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/bennidi/blox

Event-based CSV parsing. Supports multiple data blocks with different formats in same file

csv-files csv-parser csv-reader java

Last synced: 04 Aug 2025

https://github.com/mukeshlilawat1/simplewebcalculator

A simple and responsive web-based calculator built using HTML, Bootstrap, and Java Servlets. Supports basic and advanced arithmetic operations.

bootstrap css hml5 java servlet

Last synced: 04 Oct 2025

https://github.com/givimad/rustpotter-java

Java wrapper for Rustpotter (an open source wakeword spotter forged in rust)

java spotter wakeword wakeword-activation

Last synced: 14 Apr 2025

https://github.com/mmontes11/geotourism_server

Tourism interest points and routes management platform

java

Last synced: 23 Mar 2025

https://github.com/oEnzoRibas/DSAI

Java Exercises for Algorithms and Data Structure I

algorithms-and-data-structures backend computer computer-science intellij java

Last synced: 29 Aug 2025

https://github.com/deepakbaligar-83/bhoomi

Bhoomi is a platform offering crop and fertilizer recommendations, climate insights, and second market information to help farmers make data-driven decisions for better agricultural outcomes.

bhoomi climate croprecommendations css farmer farmer-app farmer-react-app farmer-website farmers-markets farming fertilizer-recommendation html java javascipt javascript react redux sass secondhand-market spring-boot

Last synced: 14 Apr 2025

https://github.com/is0xjh25/comp30022-it-project-backend

This is the backend repository of ConnecTi which is a personal CRM application. To achieve separation of frontend and backend, ConnecTi uses two repositories to maintain the application.

database java sprintboot

Last synced: 26 Aug 2025

https://github.com/gruveo/sdk-examples-android-java

A sample app showing the usage of the Gruveo SDK for Android.

android android-sdk java sdk video-chat video-conferencing voice-chat webrtc

Last synced: 25 May 2026

https://github.com/leventov/trove-over-koloboke-compile

Drop-in replacement of Trove via Koloboke Compile (proof of concept)

collections high-performance java java-collections koloboke trove

Last synced: 15 Apr 2025

https://github.com/anicetkeric/spring-boot-telosys-template

Sample Spring boot architecture generator with telosys

codegeneration codegenerator java postgresql rest-api spring spring-boot telosys

Last synced: 13 Apr 2025

https://github.com/jshiftio/odo-java

A Java wrapper for Openshift Do https://github.com/openshift/odo

java maven openshift

Last synced: 12 Jul 2025

https://github.com/bardframework/jalali-date

Jalali (Shamsi) calenadar implementation in java for parsing, validating, manipulating, converting and formatting persian dates (like java 8 LocalDate(Time))

jalali jalali-calendar jalali-datetime jalalidate java shamsi

Last synced: 14 Jan 2026

https://github.com/andriykalashnykov/docker-ubuntu

Docker based Ubuntu development environment (go and java)

buildkit docker-cache docker-image dockerfile go golang gradle java makefile maven sdkman ubuntu

Last synced: 22 Apr 2025

https://github.com/arxila/javatuples

A complete implementation of tuple data structures for Java.

data-structures java tuples

Last synced: 14 Jan 2026

https://github.com/aswinbarath/recursion

Problems based on the Recursion (Algorithm paradigm) concept

java problem-solving recursion

Last synced: 08 Apr 2025

https://github.com/danielmartensson/camera-reporter

Camera reporter with mail feature. This project uses the Darknet library for identify objects. It also uses Spring Boot to handle the web service and mail

darknet java yolo

Last synced: 28 Feb 2025

https://github.com/studio42gmbh/log42

Simple, secure and fast logging for Java

ansi java logging profiling

Last synced: 04 Feb 2026

https://github.com/aowubulao/neo-mail

一个简单的Java mail 邮件库,支持抄送、密送、Html邮件等功能

java mail

Last synced: 14 Jan 2026

https://github.com/ronoaldo/expandeditems

Minecraft Datapack with new items and recipes. Designed for Java with Geyser support for Bedrock crossplay

bedrock java minecraft minecraft-datapack

Last synced: 12 Jun 2025

https://github.com/windingmotor/swervedrive2025

FRC Robot code for team 2106, 2025 season. Features full swerve drive support with Advantage Kit logging and YAGSL. Extensive simulation capabilities with PathPlanner and PhotonVision.

autonomous first-robotics-competition frc frc-java frc-robot frcjava java pathplanner swerve swerve-drive

