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/cronn-de/ssh-proxy

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

java ssh tunnel

Last synced: 19 Mar 2025

https://github.com/mechero/completable-future-example

Example project comparing Java's CompletableFuture and Future implementations

completablefuture future java thepracticaldeveloper

Last synced: 30 Apr 2025

https://github.com/amine-smahi/materiallogin.fx

A simple login panel with javafx using material design ui

amine-smahi flat-design java javafx login material-design netbeans

Last synced: 18 Mar 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/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/pakoito/rxsealedunions2

Compile-time checked Unions of different types for Domain Modeling [STABLE]

functional-programming java rxjava2

Last synced: 14 Apr 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/bzdgn/docker-spring-boot-java-web-service-example

Tutorial for a docker container running a simple primitive web service built with Spring Boot

alpine docker docker-container docker-image dockerfile java open-jdk rest-api rest-controller spring-boot web-service

Last synced: 30 Oct 2025

https://github.com/vy/rotating-fos

Java library providing rotating/rolling FileOutputStream.

fileoutputstream java

Last synced: 12 Apr 2025

https://github.com/calimero-project/calimero-tools

A collection of KNX network tools for device discovery, process communication, and monitoring

cli command-line java knx

Last synced: 09 Apr 2025

https://github.com/mukulkolpe/social_media_app

A social media app where users will be able to communicate in public channels as well as personal messages, share stories, share media.

andriod chat-application firebase firebase-auth firebase-database firebase-realtime-database java social-media social-media-app xml

Last synced: 12 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/itning/yunshu-notes-r

使用SpringBoot开发的基于HBASE的大数据存储分布式云计算笔记(后端)

hadoop hbase java redis scala spring-boot

Last synced: 29 Jun 2025

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/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/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/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/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/zaahidali/atm-management-system

A semester project completed in Java Programming language

atm atm-management-system java java-programming java-project semester-project

Last synced: 21 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/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/robeio/robe

A brand new robe for dropwizard

conversion dropwizard hibernate java quartz robe

Last synced: 07 Mar 2026

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

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/brunobonacci/1config

A command line tool and a library to manage application secrets and configuration safely and effectively.

aws aws-lambda clojure configuration configuration-management java security

Last synced: 17 Mar 2025

https://github.com/oeljeklaus-you/loganalyzehelper

论坛日志分析系统清洗程序(包含IP规则库,UDF开发,MapReduce程序,日志数据)

hadoop java

Last synced: 28 Jun 2025

https://github.com/swiesend/secret-service

A Java library for storing secrets under linux in the gnome-keyring over D-Bus. Like libsecret, but for Java.

dbus dbus-java gnome gnome-keyring java java-library jvm keyring libsecret linux password password-store password-vault scala secret-service secrets storing-secrets

Last synced: 04 Oct 2025

https://github.com/orienteerbap/vuecket

Power of Vue.JS married with magic of Apache Wicket

java vue vuejs web-framework webfr wicket

Last synced: 05 Oct 2025

https://github.com/llorllale/cactoos-matchers

Elegant object-oriented hamcrest matchers

cactoos elegantobjects hamcrest-matchers java junit oop unit-test

Last synced: 27 Mar 2025

https://github.com/ivangfr/spring-data-jpa-r2dbc-mysql-stream-million-records

In this project, we will implement two Spring Boot Java Web application called, streamer-data-jpa and streamer-data-r2dbc. They both will fetch 1 million of customer's data from MySQL and stream them to Kafka. The main goal is to compare the application's performance and resource utilization.

cadvisor docker java jconsole jib kafdrop kafka mysql spring-boot spring-cloud-stream spring-data-jpa spring-data-r2dbc spring-web-mvc spring-webflux

