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/raymondxu/java-workshop

Intermediate Java workshop on variables, abstraction, and design patterns ☕

design-patterns java workshop

Last synced: 15 Aug 2025

https://github.com/chen0040/java-genetic-programming

Genetic-programming framework for various genetic programming paradigms such as linear genetic programming, tree genetic programming, gene expression programming, etc

classification-algorithm evolutionary-algorithms evolutionary-computation gene-expression genetic-programming java linear-genetic-programming machine-learning optimization optimization-algorithms symbolic-regression tree-gp

Last synced: 10 Sep 2025

https://github.com/richard-austin/security-cam

CCTV Security cam NVR accessible via web directly or through Cloud. service. Run on Raspberry pi

angular cctv-monitoring dpkg dpkg-deb ffmpeg golang groovy java nvr onvif onvif-discovery ptz python raspberry-pi rtsp security-camera spring-boot spring-security ubuntu webapp

Last synced: 08 Jan 2026

https://github.com/dlr-sc/maven-tycho-demo

A sample project explaining Maven Tycho for Eclipse RCP applications.

eclipse java maven tycho

Last synced: 14 Apr 2025

https://github.com/qaf-tm/qaf-support-ws

Support project that provides ready to use steps for webservices

bdd java qaf rest rest-api test-automation testng webservices

Last synced: 08 Aug 2025

https://github.com/couchbase-examples/java-springboot-quickstart

Entry level Couchbase Java Spring Boot tutorial/demo. Steps to build a REST API to manage user profile CRUD operations..

couchbase java quickstart spring spring-boot springboot

Last synced: 20 Feb 2026

https://github.com/sormuras/idea-junit-webinar

IntelliJ IDEA and JUnit: Writing, Finding, and Running Tests

idea java junit testing

Last synced: 09 Mar 2026

https://github.com/lucasrmagalhaes/matches-simulator-java_kotlin

Sportheca Mobile DEV Week - Simulador de Partidas 🎲

android-studio dio firebase java kotlin sportheca

Last synced: 24 Aug 2025

https://github.com/pavankjadda/eshopping

eShopping application implemented with Spring Boot, Spring Security, Spring Data and Spring Session

hazelcast hibernate java mysql spring-boot spring-cache spring-data-jpa spring-security spring-session

Last synced: 26 Aug 2025

https://github.com/fracpete/multisearch-weka-package

Weka package for parameter optimization, similar to GridSearch, but with arbitrary number of parameters.

classification java machine-learning optimization plugin regression weka

Last synced: 04 Mar 2026

https://github.com/arsy786/spring-boot-roadmap

This repo serves as a thorough guide to mastering Spring Boot!

2022 guide java spring-boot

Last synced: 10 Aug 2025

https://github.com/aymane-maghouti/big-data-project

This project aims to predict smartphone prices using a combination of batch and stream processing techniques in a Big Data environment. The architecture follows the Lambda Architecture pattern, providing both real-time and batch processing capabilities to users.

apache-airflow apache-kafka apache-spark batch-processing big-data-projects hbase hdfs ingestion java lambda-architecture machine-learning postgresql-database powerbi pyspark python spring-boot streaming

Last synced: 29 Oct 2025

https://github.com/jfrog/xray-client-java

Xray Java Client

ide java jfrog jfrog-xray

Last synced: 10 Oct 2025

https://github.com/galan/verjson

A Java serializer for evolving data-structures

jackson java json-schema schema-evolution transformations

Last synced: 15 Oct 2025

https://github.com/marthym/juery

Juery is a tiny Java library to manage search and filter query from user to database.

http-requests java jooq rest

Last synced: 10 Apr 2025

https://github.com/f-lab-edu/modu-ui-market

자신만의 마켓을 만들어 물건을 판매할 수 있는 오픈마켓 서비스입니다.

java junit5 mysql spring-boot

Last synced: 12 Oct 2025

https://gitlab.com/visnow.org/VisNow

Generic visualization framework

3D java java3d scivis visnow visualization

Last synced: 17 Jan 2026

https://github.com/xtrafrancyz/acamar

Minecraft ping service with MySQL backend

java minecraft

Last synced: 14 Jan 2026

https://github.com/depromeet/ding-dong-be

Ding Dongㅣ서로의 TMI를 공유하고 친해지고 싶은 마음을 전하세요

java jpa mysql spring-boot

Last synced: 19 Apr 2025

https://github.com/dietechniker/3rdparty-privacy-proxy

Deliveres functionality to securely fetch and provide 3rd Party resources as well as proxying requests back to the 3rd Party Provider. This is the base library you use as a dependency within your own Privacy Proxy project. See the docs and the examples project to implement your own.