Last synced: 28 Oct 2025

https://github.com/angelless/serverbot

MCPE server(client) -> telegramBot(Node.js : server) UDP

java minecraft-plugin node nodejs telegram-bot

Last synced: 24 Apr 2025

https://github.com/anilerc/saga-choreography-hexagonal-architecture

Full implementation of choreography-based SAGA pattern following Hexagonal Architecture to handle distributed transactions involving different microservices. Powered by Java/Spring & Apache Kafka.

hexagonal-architecture java kafka microservices ports-and-adapters spring-boot

Last synced: 04 Jul 2025

https://github.com/artus/oca_se_8_exercises

Exercises that help you get ready for the OCA SE 8 exam.

certification certification-prep java java-8 java8 oca

Last synced: 10 Sep 2025

https://github.com/viktor44/zabbix-java-agent

Active Zabbix agent for Java applications

active docker java jmx kubernetes openshift zabbix-agent

Last synced: 15 Apr 2025

https://github.com/kasukusakura/jvmhookframework

[WIP] Framework for jvm hooking

framework hook hooks-api java jvm

Last synced: 26 Apr 2025

https://github.com/neeballearningpvtltd/excel-to-pojo

This utility is used for parsing excel sheets data into java object used for Inventory Management System

apache apache-poi converter excel excelreader java mapper poi pojo

Last synced: 26 Apr 2025

https://github.com/mugilan-codes/data-structures_and_algorithms

Implementation of Data Structures and Algorithms using Java, Python, and JavaScript

algorithm algorithms clean-code cmake data-structures dsa intellij interview-questions java javascript makefile poetry python vscode

Last synced: 18 Mar 2025

https://github.com/enaium/practice-faka

一个用SpringCloud+Vue实现的发卡平台

element-plus java jimmer mysql rabbitmq springboot springcloud store typescript vue

Last synced: 18 Aug 2025

https://github.com/rohit-nandagawali/html-chat-application-using-java

The HTML Chat Application is a real-time chat platform that supports basic HTML tags and allows users to communicate with their friends while experimenting and learning HTML. This application provides an interactive and educational chatting experience, making it ideal for beginners interested in HTML.

advancejava awt chatting-app gui java javaawt javachat network-programming socketprogramming swing

Last synced: 28 Feb 2025

https://github.com/osiegmar/billomat4j

Java Software Development Kit for the billomat[API]

billomat development-kit java

Last synced: 14 Jan 2026

https://github.com/apache/sling-org-apache-sling-distribution-core

Apache Sling Distribution Core

java sling

Last synced: 13 Apr 2025

https://github.com/infobip/infobip-typescript-generator-extension

Library which provides new features on top of TypeScript Generator.

bean-validation class-transformer class-validator java typescript typescript-generator

Last synced: 23 Apr 2025

https://github.com/kakwa/talend-codegen

Command line code generation (job export) plugin for talend

crap java talend

Last synced: 29 Jul 2025

https://github.com/saasquatch/squatch-android

Official Android SDK for SaaSquatch. REST API wrapper and widgets in Android WebViews

android android-webview java jitpack reactive-streams rxjava saasquatch-java-sdk sdk webview

Last synced: 23 Apr 2025

https://github.com/gustavoestevesr/send-email-service-rabbitmq

Microservice para envio de email via protocolo SMTP do Gmail com integração do CloudAMQP e o servidor de mensageria RabbitMQ.

cloudamqp java java-mail-sender jpa-hibernate lombok postgresql rabbitmq spring-boot spring-devtools validation

Last synced: 06 Jul 2025

https://github.com/varunu28/prefix-autocomplete

A command line autocomplete suggestion application using Java

autocomplete java tries

Last synced: 06 Sep 2025

https://github.com/t5750/websites

:dog: Useful Websites & Repositories

java jfreechart netty qrcode seckill

Last synced: 18 Apr 2026

https://github.com/gabrielduete/ifce-poo

Exercícios de POO concluídos em Java durante as disciplinas de programação orientada a objetos I e II.

java poo

Last synced: 06 Jul 2025

https://github.com/kidsoncoffee/cheesecakes

Cheesecakes is a data-driven testing framework built on top of Junit

behavior-driven-development data-driven-tests java junit test

Last synced: 14 Jan 2026

https://github.com/corbella83/kotliny.network

Kotliny Network is a simple, powerful and lightweight Kotlin Multiplatform Network Client.

android java kotlin multiplatform network okhttp

Last synced: 02 Apr 2025

https://github.com/wesleyone/qy-weixin-robot-spring-boot-starter

可靠方便的企业微信群机器人组件方案

java qi-ye-wei-xin robot spring-boot springboot weixin

Last synced: 23 Apr 2025

https://github.com/BlueAmulet/OCLights2

A minecraft mod that makes pixel manipulation in OpenComputers possible!

