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/pavelcz/virusdefense-libgdx-port

A simple tower defense game using libGDX. Website:

game java libgdx tower-defense

Last synced: 13 Apr 2025

https://github.com/tambapps/fourier-transform-library

A Fast Fourier Transform library written in Java

fft fourier-transform fourier-transform-library java

Last synced: 04 May 2025

https://github.com/marwa-eltayeb/medicinesinventory_v2

Building out the app UI for users to add, update and remove inventory.

alertdialogbox android-application cursor java sqlite-database

Last synced: 13 Apr 2025

https://github.com/resend/resend-java-legacy

resend's java sdk

api email java sdk

Last synced: 13 Apr 2025

https://github.com/darekkay/what-the-commit

What The Commit - Plugin for IntelliJ IDEA

intellij java

Last synced: 19 Mar 2025

https://github.com/mrinalraj/flipit

Card flipping memory game built on android

android card-game java memory-game

Last synced: 22 Jun 2025

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

Install and configure java on your system.

alternatives ansible java jdk jre molecule openjdk oracle playbook system tox

Last synced: 10 Apr 2025

https://github.com/idealista/java_role

Ansible role to install Java (OpenJDK, AdoptOpenJDK and Corretto)

adoptopenjdk ansible ansible-role corretto debian docker-java java java-ansible-role java-virtual-machine jvm openjdk ubuntu

Last synced: 10 Apr 2025

https://github.com/yegor256/fibonacci

Fibonacci algorithm implemented in a few compilable languages in different programming flavors

cpp csharp eiffel fibonacci golang haskell java lisp object-oriented-programming oop performance-testing

Last synced: 27 Mar 2025

https://github.com/turbanoff/j2me-2048

Port 2048 game to J2ME platform

game j2me-platform java phone-app

Last synced: 18 Mar 2025

https://github.com/b2renger/introduction_processing

This respository is a french introduction to the Processing programming language

java processing

Last synced: 13 May 2025

https://github.com/darthmoomancer/polydev

THE project manager for neovim

c cpp html java lua neovim-plugin python rust

Last synced: 02 Sep 2025

https://github.com/hellokoding/single-sign-on-out-jwt-cookie-redis-java-springboot-freemarker

Single Sign Out, Scalable Authentication Example with JSON Web Token (JWT), Spring Boot and Redis

architecture authentication cookie freemarker java jwt redis scale single-sign-on single-sign-out spring-boot sso

Last synced: 13 May 2025

https://github.com/Consonance/consonance

Core consonance utilities for scheduling, reporting on, and provisioning VMs for workflows

aws-ec2 azure cloud cwl java openstack

Last synced: 10 Mar 2025

https://github.com/thecurle/purpuri

The Purple VM, a custom JVM in C++.

cpp interpreter java jvm stack-based

Last synced: 11 Jun 2025

https://github.com/apache/groovy-examples

Apache Groovy Examples

groovy java library

Last synced: 10 Apr 2025

https://github.com/radianceteam/everscale-client-java

Java library for TON-SDK Client

freeton java sdk ton-client wrapper

Last synced: 04 Feb 2026

https://github.com/hardiksinghbehl/otp-generation-validation-spring-boot-poc

Proof Of Concept showing OTP generation and validation technique using Java Spring-boot and LoadingCache Bean from google guava library to handle user's forgot-password flow

guava-cache java otp-generator otp-verification spring-boot

Last synced: 09 Apr 2025

https://github.com/keyvanakbary/memo

A CQRS and Event Sourcing blogging playground to explore Axon Framework

axon-framework cqrs event-sourcing java

Last synced: 26 Apr 2025

https://github.com/hewlettpackard/logger

A log parsing engine written in Java for high performance. Additionally, logger is also highly configurable.

configurable engine java logparsing logs multithreading parsing

Last synced: 26 Apr 2025

https://github.com/galigator/mattermost-client

A simple java client for the api V4 of Mattermost compatible with Mattermost 4.5 The client aim at writing java Bot for Mattermost.

bot cxfrs-service java java-8 mattermost mattermost-api mattermost-bot websocket

Last synced: 16 Jun 2025

https://github.com/carlosbritojun/jflunt

Java implementation of Domain Notification Pattern based in Flunt (.NET) developed by @andrebaltieri

ddd domain domain-driven-design java oop

Last synced: 14 Jan 2026

https://github.com/kstateome/lti-launch

Java framework for authenticating LTI launch requests from the Canvas LMS

canvas-lms java lti

Last synced: 14 Jan 2026

https://github.com/funfix/tasks

Task datatype, meant for cross-language interop (Java, Kotlin, Scala)

java kotlin scala

Last synced: 14 Jan 2026

https://github.com/shubh2-0/chatterbox

This repository contains a project focused on learning WebSockets. Explore real-time communication using Spring Boot and WebSockets. Experience instant messaging, group chat, and seamless collaboration. Enhance your skills in building interactive web applications with this hands-on project.

chatapplicationdemo css eclipse html java javascript lombok netlify real-time-app spring-boot springwebsocket vscode websocket

