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/compdfkit/compdfkit-api-java

A Java component library for integrating with ComPDFKit API to build a PDF Viewer and Editor.

api compdfkit-api java pdf pdf-converter pdf-document pdf-editor pdf-viewer

Last synced: 30 Apr 2025

https://github.com/ivangfr/axon-springboot-websocket

The goal is to explore Axon. We will develop a food-ordering app comprising 3 Spring Boot applications: customer-service, restaurant-service, and food-ordering-service. These services are implemented with CQRS and Event Sourcing, utilizing the Axon Framework. They connect to axon-server, which serves as the Event Store and Message Routing solution.

axon axon-server cqrs docker event-sourcing java jib mongodb mysql postresql semantic-ui spring-boot spring-data-jpa spring-web-mvc springdoc-openapi thymeleaf websocket

Last synced: 10 Apr 2025

https://github.com/subins2000/manglish

A malayalam to manglish converter Android app

android foss java malayalam manglish

Last synced: 05 May 2025

https://github.com/gotson/nightmonkeys

Additional plug-ins and extensions for Java's ImageIO using native libraries

imageio java java-imageio java19 jpeg-xl jxl plugins webp

Last synced: 24 Mar 2025

https://github.com/ortus-boxlang/BoxLang

Welcome to BoxLang: A Modern Dynamic JVM Language

boxlang dynamic-programming invokedynamic java jsr-223 languages

Last synced: 27 Feb 2025

https://github.com/morn-team/morn-boot-projects

基于SpringBoot的JavaWeb开发框架,致力于为JavaWeb项目提供标准化API。

java jpa spring spring-boot

Last synced: 07 Jul 2025

https://github.com/woowacourse-teams/2021-drop-the-code

👀코드 리뷰 매칭 플랫폼 코드봐줘

java javascript react spring typescript

Last synced: 15 Jun 2025

https://github.com/mechero/java-9-flow-reactive

A sample application using Java 9's Flow API and SubmissionPublisher

flow java java9 reactive-programming

Last synced: 14 Jun 2025

https://github.com/lnwazg/httpkit

java版的http服务器,替代Tomcat、jetty的超轻量级方案

http java microservice server

Last synced: 29 May 2026

https://github.com/rhuffman/re-retrying

A Java library to allow for the creation of configurable retrying strategies for an arbitrary function call, such as something that communicates with a remote service with flaky uptime.

java retry

Last synced: 29 May 2026

https://github.com/maif/thoth

Event sourcing in java with vavr, akka stream and vertx reactive PG driver

akka-streams event-sourcing functional-programming java kafka postgresql

Last synced: 10 Oct 2025

https://github.com/a7ul/imshow-java-opencv

an alternative to imshow() in C++ OpenCV for Java OpenCV

imshow java java-opencv opencv openlibrary

Last synced: 16 Dec 2025

https://github.com/wowph/lease

建筑材料租赁系统,后端框架SSM,前端框架LayUI,数据库MySQL,开发工具IDEA,Web服务器Tomcat,毕业设计。功能:客户管理,材料管理,订单管理,修改密码

idea java layui maven mybatis mysql spring springmvc tomcat

Last synced: 29 Oct 2025

https://github.com/gwtboot/gwt-boot-samples

GWT Boot: Samples to check all the Starters

boot framework gwt java javascript spring-boot starter

Last synced: 14 Jul 2025

https://github.com/paypal/mirakl-hyperwallet-connector

The Hyperwallet Mirakl Connector (HMC) is a self-hosted solution that mediates between a Mirakl marketplace solution and the Hyperwallet (PayPal) payout platform.

connector hyperwallet java mirakl paypal

Last synced: 30 Oct 2025

https://github.com/ichtrojan/fragrance

Fragrance showcase built with Go

fragrances go golang gorm java jquery mysql

Last synced: 15 Jul 2025

https://github.com/xyundy/squaredadditions

A Minecraft mod for Fabric modloader which adds new blocks, items & other Vanilla+/Create themed stuff.