java minecraft minecraft-forge minecraft-forge-mod minecraft-mod opencomputers

Last synced: 11 Mar 2025

https://github.com/cleilsonandrade/game-list-api

Game List API é uma API com a proposta de que se possa gerenciar listas de jogos previamente cadastrados. Utilizando os recursos do framework Spring para web do Java em conjunto com outras ferramentas como: Spring Web, Spring Data JPA e banco de dados como MySQL e H2 Database, nos quais são utilizados para ambientes de desenvolvimentos específicos.

api backend cors domain-model games h2-database hibernate java jpa list-game mysql spring sql

Last synced: 23 Apr 2025

https://github.com/mrbysco/flatterentities

Making entities flat since 2021

forge-mod java minecraft minecraft-forge

Last synced: 12 Jun 2025

https://github.com/keyruu/nexcalimat

🍾 Next-Gen excalimat. The best system for buying drinks at your company.

java javascript quarkus svelte typescript

Last synced: 01 Apr 2025

https://github.com/hcoona/native-named-mutex

Cross platform named mutex which provide a system-wide mutex synchronization primitive

java java-library mutex synchronization

Last synced: 14 Jan 2026

https://github.com/khairul25556/product-card

Product Card is a simple and responsive UI component that displays product details, including an image, title, price, and a buy button. Built with HTML, CSS, and JavaScript, it enhances e-commerce designs with a clean and modern look.

css html java product-design web-development

Last synced: 28 Apr 2026

https://github.com/drako01/java__62940

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

api-rest eclipse-ide java jdbc jpa-hibernate maven spring-boot sql

Last synced: 13 Jul 2025

https://github.com/ianrae/dnal-lang

DNAL language

data java

Last synced: 14 Jan 2026

https://github.com/dhan-profile/leetcode-programming

This repository contains my solutions to various programming problems from LeetCode. LeetCode is a platform that offers a vast collection of algorithmic and data structure problems to help you enhance your coding skills.

coding-challenge java problem-solving

Last synced: 27 May 2026

https://github.com/mtmzakir/transgas-androidapp

Gas Order Mobile App

android androidstudio java

Last synced: 14 Apr 2025

https://github.com/paulovap/qmljava

QML Engine written in pure java

android java qml

Last synced: 13 Jul 2025

https://github.com/saharnooby/random-box

A Minecraft (Bukkit) plugin adding lootboxes

bukkit java lootbox minecraft plugin spigot

Last synced: 25 Mar 2025

https://github.com/ggrandes/memoizer

Agnostic Cache in Java. If you call the function again with the same arguments, memoize return value out from cache, instead of compute again.

cache java memoize

Last synced: 14 Jan 2026

https://github.com/khmarbaise/uptodate-maven-plugin

uptodate-maven-plugin

java maven maven-plugin

Last synced: 09 Apr 2025

https://github.com/lumio-medical/lumio-flow

A library enabling DAG structuring of data processing programs such as ETLs

dag etl-pipeline java workflow workflow-engine

Last synced: 14 Jan 2026

https://github.com/emirhandogandemir/bookstore

This is backend of book store project. I was developing during summer holiday

aop java mapstruct redis-cache rules-engine spring-data-jpa spring-security springboot springframework

Last synced: 24 Apr 2025

https://github.com/flexycode/ccprgg2l_intermediate_programming

This repository is intended for CCPRGG2L_INTERMEDIATE COM23P Professor Jay Abaleta

array array-manipulations array-methods java oop oop-principles oops-in-java polymorphism

Last synced: 14 Apr 2025

https://github.com/vaibhavpandeyvpz/jexy

Jexy is a Java library to make executing external process (and optionally read error/output streams) a breeze with a very easy to use API.

cli console java process runtime

Last synced: 24 Apr 2025

https://github.com/yjham2002/richgbot

:book: Probabilistic model and Deep Learning based Korean NLP Engine

chatbot corpus deep-learning java korean machine-learning morpheme-analyzer nlp nlp-machine-learning nlu

Last synced: 10 Jan 2026

https://github.com/theayushmajumdar/banking-app

This Spring Boot application serves as a REST API for a banking system. It allows users to manage accounts, transactions, users, perform financial operations such as depositing and withdrawing money , and also delete account.

java maven mysql postman rest-api springboot

Last synced: 24 Apr 2025

https://github.com/iamyunusali/quizzler

a web project implementation of a quiz application using vanilla javascript.