Last synced: 24 Jul 2025

https://github.com/java-operator-sdk/jenvtest

Kubernetes Integration Test Support for Java. Moved to fabric8 client: https://github.com/fabric8io/kubernetes-client/blob/main/doc/kube-api-test.md

java kubernetes

Last synced: 14 Jan 2026

https://github.com/DogerRain/PureJavaCoderRoad

《Java小白之路》PureJavaCoderRoad 是一个帮助【Java小白】从入门到找到一份工作所需掌握的技能教程,对标目前企业招聘要求(一线12k)。 本项目包含JavaSE、JavaEE(Spring、Mybatis、SpringCloud)、Mysql、Redis、Maven、Nginx、Linux服务器、Git、工具使用、算法 等知识点。

java learning

Last synced: 02 Apr 2025

https://github.com/floverfelt/find-and-replace-maven-plugin

Maven plugin for finding and replacing values in filenames, files, and folders.

build-management java maven maven-plugin

Last synced: 14 Jan 2026

https://github.com/xjjdog/okmind

【全】【精校】思维导图,配套详解。markdown编写即可发布,可导出图片,可在线预览

java linux map markdown markmap mind mindmap okmind python xmind

Last synced: 24 Apr 2025

https://github.com/rwth-acis/rest-ocd-services

This repository contains the OCD service of WebOCD. In the repository, java based codes of overlapping community detection algorithms (OCDA) can be found.

community-detection java las2peer ocda overlapping-community-detection rest-ocd-services webocd

Last synced: 16 Oct 2025

https://github.com/pwliwanow/fdb-pubsub

Pub/Sub built on top of FoundationDB

akka-streams foundationdb java publish-subscribe pubsub scala

Last synced: 09 Oct 2025

https://github.com/holon-platform/holon-core

Holon Platform Core module: represents the platform foundation, providing the definition of the overall architecture, base structures and APIs.

authentication authentication-backend authorization bom context core datastore holon holon-platform http java maven-bom properties rest spring spring-boot spring-security web-application web-framework

Last synced: 28 Oct 2025

https://github.com/han-yaeger/yaeger

Yaeger is Another Education Game Engine Runtime

2d-game-engine clean-code engine framework game guice java java-14 javafx oop-principles

Last synced: 26 Oct 2025

https://github.com/me4502/racquel

A collection of Minecraft cheats built to train an up-and-coming Minecraft AntiCheat

anticheat fabricmc game-cheating java minecraft

Last synced: 15 Mar 2026

https://github.com/hyperledger-labs/hlf-connector

Integrate with Hyperledger Fabric using REST and Kafka with Block and Chaincode Event emitter.

blockchain connector hacktoberfest hacktoberfest-accepted hyperledger hyperledger-fabric java kafka rest-api

Last synced: 24 Oct 2025

https://github.com/iandarwin/date4j

Code for date4j.net's simple date API, with a POM file, for upload to Maven Central.

date-calculations date-formatting date-time java

Last synced: 12 Oct 2025

https://github.com/alehatsman/lambada

Use AWS Lambda in Clojure way.

aws-lambda clojure java

Last synced: 12 Dec 2025

https://github.com/windysha/andfixproject

use three method to accomplish the java method fix

andfix android hotfix java sophix

Last synced: 17 Oct 2025

https://github.com/link-intersystems/clean-architecture-example

An clean architecture example application implemented in pure Java.

architecture clean-architecture clean-code example java

Last synced: 16 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/growthbook/growthbook-sdk-java

The Java SDK for GrowthBook (JVM, Android)

ab-testing feature-flags java sdk

Last synced: 29 Jan 2026

https://github.com/apache/qpid-protonj2

Mirror of Apache Qpid ProtonJ2

amqp amqp10 amqps apache java messaging proton qpid

Last synced: 19 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/mbarre/schemacrawler-additional-lints

Some additionnal lints for Schemacrawler

database java lints schemacrawler

Last synced: 27 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/izzelaliz/arcturus

User defined intrinsics, tailrec optimization

java javac-plugin

Last synced: 26 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/shubh2-0/basic-java

The Basic Java repository is a beginner's guide to Java programming. It includes examples and programs covering object-oriented programming, arrays, methods, and more. Whether you're new to Java or looking to strengthen your skills, this repository is the perfect resource to learn and practice Java programming concepts. 🚀📚

array boolean character class datatype float integer java java-classes object object-oriented-programming string

Last synced: 17 Mar 2026

https://github.com/codestates-seb/seb40_main_006

위치 기반 스터디 모집 플랫폼 JamIt 🍓

aws-ec2 java javascript react spring vercel

Last synced: 13 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/ashish2030/pacman-game

This is my famous packman Game

cmd fileinputstream java

Last synced: 11 Apr 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/coding-enthusiast9857/open-source-contributions

This is an open-source contribution opportunity. It is for everyone. So, Hurry up...!! Don't forget to spread love and if you like give a ⭐️

ai algorithms algorithms-and-data-structures c cpp csharp dsa games helloworld java matlab ml open-source projects python python3