100commitow fabric fabricmc fabricmc-mod java minecraft minecraft-fabric minecraft-fabric-mod

Last synced: 20 Jul 2025

https://github.com/tigase/jaxmpp

Java XMPP client library

android chat instant-messaging jabber java library xmpp

Last synced: 27 Jul 2025

https://github.com/raatmarien/chibe

An Android application that reminds you of the time

android clock gpl gplv3 java phone productivity time time-tracker vibration watch

Last synced: 27 Jun 2025

https://github.com/nsoft/jesterj

Document Ingestion Framework for Search Systems

elasticsearch java search solr

Last synced: 16 Jan 2026

https://github.com/jellyfin/jellyfin-androidx-media

Prebuilt AndroidX Media3 extension(s) used in the Jellyfin project.

exoplayer ffmpeg java jellyfin kotlin

Last synced: 29 Dec 2025

https://github.com/grahamedgecombe/jterminal

JTerminal is a (roughly) VT100-compatible terminal emulator for Swing-based Java applications.

java swing terminal-emulators

Last synced: 11 Apr 2025

https://github.com/codehaus-plexus/plexus-compiler

Plexus compiler a layer on top of compilers and used by maven-compiler-plugin

compiler java maven maven-plugin

Last synced: 15 May 2025

https://github.com/zuazo/node-jmx

Node.js library to connect to Java applications through JMX.

java jmx jvm node

Last synced: 30 Apr 2025

https://github.com/haehnchen/idea-php-drupal-symfony2-bridge

PhpStorm plugin to support Symfony components inside Drupal 8

annotation drupal intellij intellij-plugin java php phpstorm phpstorm-plugin symfony twig

Last synced: 05 May 2025

https://github.com/ivangfr/springboot-kong-keycloak

Goal: create a Spring Boot app called book-service accessible only through the Kong API gateway. In Kong, the kong-oidc plugin will be installed, enabling communication between Kong and Keycloak. This setup ensures that when Kong receives a request for book-service, it validates the request in conjunction with Keycloak to ensure its authenticity.

docker graalvm java keycloak kong kong-oidc mongodb mysql native postgresql spring-boot spring-data-mongodb spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/phax/en16931-cii2ubl

Converter for EN16931 invoices from CII to UBL

cii converter creditnote en16931 invoice java oasis ubl

Last synced: 29 Dec 2025

https://github.com/betacraftuk/legacyfix

Patches legacy Minecraft

java javaagent legacy minecraft

Last synced: 28 Apr 2025

https://github.com/mihaicostin/hibernate-l2-memcached

Hibernate second level cache implementation over memcached

hibernate java memcached second-level-cache

Last synced: 14 Jan 2026

https://github.com/dpsoft/ap-agent

Java agent that acts as a proxy to the almighty Async Profiler

async-profiler firefox-profile flamegraph flamescope java performance pprof profiling

Last synced: 17 Jan 2026

https://github.com/obydux/minecraft-startup-flags

Modern way of optimizing garbage collection in Minecraft: Java Edition

flags gc-tuning generational-zgc java java-21 jvm minecraft optimization tuning zgc zgenerational

Last synced: 15 Aug 2025

https://github.com/manticore-projects/jsqlformatter

Java SQL Formatter, Beautifier and Pretty Printer

beautify formatter java mssql mysql oracle postgres pretty-print sql

Last synced: 26 Aug 2025

https://github.com/igniterealtime/whack

Open Source XMPP component library for XMPP components

jabber java xmpp-components

Last synced: 08 Apr 2025

https://github.com/yegor256/hangman

Hangman (the game) written in a very unelegant procedural style, which you can improve in order to test your skills

game hangman-game java oop

Last synced: 07 Apr 2025

https://github.com/gantsign/ansible-role-java

Ansible role for installing Java from Adoptium

ansible ansible-role java

Last synced: 06 Apr 2025

https://github.com/godcrampy/fireflydb

FireflyDB is a fast, thread-safe, JVM-based key-value storage engine with microsecond latency.