3rdparty-governance data-protection gdpr java library maven-dependency privacy proxy reverse-proxy spring-boot

Last synced: 12 Oct 2025

https://github.com/soneso/stellar-java-mnemonic

A Java library that can be used to create mnemonics for the Stellar Network (e.g. for your Android app)

android blockchain cryptocurrency java key-derivation mnemonic mnemonics stellar stellar-network

Last synced: 27 Apr 2025

https://github.com/apache/chemistry-cmislib

Mirror of Apache Chemistry CMISLib

chemistry csharp java library objective-c php python

Last synced: 08 Oct 2025

https://github.com/apposed/appose

Interprocess environment manager 🧊

conda deep-learning interprocess java maven pypi python shared-memory shm

Last synced: 28 Jan 2026

https://github.com/chinalhr/gungnir

Gungnir是一个基于Spring,Netty,Zookeeper的轻量级分布式RPC服务框架

java netty rpc rpc-framework spring-boot zookeeper

Last synced: 28 Jul 2025

https://github.com/davidhancu/javachallenges

Are you a beginner in Java? Or are you an expert? No matter your level of expertise, you can find challenges and project ideas here.

challenges ideas java projects

Last synced: 01 Sep 2025

https://github.com/kakarottocui/android-exam

基于Java、SpringBoot和uniapp在线考试系统安卓APP微信小程序

android java maven mysql spring-boot uniapp vue

Last synced: 28 Jul 2025

https://github.com/priyansh17/dear-diary

The App aims at helping people to fight from depression and communicate with them at a 1-1 basis alongside giving them suggestions based on their choices which will be taken from the user in various formats such as MCQ for a one time basis and Diary entries of user on a daily basis. The app aims to help mainly people who are introvert and don't share their emotions easily with others who are depressed. we aim to ulift their emotions and make world a better place for them.

android depression diary-entries emotions hacktoberfest hacktoberfest-2021 hacktoberfest-accepted hacktoberfest-starter hacktoberfest2021 java kotlin-android python3 recommendation-system recommender-engine sentiment-analysis sentiments

Last synced: 29 Oct 2025

https://github.com/panga/lite-beans

LiteBeans is implementation of the java.beans package based on the Apache Harmony project

java jdk9 jigsaw jpms

Last synced: 21 Sep 2025

https://github.com/gouravkhunger/accolib

Amazing and easy to use Accordion Library for Android built with kotlin

android android-library android-ui hacktoberfest java kotlin

Last synced: 08 Mar 2026

https://github.com/harp077/pj-ntp-server

Pure Java NTP server. Releases = https://sourceforge.net/projects/pj-ntp-server

java ntp ntp-server pure server sntp sntp-server

Last synced: 14 Apr 2025

https://github.com/liyupi/yu-ai-code-mother

编程导航 2025 年 AI + 微服务全栈新项目,基于 Spring Boot 3 + LangChain4j 构建对标大厂的 AI 应用生成平台,支持多种模式的智能代码生成、可视化编辑预览、一键部署分享、应用管理、AI 智能路由等。覆盖 AI 智能体开发、LangGraph4j 工作流、Tool Calling、SSE、Vue 3 全栈开发、Spring Cloud 微服务架构、MySQL / Redis / COS / Caffeine 存储、Nginx、多种设计模式、ARMS + Prometheus + Grafana 监控、Cursor Vibe Coding 等核心技术。 用一套教程掌握大厂级 AI 智能体开发+前后端核心技术,成为 AI 时代企业的香饽饽,给你的简历增加竞争力

ai backend deepseek frontend java langchain4j langgraph4j mysql nginx project redis springboot springcloud vue

Last synced: 31 Jul 2025

https://github.com/coding-delight-01/dsa-in-java

A beginner friendly repository made specifically for open source beginners. Contribute on this repository with valid pull requests

algorithms-and-data-structures beginner-friendly hacktoberfest hacktoberfest-accepted java

Last synced: 22 Sep 2025

https://github.com/kavithma-thushal/ginzarestaurant

Restaurant using java 11, javafx & maven

java javafx mysql

Last synced: 25 Jul 2025

https://github.com/abdelhak-zaaim/spring-boot-parcel-delivery-system

The DeliX project is a comprehensive system, designed to streamline the transport and delivery of parcels.

delivery delivery-service java jwt-authentication spring-boot spring-security thymeleaf-template-engine tracking-parcels

Last synced: 10 Apr 2025

https://github.com/revelc/zookeeper-maven-plugin

A Maven plugin for launching a ZooKeeper server for integration testing

hacktoberfest integration-testing java maven maven-plugin zookeeper

Last synced: 02 May 2025

https://github.com/saturnsvoid/java-http-botnet-frame

A HTTP bot in Java with basic commands and ability's

botnet cross-platform http http-bot java

Last synced: 13 Apr 2025

https://github.com/szpak/spock-global-unroll

Spock extension automatically enabling parametrized tests unrolling in the whole project

groovy java parametrized-tests spock spock-extension spock-plugin

Last synced: 10 Apr 2025

https://github.com/fadouse/jvmbenchmark

JVMBenchmark evaluates the performance impact of code obfuscation on Java applications using JVM 17 and JDK 17. It helps developers balance security with potential performance trade-offs.