Last synced: 10 Apr 2025

https://github.com/woowacourse-teams/2024-code-zap

코드 템플릿, Zap싸게 저장하고! Zap싸게 공유하자! 코드잽 ⚡

chrome-extension java react spring-boot typescript

Last synced: 13 Apr 2025

https://github.com/neo4j/neo4j-java-driver-spring-boot-starter

Automatic configuration of Neo4j's Java Driver for Spring Boot applications

bolt driver java neo4j neo4j-driver spring-boot spring-boot-starter

Last synced: 30 Sep 2025

https://github.com/tangorabox/componentinspector

Java Desktop (JavaFX and Swing) Component Inspector on mouse over

component component-inspector desktop inspector java javafx node swing

Last synced: 10 Apr 2025

https://github.com/dyleaf/wechat

Wechat: 一款使用javafx实现的网络聊天室。

chat emoji java javafx-gui

Last synced: 10 Apr 2025

https://github.com/mishmash-io/opentelemetry-server-embedded

OpenTelemetry and logs, metrics, traces, profiles analytics, united by mishmash io.

apache druid java opentelemetry otlp parquet superset vertx

Last synced: 11 Feb 2026

https://github.com/chinalike/jsbridge

Android 中 WebView 与原生通信

bridge java javascript webview

Last synced: 14 Jul 2025

https://github.com/Commonjava/indy

Simple artifact proxy for maven and similar build tools

java maven npm repository-management

Last synced: 07 Oct 2025

https://github.com/stevespringett/cvss-calculator

A Java library for calculating CVSSv2 and CVSSv3 scores and vectors

cvss cvssv2 cvssv3 java library nist nvd

Last synced: 06 Apr 2025

https://github.com/open-learning-exchange/myplanet

🌕 myPlanet android app reads data from 🌎 for offline use as well as it collect usage data and sends them back to the Planet.

android-device android-studio apk hacktoberfest java kotlin learning planet realm sync

Last synced: 01 Jul 2026

https://github.com/sap/sailing-analytics

The Sailing Analytics, formerly known as the "SAP Sailing Analytics," are a solution for portraying and analyzing sailing regattas, support training scenarios, and power the vast archive at https://sapsailing.com.

analytics android gwt java osgi sailing sap web

Last synced: 28 Jun 2026

https://github.com/xing/xing-android-sdk

The Official XING API client for Java/Android

android api api-client java moshi oauth xing xing-api

Last synced: 14 Jan 2026

https://github.com/mnestorov/regex-patterns

This repository contains regular expression (regex) patterns for validating phone numbers postal codes, VAT numbers, dates, currency, credit/debit cards etc. for European countries (but not only).

csharp csharp-regex european java java-regex javascript javascript-regex js-regex php php-regex python python-regex regex regex-match regex-pattern regex-patterns regex-validator ruby

Last synced: 12 Jul 2025

https://github.com/porkstudios/porklib

Fast, lightweight libraries for Java. Note: this is very much a work-in-progress, documentation is spotty and the API is changing constantly!

high-performance java library modular

Last synced: 19 Jul 2025

https://github.com/yihleego/trie4j

📒 An Aho-Corasick algorithm based string-searching utility for Java. It supports tokenization, ignoring case, replacing text. So you can use it to find keywords in an article, filter sensitive words, etc.

aho-corasick go java keywords sensitive stopwords string-searching

Last synced: 15 Jul 2025

https://github.com/orienteerbap/wicket-orientdb

Everything you need to work with Apache Wicket and OrientDB

java orientdb orienteer wicket

Last synced: 18 Dec 2025

https://github.com/OrienteerBAP/wicket-orientdb

Everything you need to work with Apache Wicket and OrientDB

java orientdb orienteer wicket

Last synced: 13 Mar 2025

https://github.com/commonjava/indy

Simple artifact proxy for maven and similar build tools

java maven npm repository-management

Last synced: 24 Dec 2025

https://github.com/kyoripowered/indra

A set of Gradle plugins to apply common organization build settings.

gradle-plugin hacktoberfest java kotlin

Last synced: 06 May 2025

https://github.com/mikesafonov/spring-boot-starter-smpp

Spring boot starter to send SMS via SMPP

java smpp spring-boot starter

Last synced: 12 Apr 2025

https://github.com/bamless/interpreter

A simple intepreter written in java.

