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/aman9026/codezen

Contains the solutions of all the problems I attempted in practice or competitions on Codezen

codezen competitions competitive-programming cpp java practice practice-programming

Last synced: 15 Aug 2025

https://github.com/executeautomation/katalonstudiowebui

This repo contains all the code required for testing web application using Katalon WebUI

automation java katalon katalon-studio selenium

Last synced: 23 Mar 2025

https://github.com/bric3/fireplace

Flamegraph (Iciclegraph) swing component

flamegraph iciclegraph java jfr swing

Last synced: 12 Jan 2026

https://github.com/ralscha/mycustomer

Ext JS 6 sample application with Spring Framework, Spring Boot, JPA

demo extjs extjs6 java javascript

Last synced: 10 Aug 2025

https://github.com/jorgeluisreis/askconsole

AskConsole é uma aplicação que une a simplicidade do CLI com a complexidade de uma IA (LLM), trazendo a oportunidade ter conversas com o Gemini da Google.

cli gemini-ai ia java json llm

Last synced: 14 Apr 2025

https://github.com/nekos-life/neko-bot-jda

The official Nekos.life Discord bot

discord discord-bot java jda jda-bot nekobot nekos-life

Last synced: 06 Aug 2025

https://github.com/woowacourse-teams/2025-todok-todok

📖 읽고 ✏️ 기록하고 💬 토론하자, 독서 기반 토론 서비스 “토독토독”

android-app java kotlin spring-boot

Last synced: 30 Aug 2025

https://github.com/adambien/java-plain

The shortest possible maven template / quickstarter for Java

java java17 maven quickstarter template

Last synced: 08 Aug 2025

https://github.com/woowacourse-teams/2025-hearit

🎧 읽지 말고, 히어릿 — 귀로 듣는 개발 인사이트

android java kotlin media3 spring

Last synced: 05 Mar 2026

https://github.com/renatoaguimaraes/spring-reactive-kafka-sse

Stream with Spring Boot Reactive + Kafka + Server Sent Event + Cassandra.

cassandra html5 java javascript kafka reactive-programming reactive-spring-data spring-boot spring-reactive sse

Last synced: 31 Jul 2025

https://github.com/tanin47/javaparser.rs

[work-in-progress] Java parser written in Rust

java parser

Last synced: 15 Sep 2025

https://github.com/lalanachami/java-chat-application-socket-java-swing-gui-

👩‍❤️‍💋‍👨🧑🏻‍💻Socket based chat application with a chat client and a chat server. With swing GUI and message encryption

chat-application decryption encryption hash java sha-1 socket swing-gui

Last synced: 14 Apr 2025

https://github.com/kakarottocui/ssm-jiuzhu

基于SSM框架的流浪动物猫狗救助领养网站设计

java mysql ssm

Last synced: 28 Jul 2025

https://github.com/sebischair/SimpleNLG-DE

German version of SimpleNLG 4

java natural-language nlg simplenlg

Last synced: 14 May 2025

https://github.com/beykery/willwallet

以太坊钱包

ethereum java mnemonic wallet

Last synced: 12 Jan 2026

https://github.com/logtail/logback-logtail

Better Stack Java Logback appender

java logback logging logtail

Last synced: 30 Jul 2025

https://github.com/michel-leonard/ciede2000-color-matching

The 𝐂𝐈𝐄𝐃𝐄𝟐𝟎𝟎𝟎 color difference formula written in 40+ programming languages.

c color computer-vision dart education go image-processing java javascript kotlin ktm620enduro linux python ruby rust swift testing windows

Last synced: 18 Feb 2026

https://github.com/spyopensource/os

Java Operation System, it is an operating system that you can build by yourself.

java jdk os

Last synced: 17 Jan 2026

https://github.com/hardiksinghbehl/just-another-testcontainer-integration

Backend application using Testcontainers for Integration Testing AWS S3, Azure Blob Storage, Kafka, MySQL, Egress calls including Chaos testing and Redis.

azurite chaos-testing java kafka-testing localstack mockserver mysql-test redis-test redpanda spring-boot testcontainers toxiproxy

