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/apache/struts1

Mirror of Apache Struts 1

java struts web-framework

Last synced: 10 Apr 2025

https://github.com/rapter1990/simplebanking

Simple Banking App (Spring Boot, Gradle, JUnit, Integration Test, Postgresql, Prometheus, Grafana, Github Actions, Postman)

ci-cd continuous-deployment continuous-integration docker docker-compose github-actions gradle grafana integration-test java junit monolith openapi postgresql postman prometheus spring-boot swagger

Last synced: 16 May 2025

https://github.com/indoqa/solr-spatial-clustering

A Distance-based Solr spatial clustering plugin

distance indoqa-library java solr spatial-clusters

Last synced: 26 Apr 2025

https://github.com/connorskees/coffea

Java decompiler written in Rust with a focus on performance

java java-decompiler jvm jvm-bytecode reverse-engineering

Last synced: 23 Mar 2025

https://github.com/aws-cloudformation/cloudformation-cli-java-plugin

The CloudFormation Provider Development Toolkit Java Plugin allows you to autogenerate java code based on an input schema.

cloudformation-cli java resources

Last synced: 06 Apr 2025

https://github.com/astefanutti/further-cdi

🔊 Going further with CDI presentation

camel cdi dropwizard java javaee metrics

Last synced: 14 Apr 2025

https://github.com/hologramlib/hologramlib

Powerful, modern packet-based Minecraft hologram library with text, item & block displays, leaderboards, and extensive customization.

entitylib hologram java minecraft minimessage packetevents papermc plugin spigot

Last synced: 05 May 2025

https://github.com/screamingsandals/screaminglib

Cross-platform library for Minecraft development. Currently WIP, but usable and we will finish it eventually

bukkit-library cross-platform-api java minecraft

Last synced: 01 Nov 2025

https://github.com/gmantele/vollt

Java libraries implementing the IVOA protocol: ADQL, UWS and TAP

adql ivoa java tap uws web-app

Last synced: 16 Jan 2026

https://github.com/cajuncoding/pdftemplating.xslfo

This is a C# .NET solution that tests and illustrates the capabilities of Xsl-FO for dynamically generating PDF documents. It provides a way to generate the XSL-FO source xml from Xslt or Razor Templating to address various development teams. And it provides basic WinForms Application that can be used to aid in developing the Xslt and Xsl-FO markup.

apache-fop azure-functions csharp fonet fop java microservice pdf-files pdf-generation pdf-rendering pdf-reports pdf-templating razor-templates razor-views serverless template-engine xsl-fo xslfo xslt xslt-template

Last synced: 16 Mar 2025

https://github.com/1farz1/leetcode

A Repo That Contains Solutions To Leet Code Problem I Solved

coding complexity java problem-solving python solutions

Last synced: 30 Oct 2025

https://github.com/hellokoding/dockercompose-springboot-nginx

A simple Spring Boot web application running behind NGINX and inside Docker containers

docker-compose java maven nginx spring-boot

Last synced: 17 Aug 2025

https://github.com/kyoripowered/adventure-platform-mod

An adapter for adventure to integrate with Fabric and NeoForge

fabric java minecraft neoforge

Last synced: 22 Aug 2025

https://github.com/faceless2/zeroconf

A very simple pure Java implementation of Multicast DNS SD (Service Discovery)

dns-sd java service-discovery zeroconf

Last synced: 07 Mar 2026

https://github.com/asyncapi/kotlin-asyncapi

Simplify event-driven API documentation for Kotlin microservices

asyncapi documentation event-driven java kotlin kotlin-asyncapi spring-boot

Last synced: 25 Jan 2026

https://github.com/gatanaso/multiselect-combo-box-flow

Multi-select-combo-box component for Vaadin

java vaadin vaadin-flow vaadin-platform

Last synced: 14 Apr 2025

https://github.com/nervosnetwork/ckb-sdk-java

Java SDK for CKB

blockchain ckb java nervos

Last synced: 07 Apr 2025

https://github.com/self-xdsd/self-core

Self's core, implemented with Java SE 11.