css html java quizzler

Last synced: 24 Apr 2025

https://github.com/netodevel/riley

Criando um framework para fins de aprendizado

fast framework-java java tiny

Last synced: 13 Apr 2025

https://github.com/iamsatyamyadav/cab-booking-application-api

This project is an online cab booking system, designed to make it easier for customers to book a cab, as well as for drivers to manage their trips.

java jpa-hibernate maven mysql-database spring spring-boot swagger-ui

Last synced: 24 Jun 2025

https://github.com/mirabellierr/princess-lovely

Princess Lovely, is a simple Discord bot written in Java with a command and event handler to make the project more organized.

discord-bot java jda-bot

Last synced: 06 Apr 2025

https://github.com/tinylog-org/tinylog-android-example

Example Android app for demonstrating logging with tinylog

android java tinylog

Last synced: 25 Jun 2025

https://github.com/muhrifqii/llm-ollama-java-spring-ai

Samples showing a Java Spring Backend Application powered by Ollama's Generative AI and LLMs using Spring AI

ai chat-ai java large-language-models llm llm-application ollama-app r2dbc retrieval-augmented-generation spring-boot webflux

Last synced: 25 Aug 2025

https://github.com/hynduf/dictionary

Java En-Vi Dictionary application for 2122H_INT2204_40 OOP

dictionary english java mysql vietnamese

Last synced: 13 Apr 2025

https://github.com/iwilkey/designa

An open-source sandbox tower defense game written in Java.

designa desktop game java mobile-game multiplatform rts sandbox-game tower-defense

Last synced: 11 Mar 2025

https://github.com/stuntguy3000/lifx-lan-sdk

A high performance complete feature-parity Java SDK for controlling all LIFX Devices through the LIFX LAN API.

java lifx lifx-api lifx-java lifx-java-api lifx-lan lifx-lan-protocol lifx-lan-protocol-java lifx-lan-sdk lifx-sdk sdk

Last synced: 14 Apr 2025

https://github.com/nkg447/alfred

CLI Tool for competitive programmers.

cli java jcommander

Last synced: 11 Sep 2025

https://github.com/helloimkevo/groovypaymentapp-senior

This is an Interviewing Point-of-Sale App intended for Senior Android Developer candidates. There are Android and iOS variants of this mobile payment App in the respective project directories. This application may include intentional compiler errors out-of-the box, and some of the features and screens described below are currently not implemented.

android android-application java stripe-payments

Last synced: 13 Apr 2025

https://github.com/apache/maven-verifier

Apache Maven Verifier

build-management java maven maven-shared

Last synced: 05 Apr 2025

https://github.com/clojure-lsp/jdk-source

JDK source classes to be downloaded by clojure-lsp for java interop

clojure clojure-lsp java lsp

Last synced: 25 Jun 2025

https://github.com/roimenashe/aerospike-search

In-memory embedded full-text & vector search for Aerospike, powered by Apache Lucene

aerospike database full-text-search hybrid-search java lucene search search-engine vector

Last synced: 19 Apr 2026

https://github.com/thomasleplus/xee

Demo project to test XEE prevention API in Java Xerces.

java maven

Last synced: 14 Apr 2025

https://github.com/dtinth/tos3

An extremely simple tool to sync local files to Amazon S3.

amazon-s3 java

Last synced: 15 Jul 2025

https://github.com/timyates/spock-ignoreuntil

Adds an annotation to Spock tests to ignore a feature or specification until a given date up to 30 days in the future.

codenarc groovy ignore java jvm spock testing

Last synced: 31 Oct 2025

https://github.com/ilambrev/softuni_java_learning_program

Java Web Developer - SoftUni Software Engineering Program

java spring-boot sql

Last synced: 15 Jun 2025

https://github.com/riege/one-record-ontologymodel

Java POJO classes for IATA ONE Record (Ontology 2.0 and 1.1)

java library onerecord

Last synced: 29 Mar 2025

https://github.com/orangomango/snake

Snake game (Bot included) using the Hamiltonian cycle and some pathfinding algorithms.

ai java javafx snake webfx

Last synced: 07 Mar 2026

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

Fax send and receive in Java with the InterFAX REST API

fax fax-image hipaa inbound interfax interfax-api java library online-fax outbound receive sdk send

Last synced: 12 May 2025

https://github.com/dernasherbrezon/mockfs

Java FileSystem for simulating IOExceptions

filesystem java jdk7 junit mock unit-testing

Last synced: 11 Apr 2025

https://github.com/auties00/linkpreview

Generate a preview for a link or for a text containing links

extract java link link-preview preview

Last synced: 15 Apr 2025