Schemacrawler

database java lints schemacrawler

Last synced: 27 Oct 2025

https://github.com/yihleego/mypages

📖 MyPages is a java based, open source pagination plugin for MyBatis that simplifies database paging queries. Many databases, one plugin.

antlr antlr4 database java mybatis mybatis-page mybatis-plugin mysql oracle page pageable pagination postgresql spring-boot sql

Last synced: 12 Apr 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/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/mohdali/arabic-phonetic-dictionary

Arabic Phonetic Dictionary Generator Tool for Automatic Speech Recognition Applications

java phonetic-dictionaries speech-recognition sphinx4-speech

Last synced: 11 Apr 2025

https://github.com/joselion/maybe

A monadic wrapper with a type-safe API to handle throwing operations in a functional way

error-handling exception-handling functional-java functional-programming hacktoberfest hacktoberfest2022 java maybe monad

Last synced: 20 Mar 2025

https://github.com/liangjfblue/autotestbluetooth

自动重连蓝牙,首次设置好命令后,以后自动重连后自动发送输入框的命令。用于自动测试设备蓝牙的连接性能

bluetooth java

Last synced: 06 May 2025

https://github.com/matcracker/pocketmine-managerservers

PocketMine-ManagerServers is a useful software that allow you to install and manage servers for PocketMine-MP! You can install servers MC:PE (v1.0.5), you can...

java mcpe-util pocketmine server-management

Last synced: 07 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/citymonstret/jenkins4j

Simple and effective Jenkins API wrapper written in Java

api java jenkins

Last synced: 06 Mar 2026

https://github.com/joseluisgs/programacion-alumnosclase

Ejemplo inicial de Programación Orientada a Objetos, con Java. Nuestra primeras clases, con usos, abusos, y algunos tests en 1DAM. Curso 2021-2022.

java junit5

Last synced: 29 Oct 2025

https://github.com/ashish2030/pacman-game

This is my famous packman Game

cmd fileinputstream java

Last synced: 11 Apr 2025

https://github.com/amrdeveloper/snapmacro

Free and Open source Cross-platform bot creator with a new scripting language called snap to interact with the mouse, keyboard, and screen using Snap scripting language

bot-creator hacktoberfest interpreter java javafx macro scripting-language snap snap-scripting-language

Last synced: 12 Apr 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: 03 May 2026

https://github.com/preemptive/r8-docs

The Unofficial Documentation for R8

android dasho java kotlin obfuscation proguard r8

Last synced: 28 Jan 2026

https://github.com/domstolene/da-otel-agent

This project delivers an OpenTelemetry Java Agent extension with a dynamically configurable sampler, along with the optional REST service for configuring it.

java observability opentelemetry otel trace

Last synced: 08 Apr 2026

https://github.com/ciscodevnet/webex-contact-center-dbconnector

The Webex Contact Center DB Connector project enables access to SQL data sources from Webex Contact Center flow designer.

angular java jdbc mssql-database mssql-server mysql mysql-database rest-api sql

Last synced: 08 Mar 2026

https://github.com/toolarium/common-build

The common-build project has the goal to simplify the development environment setup. It works for the main environment such as Linux, Windows and Mac. It can be used as a "transparent" wrapper of the most common build tools such as Gradle, Maven or Ant.

ant build common gradle java linux mac maven windows wrapper

Last synced: 18 Apr 2026

https://github.com/box-community/samples-docs-authenticate-with-jwt-api

Samples for the "Authenticate with JWT (API)" guide

box dotnet java jwt node python ruby samples

Last synced: 31 Oct 2025

https://github.com/stephengold/j-ogg-all

Open-source JVM libraries for reading Ogg bitstreams and decoding the media they contain.

audio codec decoder flac java jvm-library library mdct modified-discrete-cosine-transform ogg ogg-vorbis open-source streaming-audio vorbis

Last synced: 14 Apr 2025

https://github.com/geocine/sjremote

A remote control for SJCam on Android via wifi

android java record-video sjcam

Last synced: 19 Mar 2025

https://github.com/faritor/unmz-common-util

常用的Java工具类

common date devtools html image java json md5 util

Last synced: 12 Jan 2026

https://github.com/fadouse/antidump

JNI-AntiDump/Debugging

antidebug antidump antireverser java

Last synced: 14 Jun 2025