java oop

Last synced: 17 Aug 2025

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

Single Sign Out: Authentication Service 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: 04 Oct 2025

https://github.com/digitalpetri/strict-machine

A declarative DSL for building asynchronously evaluated Finite State Machines on the JVM

finite-state-machine fsm java state-machine

Last synced: 14 Apr 2025

https://github.com/coldnew/twse-captcha-solver-dl4j

A deeplearning based captcha solver for http://bsr.twse.com.tw/bshtm/

captcha-solver deeplearning4j java stock taiwan twse

Last synced: 12 Apr 2025

https://github.com/qala-io/java-beginner-course

Self paced course for those who want to become Java programmers

java tutorial

Last synced: 09 Mar 2026

https://github.com/ccpwcn/spring-demo

Spring框架学习与分析研究,附带可运行的引用示例,创建这个仓库的初衷,是因为网上的内容太碎片化了,我尝试来一个集大成者,在一个地方就能弄清楚所有的问题。

aop ioc java mvc spring

Last synced: 17 Jan 2026

https://github.com/jeltedeproft/Norii

A turn based strategy rpg - Java (libgdx)

2d game java libgdx open-source turn-based-strategy

Last synced: 11 Mar 2025

https://github.com/adambien/best-of-java-shorts

A selection of Java Shorts from http://youtube.com/bienadam/shorts that I sometimes present at conferences

conferences devoxx infoshare java shorts w-jax

Last synced: 29 Jul 2025

https://github.com/codelytv/java-oop-examples

Object-Oriented Programming recap with Java examples

java java8 oop oop-examples oop-principles

Last synced: 26 Apr 2025

https://github.com/okumin/influent

A Fluentd server running on the JVM

fluentd java

Last synced: 14 Jan 2026

https://github.com/masesgroup/jnet

Java/JVM suite for .NET: a comprehensive suite of libraries and tools to use Java/JVM APIs (Java, Scala, Kotlin, ...) and .NET side-by-side

clr dotnet dotnet-core dotnet6 dotnet8 java jvm kotlin netcore scala

Last synced: 07 Jun 2026

https://github.com/xdev-software/chartjs-java-model

Provides Java models for Chart.js

chartjs charts java model

Last synced: 05 Mar 2026

https://github.com/felleslosninger/efm-asic

Generic implementation of ASiC-E archives in accordance with ETSI 102 918 v1.3.1.

eformidling java library spring-boot team-eformidling

Last synced: 28 Feb 2026

https://github.com/goldmansachs/gs-xsd2bean

A dependency-free XML to Object Mapper

java mapper xml

Last synced: 11 Apr 2025

https://github.com/audiveris/proxymusic

Java mapping library for MusicXML

java marshal music musicxml xml-serialization

Last synced: 09 Jul 2025

https://github.com/stfalcon-studio/stfalconfixturer-android

Utility for developers and QAs what helps minimize time wasting on writing the same data for testing over and over again. Made by Stfalcon

android autofill autofixture fixtures java kotlin qa utility

Last synced: 10 Jun 2025

https://github.com/jakartaee/transactions

Welcome to the Jakarta EE Transactions API Project (formerly JTA)

api jakarta-ee jakartaee java transaction

Last synced: 03 Jul 2025

https://github.com/rupakg/aws-java-products-api

A serverless REST API service for products deployed to AWS. The data is stored in a DynamoDB table.

dynamodb java rest-api serverless serverless-framework

Last synced: 19 Jan 2026

https://github.com/panga/fn-native-java

Fn Project Native Java Function using GraalVM

fnproject graalvm java

Last synced: 10 Apr 2025

https://github.com/felipetomazec/lexical-analyzer

A basic Lexical-Analyzer written in Java.

compilers java javafx javafx-application lexical-analysis

Last synced: 10 Apr 2025

https://github.com/mastercloudapps-projects/asyncreactiveprogramming

This repository is intended to be a compilation of presentations, examples, links, and other resources on asynchronous and reactive programming in Java

asynchronous-programming java project-reactor r2dbc reactive-programming reactive-streams rsocket webflux

Last synced: 19 Jun 2025

https://github.com/stageguard/osumapsuggester

A OneBot bot that can provide osu!std players some appropriate beatmap (WIP)

bot java kotlin osu osugame

Last synced: 17 Jul 2025

https://github.com/marwa-eltayeb/fast-image-resizer

Javafx application to resize images and add them into folders automatically.

android-resources image-preview image-processing image-resizer java javafx-application resize-images resize-tool

Last synced: 10 Apr 2025

https://github.com/xushiyan/kafka-connect-datagen

A Kafka Connect source connector that generates data for tests

data-generator etl etl-pipeline integration-test java kafka kafka-connect performance-test