Last synced: 09 Apr 2025

https://github.com/objectionary/eo-intellij-plugin

Syntax Highlighting Intellij IDEA Plugin for EO Programming Language

eolang intellij intellij-plugin java oop parser

Last synced: 16 Oct 2025

https://github.com/AdamBien/java-plain

The shortest possible maven template / quickstarter for Java

java java17 maven quickstarter template

Last synced: 26 Mar 2025

https://github.com/willfleury/prometheus-metrics-agent

JVM agent metrics instrumentation and monitoring with Prometheus (Scala, Java, Kotlin, Clojure, etc)

agent apm java jvm metrics monitoring prometheus

Last synced: 16 Oct 2025

https://github.com/wojciechzankowski/iextrading4j-book

IEX Trading open source incremental Order Book implementation

deep feed hist iex iextrading java market-data order orderbook tops

Last synced: 10 Apr 2025

https://github.com/jlleitschuh/kotlin-guiced

Convenience Kotlin API over the Google Guice DI Library

dependency-injection google google-guice guice java jvm kotlin

Last synced: 07 Jul 2025

https://github.com/pkini2002/jwt-authentication-springboot

JWT Authentication API using Spring Boot 3.1.4 (Using Spring Security + Lombok + Spring Web dependencies)

intellij java jsonwebtoken jwt-authentication lombok postman-testing spring-boot spring-security-jwt spring-web

Last synced: 07 Sep 2025

https://github.com/patilshreyas/passengersecurity-sih2018

This is our SIH2018 and Third Year Mini Project - Android app for Passenger to file FIR Online.

android fir-online government-railway-police grp java mysql php xampp

Last synced: 16 Oct 2025

https://github.com/oktadev/okta-java-rest-api-comparison-example

Java REST API with Micronaut, Quarkus, and Spring Boot

java micronaut quarkus rest rest-api spring-boot

Last synced: 06 Oct 2025

https://github.com/cjstehno/coffeaelectronica

My technical blog.

blog gradle groovy java

Last synced: 23 Apr 2025

https://github.com/grashjs/api

Api of Atlas CMMS - Computerized maintenance management system

alternative cmms java java-8 maven postgresql rest-api spring-boot startup

Last synced: 28 Feb 2025

https://github.com/DogerRain/HelloCoder

本项目是使用 vuepress 构建的一个技术文档博客,收集了作者本人 学习Java、面试 的一些文章,多为系列文章。

java javalearn javalearning

Last synced: 02 Apr 2025

https://github.com/rudderlabs/rudder-sdk-android

Android SDK for RudderStack - the Customer Data Platform for Developers.

analytics analytics-platform android android-library android-sdk java kotlin open-source rudder sdk

Last synced: 25 Apr 2025

https://github.com/baijianruoli/lidou

RPC framework based on Zookeeper and Netty

java netty rpc zookeeper

Last synced: 14 Jan 2026

https://github.com/kasukusakura/kimiroyli

Kimiroyli 是一个致力于 JVM 安全的安全管理框架, 致力于保护整个系统不受恶意外部代码攻击 (WIP)

java javaagent jvm security

Last synced: 26 Apr 2025

https://github.com/devops-utils/excel-to-pdf

An easy way to convert Excel 2003 and Excel 2007 to PDF by Java code based on Apache POI and itext7

excel excel-to-pdf excel2pdf itext itext7 java pdf poi

Last synced: 14 Jan 2026

https://github.com/richardschoen/howtostuff

This repository contains a general list of how to items for any language similar to gist style articles but focused in a repo

as400 cl commit csharp git ibmi ifs java javascript nfs node php python repositories repository rpg sql vb view xmlservice

Last synced: 05 Sep 2025

https://github.com/kumar-shivam-ranjan/retail-store-management-system

This Repository contains Java Spring MVC based relational Database Management System Project

java jdbc-connector mysql-database spring-mvc spring-security

Last synced: 13 Jun 2025

https://github.com/apache/logging-chainsaw

Apache Chainsaw is a GUI log viewer

apache java logging

Last synced: 09 Apr 2025

https://github.com/wittawatj/jtcc

Java library to tokenize Thai text into a list of TCCs

java natural-language-processing thai-nlp

Last synced: 23 Apr 2025

https://github.com/dropwizard/dropwizard-health

Provides a health check implementation that performs ongoing monitoring of an application's dependencies and includes an endpoint that can be called by a load balancer to determine if the application is healthy and thus able to receive traffic.

dropwizard health-check health-checks healthcheck java

Last synced: 29 May 2026

https://github.com/helins/linux-gpio.java

Use the standard Linux GPIO api from Java

gpio iot java jna linux native standard

Last synced: 19 Apr 2025

https://github.com/isapir/lucee-websocket

Enables server WebSockets for Lucee via JSR-356 compliant servlet containers (e.g. Tomcat 8, Jetty 9.1, etc.)