database java storage-engine

Last synced: 17 Jan 2026

https://github.com/valmobile/realisticsurvival

Realistic Survival - A unique Spigot/Paper plugin inspired by RLCraft that aims to enhance pure survival, adventuring and RPG, and immersion of vanilla Minecraft.

bukkit discord java minecraft modded modded-minecraft modpack mods open-source paper papermc plugin spigot spigotmc survival

Last synced: 14 Mar 2026

https://github.com/zapodot/embedded-ldap-junit

A JUnit rule for running an embedded LDAP server in your JUnit test

java junit-rule ldap ldap-server testing unbound

Last synced: 23 Oct 2025

https://github.com/americanexpress/synapse

Synapse is a set of lightweight foundational framework modules for rapid development, built-in with enterprise-grade maturity and quality.

cloud-functions faas java native reactive rest rest-api spring webflux

Last synced: 12 Oct 2025

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

OpenJDK binding for MMTk

java mmtk openjdk vm

Last synced: 10 Feb 2026

https://github.com/edummorenolp/arg-programa-4.0-fullstack-ejercicios

Este repositorio contiene los ejercicios resueltos del curso FullStack de ARG Programa 4.0. Los ejercicios están organizados por temas y cada uno cuenta con su propia carpeta. La idea es que los estudiantes puedan utilizar este repositorio como una guía para resolver los ejercicios por su cuenta y como referencia para comparar sus soluciones.

css git github html java javascript mysql spring-boot thymeleaf

Last synced: 15 Mar 2026

https://github.com/The-Nefarious-Developer/eclipse-ai-assistant

An Eclipse AI Assistant that connects with SAP AI Core deployments to provide a "copilot" experience to ABAP Developers on the cloud and on-premise

abap ai assistant copilot eclipse gpt ide java joule maven-thyco sap

Last synced: 30 Oct 2025

https://github.com/radarsh/raroscope

A pure Java library for scanning and enumerating RAR archive contents

compression java rar-archives

Last synced: 07 Mar 2026

https://github.com/vigna/dsiutils

The DSI Utilities are a mishmash of classes accumulated during the last twenty years in projects developed at the DSI (Dipartimento di Scienze dell'Informazione, i.e., Information Sciences Department), now DI (Dipartimento di Informatica, i.e., Informatics Department), of the Università degli Studi di Milano.

data-structures java mutable-strings pseudorandom-number-generator

Last synced: 07 Jul 2025

https://github.com/cloudsimplus/cloudsimplus-automation

A Java 17+ tool for Human-Readable Scenario Specification and Automated Creation of Simulations on CloudSim and CloudSim Plus 🌥⚙️📄👨‍💻

automation cloudsim cloudsim-plus java simulation simulation-scenario yaml

Last synced: 18 Dec 2025

https://github.com/cronn/ssh-proxy

Pure Java implementation for SSH port tunneling that understands ProxyJump and ProxyCommand

java ssh tunnel

Last synced: 01 May 2025

https://github.com/anishlearnstocode/algorithmic-toolbox

Solutions to Coursera course by University of California, San Diego.

algorithms coursera data-structures dynamic-programming java programming python python3 solutions

Last synced: 10 Apr 2025

https://github.com/jp1016/superbadge

🚀 📛 SuperBadge Android Library 🔥

android android-library badge chip custom-view java library rating

Last synced: 07 May 2025

https://github.com/whaleal/mars

Mars - Java Object Document Mapper for MongoDB (MongoDB ODM Framework )

codec java javaorm mars mongodb odm orm orm-framework springboot whaleal

Last synced: 02 Jul 2025

https://github.com/coralblocks/coralcpp

Call Java from C++ and C++ from Java with a variety of old and new projects like JNI, JNA, JNR, FFM, JExtract, BridJ, GraalVM, JNI-Bind, etc.