Last synced: 22 Mar 2025

https://github.com/horoc/treetops

Fast LightGBM tree model inference Java library which is based on ASM dynamic code generation framework.

asm bytecode inference java lightgbm machine-learning

Last synced: 14 Apr 2025

https://github.com/igr/hey-you

Face detection, face recognition and gender detection with OpenCV

face-detection face-recognition gender-recognition java opencv

Last synced: 22 Mar 2025

https://github.com/rozidan/logger-spring-boot

A Spring Boot @Loggable annotation that will help you log your application more easily

annotations aop java spring-boot

Last synced: 12 Jan 2026

https://github.com/troyzhxu/xjsonkit

超轻量级 JSON / JSONB / XML / YAML 解析门面 API,用法简单,使业务代码不依赖具体实现,解耦神器!

java json jsonb xml yaml

Last synced: 12 Apr 2025

https://github.com/extrawest/Charge-Point-Simulator-via-OCPP-2.0.1

This is a emulator for huge numbers of charge points, that connect to central system through web socket and implement OCPP 2.0.1

charger docker dockerfile java jetty maven ocpp ocpp201 simulator spring spring-boot websocket

Last synced: 04 Sep 2025

https://github.com/opensearch-project/asynchronous-search

:arrow_forward: Run queries in the background and retrieve partial results along the way

async asynchronous java long longrunning partial poll search timeouts

Last synced: 09 Apr 2025

https://github.com/e-candeloro/SAURUSS-Autonomous-Drone-Surveillance

An autonomous drone and sensor based surveillance system that use a Tello Drone, an Arduino, a Raspberry Pi and an Android smartphone.

3d android-app arduino aruco-markers autonomous-drone autonomous-vehicles c-language computer-vision drone finite-state-machine intrusion-detection iot java opencv python surveillance telegram tellodrone yolo

Last synced: 21 Apr 2025

https://github.com/rhwood/jinputvalidator

Java Swing InputVerifier that adds an icon and tooltip to the component for invalid states.

java swing swing-component

Last synced: 14 Jan 2026

https://github.com/iuv/square

造一个方形的轮子

framework ioc java

Last synced: 17 Sep 2025

https://github.com/bahmanm/persianutils

A collection of utilities for Scala/Java developers who are targeting Persian (Farsi) speaking users.

date farsi java localization scala

Last synced: 01 Aug 2025

https://github.com/notakamihe/ecommerce-angular-spring

Built with the Spring Boot backend and the Angular frontend, this project is an e-commerce app where users can register, login, change profile, view products, view a product in detail, and add products to the cart.

angular full-stack java spring-boot typescript

Last synced: 28 Jun 2025

https://github.com/imagej/napari-imagej

Use ImageJ functionality from napari

fiji imagej java napari python

Last synced: 01 Aug 2025

https://github.com/m1rza-s/Cellsim-2

Simulating complete lives of different cellular animals and plants. Evolution, inheritance, predation and more.

2d-graphics animal-behavior breeds cellsim cellular-automata cellular-automatons cellularautomata emergent-behavior evolution java javafx mutations simulation zero-player-game

Last synced: 16 May 2025

https://github.com/ucloud/ufile-sdk-java

UCloud 对象存储官方 SDK

java library object-storage ucloud-sdk

Last synced: 06 Apr 2025

https://github.com/ibmstreams/streamsx.topology

Develop streaming applications for IBM Streams in Python, Java & Scala.

ibm-streams java python python-3 scala stream-processing streaming-topologies toolkit

Last synced: 01 Jul 2025

https://github.com/thundernet8/elune

🤔 Elune project

bbs forum java razor

Last synced: 01 Sep 2025

https://github.com/hoijui/rezipdoc

Repack uncompressed & diff visualizer for ZIP based files stored in git repos

cli free-software git-filter git-textconv java oseg

Last synced: 23 Mar 2025

https://github.com/EvelynSubarrow/Stormrunner

A set of modifications to run Lego Mindstorms' Stormrunner as a standalone application

game java lego-mindstorms stormrunner templar

Last synced: 02 Sep 2025

https://github.com/pawandubey/griffin

speedy and simplistic static site generator.