c compiler interpreter java

Last synced: 07 May 2025

https://github.com/gigaherz/toolbelt

A simple mod that adds a belt for carrying tools

forge-mod java java-8 minecraft minecraft-forge-mod minecraft-mod

Last synced: 11 Oct 2025

https://github.com/daichi-m/jach

Briging Golang's channels to Java

golang-channels java

Last synced: 12 Jan 2026

https://github.com/materna-se/declab

📊 Web-based decision model laboratory powered by jDEC and Vue.js

decision-management decision-model dmn docker java javascript vue

Last synced: 09 Sep 2025

https://github.com/chriy/pighelper

:pig:基于Hybrid+SSM的养猪信息化管理平台,该平台实现了对实时新闻,猪价的爬虫获取,以及各类养殖账单的增删改查等等。该项目适配了移动端界面,最终通过Hybrid混合式App开发技术打包成App,安装在移动端使用

java layui mybatis spring spring-mvc

Last synced: 26 Aug 2025

https://github.com/qinhanmin2014/leetcode-solutions

LeetCode Solutions in Python, Java and C++

cpp java leetcode python

Last synced: 15 Apr 2025

https://github.com/depromeet/14th-team5-be

디프만 14기 개발하다가 5잉~ 금지 SERVER 🖥️

backend java jpa mvc springboot

Last synced: 04 Mar 2026

https://github.com/KyoriPowered/event

An event bus.

eventbus java

Last synced: 26 Apr 2026

https://github.com/lovethefrogs/optigraph

Optimum graph creation and distribution for underground networks.

algorithms graph gui java

Last synced: 14 Apr 2025

https://github.com/venwyhk/spring-social-wechat

基于spring-social微信第三方登录实现,支持微信开放平台、微信公众平台和企业微信。

java oauth2 spring-boot spring-social wechat wecom

Last synced: 02 Aug 2025

https://github.com/taketoday/today-web

😐 A Java library for building web applications

framework high-performance java java-web lightweight servlet springmvc

Last synced: 03 Oct 2025

https://github.com/CrazyLeoJay/nginx-gui

Nginx GUI Manager

java springboot2

Last synced: 04 May 2025

https://github.com/xxdark/stringscrambler

Hide strings in memory (PoC)

hide java memory string

Last synced: 25 Jun 2025

https://github.com/TAKETODAY/today-web

😐 A Java library for building web applications

framework high-performance java java-web lightweight servlet springmvc

Last synced: 12 May 2025

https://github.com/buaadreamer/buaa-compile-2021

2021年北航编译课程设计,基于SysY文法的MIPS编译器

c compiler java

Last synced: 11 Apr 2025

https://github.com/ugioni/selenium-webdriver-java

Cucumber, Selenium WebDriver, Junit, Java and Maven.

e2e java selenium selenium-webdriver webdriver

Last synced: 02 May 2025

https://github.com/andy-goryachev/fxeditor

JavaFX rich text editor able to handle billions of lines (WORK IN PROGRESS)

handle-billions java javafx javafx-components javafx-desktop-apps javafx-gui

Last synced: 10 Apr 2025

https://github.com/alexprut/design-patterns-java

📗 Classic OOP Design Patterns from GoF, implemented in Java.

design-patterns gof java oop

Last synced: 30 Apr 2025

https://github.com/pubref/rules_maven

Transitive maven dependencies with Bazel.

bazel gradle java maven transitive-closure

Last synced: 04 Sep 2025

https://github.com/albfernandez/itext2

Java Library to create and manipulate PDF on the fly

java

Last synced: 14 Jan 2026

https://github.com/crowdcode-de/kissmda

Keep It Simple Stupid, MDA!

java mda uml

Last synced: 15 Jun 2025

https://github.com/reime005/react-native-secure-element

The most secure way to encrypt and decrypt personal data on a mobile device. Automatically E2E tested and deployed via Github Actions CI/CD.

android hacktoberfest ios java keychain keystore objc react react-native security typescript

Last synced: 06 Apr 2025

https://github.com/seunmatt/morsecodetranslator

This is a desktop application that translates English text to Morse code and vice-versa

gui-desktop jar java morse translator tutorial

Last synced: 15 Apr 2025

https://github.com/gameofdimension/java-bert-predict

turn bert pretrain checkpoint into saved model for a feature extracting demo in java

bert feature-extraction google-bert java tensorflow

Last synced: 15 Oct 2025

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

This is the Official Java API client/library for Midtrans Payment API. Visit https://midtrans.com. More information about the product and see documentation at http://docs.midtrans.com for more technical details

java java-library midtrans payment-gateway

Last synced: 21 Aug 2025