bridj cpp ffm graalvm graalvm-native-image java jextract jna jni jni-bind jnr jnr-ffi jvm

Last synced: 28 Apr 2025

https://github.com/gw-kit/delta-coverage-plugin

Gradle plugin and CLI for computing code coverage of new/modified code based on a diff

code-coverage diff gradle-plugin intellij-coverage jacoco java kotlin

Last synced: 12 Mar 2026

https://github.com/afarber/android-questions

Small projects for asking at Stackoverflow

android java stackoverflow

Last synced: 05 Oct 2025

https://github.com/pisces-hub/muchat

Muchat是用JAVA语言开发的轻量、高性能、单机支持几十万至百万在线用户IM,主要目标降低即时通讯门槛,快速打造低成本接入在线IM系统,通过极简洁的消息格式就可以实现多端不同协议间的消息发送如内置(Http、Websocket、Tcp自定义IM协议)

chat im java netty redis springboot tcp zookeeper

Last synced: 12 Apr 2025

https://github.com/cucumber/messages

A message protocol for representing results and other information from Cucumber

dotnet elixir go java javascript perl php polyglot-release ruby tidelift

Last synced: 25 Jan 2026

https://github.com/eclipse-jnosql/jnosql-extensions

This project contains all specialization to Eclipse JNoSQL. The specific behavior in a NoSQL database matters, that's why there are Eclipse JNoSQL Mapper specializations.

jakartaee java jnosql microprofile

Last synced: 07 Apr 2026

https://github.com/selwynshen/nics-easy-rules

rules-engine, based on easy-rules

java rule-engine rules-engine spring yaml

Last synced: 14 Jan 2026

https://github.com/a2ap/a2a4j

A2A4J is a comprehensive Java implementation of the Agent2Agent Protocol, including server, client, examples, and starters.

a2a a2a-client a2a-protocol a2a-server ai java llm mcp spring springboot

Last synced: 14 Jan 2026

https://github.com/knopflerfish/knopflerfish.org

Knopflerfish OSGi Service Platform. OSGi run-time container and SDK source code repo

java osgi osgi-services

Last synced: 14 Jan 2026

https://github.com/benelog/one-ftpserver

Simple, portable FTP server for one user by one executable jar file.

ftp java

Last synced: 04 Sep 2025

https://github.com/comcast/oscar

OSCAR - OpenSource Cablemodem file AssembleR - DOCSIS, PacketCable, DPoE Configuration Editor and API Framework

cable-modem cli configuration-file docsis docsis-editor java snmp tlv

Last synced: 11 Apr 2025

https://github.com/neomatrix369/chatbot-conversations

Chatbot conversations: a demo application how two (or more) chatbots can talk to each other, the logic used to build Eliza (along with an NLP model) has been used to power the chatbots.

ai chat-application chatbot eliza eliza-chatbot graalvm helidon helidon-example java ml nlp python quarkus text

Last synced: 14 Jun 2025

https://github.com/andriawan/AndKasir

AndKasir merupakan aplikasi open source yang dibangun dengan bahasa pemrograman Java untuk kebutuhan retail perusahaan menengah dalam mengatur aktifitas barang masuk dan keluar. konsultasi isu, instalasi dan penambahan fitur silahkan kirim email ke irwan@andriawan.com

java kasir point-of-sale

Last synced: 13 Apr 2025

https://github.com/moderocky/mirror

A smart, fast alternative to Java's reflection API.

bytecode bytecode-manipulation java reflection reflection-library

Last synced: 23 Mar 2025

https://github.com/apache/qpid-proton-j

Mirror of Apache Qpid Proton-J

amqp amqp10 apache java library messaging qpid

Last synced: 28 Jul 2025

https://github.com/didinj/spring-boot-mongodb-react-java-crud

Spring Boot, MongoDB and React.js CRUD Java Web Application Example

application boot crud example java mongo mongodb react reactjs spring spring-boot tutorial web webapp