griffin java static-site-generator

Last synced: 07 Mar 2026

https://github.com/stephenh/joist-java

a Java orm based on code generation

java mysql orm postgresql

Last synced: 21 Mar 2025

https://github.com/davidgutierrezrubio/jmathanim

A Java library to make mathematical animations

animation java mathematics

Last synced: 11 Jan 2026

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

Apache Maven Project Parent POMs

build-management java maven

Last synced: 05 Apr 2025

https://github.com/thibautbessone/DiscordBlueBot

Customizable soundboard bot for Discord, along other useful commands

bluebot bot discord java jda soundboard

Last synced: 10 May 2025

https://github.com/zxcvbnmzsedr/apidoc

通过JavaDoc生成OpenAPI文档

doc java javadoc swagger

Last synced: 11 Jan 2026

https://github.com/pillowmc/pillow

Run Fabric or Quilt Loader on ModLauncher. No releationship between Python library PILlow.

fabricmc java java-17 minecraft mod neoforge quiltmc

Last synced: 12 Apr 2025

https://github.com/houkunlin-starter/system-dict-starter

系统数据字典自动翻译成字典文本。可集合系统数据库中存储的用户数据字典,也可使用枚举做系统数据字典,主要用在返回数据给前端时自动把字典值翻译成字典文本信息。

java

Last synced: 12 Jan 2026

https://github.com/carlanton/mpd-tools

DASH MPD tools for Java

dash java mpd

Last synced: 14 Jan 2026

https://github.com/fofapro/fofa-java

A Java version of the SDK, based on the FOFA Pro API, makes it easy for Java developers to quickly integrate FOFA Pro into their projects.

fofa java

Last synced: 13 Jun 2025

https://github.com/italia/spid-spring

SPID extension for Java Spring

java spid spring

Last synced: 08 Apr 2026

https://github.com/cl7/battlecity

Java Swing project to simulate classic 2D tank game. Supports Two player local game server. A* algorithm for AI.

battle-city java java-swing multiplayer player tank-game

Last synced: 21 Mar 2025

https://github.com/mvp4g/mvp4g

A framework to build a gwt application the right way

clientside eventbus gwt java mvp mvp4g

Last synced: 13 Apr 2025

https://github.com/windup/windup-rulesets

Windup rules and rulesets contributed by community.

java migrations rules ruleset xml

Last synced: 11 Apr 2025

https://github.com/genexuslabs/javaclasses

GeneXus Standard Classes for Java and Android generators.

for-genexus-web-app generator genexus java maven standard-library

Last synced: 29 Aug 2025

https://github.com/kotools/samples

Gradle plugin that inlines read-only Kotlin and Java code samples into Dokka documentation, ensuring they are always correct and visible not only online but also in IDEs.

dokka gradle java kotlin

Last synced: 02 Apr 2026

https://github.com/appwrite/playground-for-kotlin

Simple examples that help you get started with Appwrite + Kotlin (=❤️)

android appwrite hacktoberfest java kotlin

Last synced: 02 Mar 2026

https://github.com/vankka/dependencydownload

A Java library (& Gradle plugin) to download dependencies during runtime with ease

dependency-management gradle-plugin java

Last synced: 16 Mar 2025

https://github.com/mariazevedo88/travels-api

API for Travels Management - UFLA Comp Jr/20 anniversary event

api api-restful api-service http http-rest-api java java-11 java11 medium-article rest rest-api restful-api

Last synced: 10 Apr 2025

https://github.com/piyushwani004/hospitalmanagementsysyem

Hospital management system project in java using JSP, servlet, Mysql, and Netbeans. Its using java as core technology and Mysql as backend to manage the data records.

bootstrap4 css3 java jsp-servlet

Last synced: 12 May 2025

https://github.com/mondain/jets3t

JetS3t (pronounced "jet-set") is a free, open-source Java toolkit and application suite for Amazon Simple Storage Service (Amazon S3), Amazon CloudFront content delivery network, and Google Storage for Developers.

aws cloud cloudfront google-storage java s3

Last synced: 12 May 2025

https://github.com/Perry961002/Algorithms-LeetCode

:art:I practiced some LeetCode's algorithm problems with C++, Java, Python and Go, and also implemented some classical algorithms.

algorithmic-trading c-plus-plus go java python3

Last synced: 07 May 2025

https://github.com/shubham16g/simplewallpaperapp-android

A simple demo wallpaper app which contains wallpaper links (json file) in assets folder.

android android-app android-application androidapp androidapplication demo-app java wallpaper wallpaper-app wallpaperapp wallpaperapplication

Last synced: 12 Apr 2025