Last synced: 11 Apr 2025

https://github.com/chdh/miniconnectionpoolmanager

A lightweight standalone Java JDBC connection pool manager

connection-pool java jdbc

Last synced: 15 Apr 2025

https://github.com/ingogriebsch/spring-hateoas-siren-samples

A repository that contains examples for Spring HATEOAS Siren to showcase how to use the features provided by the library.

hypermedia hypermedia-format-siren java siren spring spring-hateoas spring-hateoas-siren spring-mvc spring-web spring-web-mvc spring-webflux

Last synced: 07 Aug 2025

https://github.com/sabyasachi-seal/codinginjava

This is where I keep the Java Codes I Practice

dsa java learning practice

Last synced: 01 Jul 2025

https://github.com/loohp/holomobhealth

Display Mob Health above head through packets!

java minecraft papermc spigot-plugin spigotmc

Last synced: 07 Sep 2025

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

HUAWEI Awareness Kit provides your app with the ability to obtain contextual information including users' current time, location, behavior, audio device status, ambient light, weather, and nearby beacons. Your app can gain insight into a user's current situation more efficiently, making it possible to deliver a smarter, more considerate user experience.

android awareness consciousness geofence hms java

Last synced: 01 Aug 2025

https://github.com/comidan/heartbeatprotocol

Heartbeat protocol written in Java, working over UDP

heartbeat-protocol java network udp

Last synced: 14 Apr 2025

https://github.com/zoff99/java_toxclient_example

TRIfA Desktop - a Java Tox Client

java linux macos messaging tox toxcore

Last synced: 02 Aug 2025

https://github.com/geysermc/erosion

Offloads Geyser work to backend servers to save on memory consumption

geyser geysermc java minecraft

Last synced: 15 Apr 2025

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

Swip - Plugin for IntelliJ IDEA that can create a fully functional (Spring Boot) WebApp with just a few clicks

freemarker intellij java jetbrains plugin spring-boot

Last synced: 23 Sep 2025

https://github.com/waylau/java-data-structures-and-algorithms-in-action

Java Data Structures and Algorithms In Action. Java数据结构和算法实战

algorithms java junit

Last synced: 23 Mar 2025

https://github.com/wobblyyyy/pathfinder2

Paths, trajectories, splines, the number 2, and a whole lot of swag.

challenge competition first frc ftc java library pathfinder robotics

Last synced: 23 Aug 2025

https://github.com/nvuillam/njre

Easily install and use JRE from a Node application.

adoptopenjdk java javaw jdk jre openjdk

Last synced: 29 Jun 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/uglyoldbob/jni-min-helper

Minimal helper for `jni-rs`, supporting dynamic proxies, Android dex embedding and broadcast receiver. Used for calling Java code from Rust.

android invocation java proxy

Last synced: 08 Jun 2026

https://github.com/theseems/clinq

Experimental validation mini-framework

declarative java token validation

Last synced: 13 Apr 2025

https://github.com/huichuanli/visible-algoritme-java

实现算法可视化使用java + swing<Play Data Structures in Java>. 《Java语言玩转数据结构》代码。

algorithms java swing swing-gui

Last synced: 26 Jun 2025

https://github.com/goodforgod/dummymaker

🧰 Generates random Java Classes/Records for you.

bean data dto dummy easy-random entities export factory fill generate java pojo random random-generation record

Last synced: 20 Mar 2025

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/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/shaishavgandhi/navigator

Annotation processor that eliminates navigation and Bundle boilerplate

activity android annotation-processor boilerplate bundle fragments java navigation

Last synced: 13 Apr 2025

https://github.com/mkalus/sw-talenttree-generator

Star Wars RPGs PDF Talent Tree Generator

hacktoberfest java penandpaper rpg-tool starwars

Last synced: 24 Dec 2025

https://github.com/mweirauch/metrics-jvm-extras

A set of additional metrics complementing Dropwizards metrics-jvm.

dropwizard java jvm metrics

Last synced: 10 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/tmatz/android-unistroke-keyboard

Unistroke Handwriting Input Method for Programming

android android-aide gesture handwriting-recognition input-method java

Last synced: 18 Jan 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/sormuras/hello-world-java-action

A template to demonstrate how to build a Java action.

actions github github-actions java

Last synced: 10 Apr 2025

https://github.com/ghillert/image-metadata

Examples for processing image metadata using Java

graalvm image-processing imagemetadata java spring springboot

Last synced: 10 Apr 2025

https://github.com/apache/sling-org-apache-sling-feature

Apache Sling OSGi Feature Model

java osgi osgi-feature-model sling

Last synced: 23 Feb 2026

https://github.com/apache/geronimo-txmanager

Mirror of Apache Geronimo txmanager

geronimo http java javaee network-server web-framework

Last synced: 10 Apr 2025

https://github.com/danny02/jopenctm

Java implementation of the openCTM Mesh compression file format

3d-models compression format java openctm opengl

Last synced: 05 Jul 2025