java lucee lucee-server websocket-server websockets

Last synced: 15 Apr 2025

https://github.com/cyclopsmc/colossalchests

For when regular chests are too small.

forge hacktoberfest java minecraft

Last synced: 01 May 2025

https://github.com/dahie/imageflow

Visual ImageJ Macro editing in a node-base editor featuring ImageJ

imagej java node-based-ui

Last synced: 09 Sep 2025

https://github.com/lukehb/trajsuite

TrajSuite is a cross-platform Java application that provides a suite of trajectory data-mining and visualisation features.

algorithms classification clustering data-minig java opengl trajectory visualisation

Last synced: 04 May 2025

https://github.com/yegor256/cam

Classes and Metriсs (CaM): a dataset of Java classes from public open-source GitHub repositories

cyclomatic-complexity dataset java metrics metrics-gathering

Last synced: 27 Mar 2025

https://github.com/pinterest/l10nmessages

L10nMessages is a library that makes internationalization (i18n) and localization (l10n) of Java applications easy and safe.

annotation-processor bazel fluent-api format gradle i18n icu4j internationalization java l10n localization maven

Last synced: 07 Jul 2025

https://github.com/houarizegai/cryptography

Cryptography algorithms implemented in Java.

algorithms cryptography decryption encryption java symmetric

Last synced: 10 Apr 2025

https://github.com/dmkyr20/tables4j

Java-Cli-Table-Builder makes it easy to create flexible command-line tables. You haven't need to write your classes and methods to decorate console output anymore. Just use this flexible tool for positioning.

builder cli command-line command-line-tool console console-app console-application console-log console-tool easy-to-use java java-11 java-8 java-library library maven repository

Last synced: 10 Apr 2025

https://github.com/martinpaljak/EstEID

Estonian eID tools and libraries in Java

apdu apdu4j esteid java smartcard

Last synced: 12 Apr 2025

https://github.com/terl/hydride-java

Libhydrogen implemented in Java.

c cryptography encryption hash hashing java java-8 jna shared-library

Last synced: 30 Apr 2025

https://github.com/cojen/dirmi

Dirmi is a replacement for Java RMI which supports bidirectional remote objects.

java java-rmi remote-method-invocation remote-procedure-call rmi rpc rpc-library

Last synced: 10 Apr 2025

https://github.com/xdev-software/micro-migration

Tiny library to migrate EclipseStore datastores. Applies migration scripts on the datastores to keep them up to date.

eclipse-store eclipsestore java maven support-library xdev

Last synced: 30 Apr 2025

https://github.com/srcimon/screwbox

ScrewBox is a minimalist pure Java game engine. If you want to start building your own 2D game without leaving your cozy IDE it might be a fun choice.

2d game game-development game-engine gamedev java

Last synced: 26 Apr 2026

https://github.com/salitaba/maven-decoder-mcp

MCP server for inspecting, searching, and decompiling Maven .m2 JARs for Java AI coding agents.

agentic-coding ai-agents bytecode cursor-ide decompiler dependency-analysis docker jar java maven maven-repository mcp mcp-server model-context-protocol python skills

Last synced: 20 Jun 2026

https://github.com/swifdroid/jni-kit

📦 The best JNI wrapper ever made

java jni swift wrapper

Last synced: 13 May 2026

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

Scaledrone Java & Android WebSocket client

android java real-time scaledrone websocket websocket-client

Last synced: 12 Apr 2025

https://github.com/tfkfan/netty-server-game-demo

Netty java game highload server with room management support

gameserver highload java netty

Last synced: 12 Apr 2025

https://github.com/greenback-inc/greenback-java

Java library to build modern applications with high-def itemized financial data. OCR, AI, and NLP for receipts, invoices, bills, and RFC822 email messages.

accounting android bills email fintech groovy invoices java kotlin nlp-machine-learning ocr receipts rfc822 scala

Last synced: 12 Apr 2025

https://github.com/open-hand/gitlab-service

Gitlab Service is responsible for establishing communication with GitLab, handling GitLab related logic and forwarding it to other services.