Last synced: 24 Apr 2025

https://github.com/wx-chevalier/algorithm-examples

Code Snippets of DataStructure & Algorithm & LeetCode Implementations/Solutions for Several Programming Language: Java, JavaScript, Go, Python, Rust, etc. :dizzy: 多语言版本的数据结构与算法实现分析

alogrithms datastructures golang java tree wx-code wx-snippets

Last synced: 27 Jul 2025

https://github.com/arun-gupta/lambda-rds-mysql

Shows how to use a Lambda function to store data in an RDS instance

aws database hibernate java lambda mysql rds serverless

Last synced: 25 Oct 2025

https://github.com/col-e/ll-java-zip

Lower level ZIP support for Java

java zip zipfile

Last synced: 16 Mar 2026

https://github.com/skinny85/specnaz

Library for writing beautiful, RSpec/Jasmine/Mocha/Jest-style specifications in Java, Kotlin and Groovy

groovy jasmine java java8 jest junit kotlin mocha mochajs rspec testing tests

Last synced: 25 Oct 2025

https://github.com/amanmehara/programming

A polyglot collection of algorithms and code snippets.

c c-plus-plus c-sharp f-sharp groovy hacktoberfest java javascript php python scala sql

Last synced: 15 Feb 2026

https://github.com/professorjosedeassis/javaee

Java WEB Level 1 (Servlet - jsp - JDBC)

crud itextpdf java javaee jdbc jdbc-driver jsp mysql servlet

Last synced: 28 Feb 2026

https://github.com/dpwgc/fast-im

FastIM 一个基于Spring Boot + WebSocket + Redis,可快速开发的分布式即时通讯群聊系统。适用于直播间聊天、游戏内聊天、客服聊天等临时性群聊场景。

im java nosql redis server spring-boot web websocket

Last synced: 02 Mar 2026

https://github.com/nandtel/spring-boot-angular2-starter

Starter application. Spring Boot, Angular 2, TypeScript, Gulp, Gradle, SCSS.

angular2 gradle gulp heroku java livereload scss spring-boot typescript

Last synced: 04 Mar 2026

https://github.com/thomasnield/dirtyfx

Dirty state-tracking properties and collections for JavaFX

java javafx kotlin tornadofx

Last synced: 03 Mar 2026

https://github.com/lujiafa/houtu-admin

Enterprise-level permission management system based on Houtu framework, with frontend-backend separation (Vue 3 + Spring Boot). Supports menu/role/user/organization/position permission control, MFA two-factor authentication, multiple layout modes, and Chinese/English internationalization.

admin-system element-plus enterprise houtu i18n java mfa mybatis-plus permission-management redis spring-boot spring-security vue3

Last synced: 14 Jun 2026

https://github.com/jenkinsci/gitlab-oauth-plugin

Jenkins authentication plugin using GitLab OAuth as source

java jenkins plugin

Last synced: 01 Mar 2026

https://github.com/norconex/importer

Norconex Importer is a Java library and command-line application meant to "parse" and "extract" content out of a file as plain text, whatever its format (HTML, PDF, Word, etc). In addition, it allows you to perform any manipulation on the extracted text before using it in your own service or application.

extract html java java-library manipulation norconex-importer parse pdf

Last synced: 17 Jun 2025

https://github.com/gcoronelc/peci-java-mar-2015

Repositorio del curso de Java de Mar 2015

java jdbc mybatis mysql netbeans oracle spring sql

Last synced: 06 Apr 2025

https://github.com/hgwood/java8-streams-and-exceptions

Experiments with dealing with exceptions while using the Stream API

exceptions java streams

Last synced: 30 Oct 2025

https://github.com/commercetools/commercetools-sync-java

Java library for importing and syncing (taking care of changes) data into one or more commercetools projects from external data files or from another commercetools project.

commercetools commercetools-importer commercetools-sdk commercetools-sync ecommerce hacktoberfest import-and-export java sdk sync

Last synced: 06 Apr 2025