choerodon gitlab java spring spring-boot spring-cloud

Last synced: 10 Jul 2025

https://github.com/jgperrin/net.jgp.books.spark.ch04

Spark in Action, 2nd edition - chapter 4

java manning spark sparkjava sparkwithjava

Last synced: 06 May 2025

https://github.com/akarnokd/async-enumerable

Prototype Java 9 library based on the asynchronous enumerable concept (where moveNext() returns a task to compose over).

asynchronous enumerable java

Last synced: 11 Apr 2025

https://github.com/pedro-manoel/atal

Repositório com as atividades e matérias desenvolvidas ao longo da disciplina de Análise e Técnica de Algoritmos da UFCG

brute-force dinamic-programming divide-and-conquer graph java python

Last synced: 06 May 2025

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

Spring Web Initializr is a library that helps you easily create Web Apps with Spring Boot.

java library mvc mvc-pattern plugin rest rest-api spring spring-boot webapp

Last synced: 05 May 2025

https://github.com/sergiorussia/jpoint-2024-pg-for-java-developers

PG для Java-разработчиков, доп материалы

hikaricp java pgjdbc spring-boot spring-jdbc

Last synced: 13 Apr 2025

https://github.com/jgperrin/net.jgp.books.spark.ch09

Spark in Action, 2e - chapter 9 - Advanced ingestion: finding data sources and building your own

apache-spark ingestion java java8 manning spark sparkwithjava

Last synced: 04 Mar 2026

https://github.com/kdubois/camelquarkusvoter

Demo that shows how to use Camel Quarkus with Quarkus Dev Services and Kafka

camel java kafka kubernetes microservices

Last synced: 05 Mar 2026

https://github.com/masecla22/Modrinth4J

A fully-compliant Java wrapper for the Modrinth API

java modrinth wrapper

Last synced: 02 Apr 2025

https://github.com/jneira/wai-servlet

Library to integrate eta wai applications with servlet api

eta-lang haskell interop java servlet wai

Last synced: 05 Jul 2025

https://github.com/lukfor/magic-progress

A java library for simple progress monitoring on the console

animated-bars java java-library progress-monitoring

Last synced: 18 Jan 2026

https://github.com/vinayalodha/elvis

Java Compiler plugin for Null safety

java null-safety

Last synced: 14 Jan 2026

https://github.com/gturri/dokujclient

Java xmlrpc client for Dokuwiki

dokuwiki java xmlrpc-interface

Last synced: 14 Jul 2025

https://github.com/ivkos/wallhaven4j

Wallhaven API for Java

android java jitpack parsing wallhaven wallpaper

Last synced: 26 Apr 2025

https://github.com/bobbui/direct-file-downloader

A simple, fool-proof file downloader

downloader fool-proof internet java

Last synced: 09 Apr 2025

https://github.com/nishkarshraj/maven-using-cmd

Create a project in Java using Apache Maven Build tool via Command Line and use GitHub Actions to build it on remote Docker Engine.

apache build-automation cmd command-line command-line-tool css dependabot devops html java maven maven-repository

Last synced: 13 Oct 2025

https://github.com/stevekung/indicatia

A small quality of life mod!

forge indicatia java lightweight minecraft qol utilities

Last synced: 09 Oct 2025

https://github.com/cumulocity-iot/cumulocity-dynamic-mapper

The ultimate Mapper for building the bridge between any Message Broker and Cumulocity IoT in a zero-code approach!

agent angular cumulocity-agent cumulocity-iot cumulocity-microservice cumulocity-package iot iot-analytics java microservice mqtt server-side-agent typescript

Last synced: 15 Apr 2026

https://github.com/haxe4e/haxe-studio

Eclipse based IDE for the Haxe programming language

eclipse editor haxe ide java

Last synced: 01 Feb 2026

https://github.com/fgksgf/minesweeper

:bomb: 扫雷游戏

game java minesweeper swing-gui

Last synced: 11 Oct 2025

https://github.com/dabit3/api-gateway-lambda-in-various-runtimes

Examples of serverless Lambda functions integrated with API Gateway and CORS enabled

aws cors dotnet golang java serverless

Last synced: 17 Nov 2025

https://github.com/ammarlodhi255/file-compression-system

File Compression Using Huffman Coding Built in Java.

data-structures huffman-coding huffman-compression-algorithm java

Last synced: 23 Apr 2025

https://github.com/pigfly/ap_s1_2017_sample_code

Sample Code for Advanced Programming in Semester 1 2018

java java-10 java-8 javafx

Last synced: 04 Feb 2026