benchmark java jvm performace-testing

Last synced: 23 Apr 2025

https://github.com/humbertodias/noaa-parse-grib-files

Java Way to download and parse GRIB files

java noaa

Last synced: 08 Sep 2025

https://github.com/opentracing-contrib/java-rxjava

OpenTracing Instrumentation for RxJava

java opentracing rxjava rxjava2

Last synced: 07 Jul 2025

https://github.com/danukarangith/vehicle-servicecenter-management_system

My First Semester Final Project (JAVAFX STANDALONE SYSTEM WITH MVC ARCHITECTURE)

css jasper java javafx regex

Last synced: 10 Apr 2025

https://github.com/notiska/kirjava

A Java bytecode library for Python.

assembler bytecode disassembler java jvm

Last synced: 10 Apr 2025

https://github.com/ethanlin-twer/java-reflection-in-action

A Chinese translation of the book Java Reflection In Action editing with gitbook.

java jvm meta-object-protocol meta-programming reflection

Last synced: 28 Oct 2025

https://github.com/finn-no/retriable-kafka-consumer

Retriable consumer pool for kafka

finn-no java kafka

Last synced: 10 Apr 2025

https://github.com/aimtiaz11/ms-sqlserver-jdbc-tester

Command line Java app to test JDBC connection to Microsoft SQL Server Database using 9.2.0 SQL Server JDBC driver.

java jdbc-connection microsoft-sql-server

Last synced: 30 Oct 2025

https://github.com/samouraidev/bech32

bech32 address format for Segwit

bech32 bip173 bitcoin java segwit

Last synced: 28 Oct 2025

https://github.com/pascalgn/jiracli

JIRA Command Line Interface

java jira-cli jira-rest-api

Last synced: 18 Mar 2025

https://github.com/exadel-inc/etoolbox-query-kit

Provides the UI and API for easily creating and transforming data queries in languages such as XPath, JCR-SQL2, etc. for the AEM ecosystem

aem aem64 aem65 exadel-martech jackrabbit java jcr jcr-sql2 lucene query xpath

Last synced: 15 Apr 2025

https://github.com/islati/commons

🧩 Plugin Development Framework for Spigot / Bukkit (Minecraft) Servers. Abstracted away all boiler plate code, now just focus on creating content 🥽

java minecraft minecraft-plugin minecraft-plugin-development

Last synced: 14 May 2025

https://github.com/dizitart/jbus

An Open Source Event Bus for Java 1.6+

event-bus java weak-references

Last synced: 17 Feb 2026

https://github.com/virgiledjimgou/android-application-for-traffic-sign-recognition

Android App APTSR is an advanced driver assistance system that recognizes and relays traffic sign information to drivers via the smartphone screen or instrument panel. APTSR systems can recognize speed limit signs, do not enter signs, and stop signs ...etc. APTSR aims to help make drivers more aware and able to make better safer driving decisions.

android-application deep-learning gps java tensorflow2 traffic-sign-classification

Last synced: 24 Apr 2026

https://github.com/rollczi/liteindex

💜 LiteIndex - Fast library for indexing box/area in space by vectors/location/position.

java optimization optimization-algorithms

Last synced: 08 May 2025

https://github.com/islamdidarmd/loadingbutton

A small utility to show loading animation inside a button

android button java kotlin loading loadingbutton ui

Last synced: 13 Jul 2025

https://github.com/stefangeyer/challonge-java

Java bindings for the Challonge API

challonge java rest tournament

Last synced: 11 Jan 2026

https://github.com/hibernate/hibernate-ogm-cassandra

Hibernate OGM integration with Cassandra

cassandra hibernate java

Last synced: 13 Apr 2025

https://github.com/apache/brooklyn-docs

Mirror of Apache Brooklyn docs

brooklyn cloud java

Last synced: 13 Apr 2025

https://github.com/madbob/gasdotto

Gestionale web-based per i Gruppi di Acquisto

gwt java management php

Last synced: 13 Apr 2025

https://github.com/smallnest/rpcx-agent

Agent to invoke rpcx services in C++, Java, Python, C#, Ruby, etc. for rpcx 2.x

cross-platform golang java rpc rpcx

Last synced: 04 Apr 2026

https://github.com/labrijisaad/car_renting_application_with_spring-boot

The car rental management system can be used by companies that manage a car rental project, note that this project only runs on a local machine, but can be modified to run on multiple machines simultaneously for more high efficiency and to serve the whole company.

css3 html5 java jpa-hibernate mysql-database springboot

Last synced: 30 Oct 2025

https://github.com/jenkinsci/jelly

Patched jelly used in Jenkins

java jelly jenkins

Last synced: 24 Jun 2025

https://github.com/yyunikov/vertx-gradle-starter

Java 8 starter application with example of using Vert.X framework, Gradle build system, profiles configuration and SLF4J

architecture gradle java sample starter starter-template vertx vertx-web

Last synced: 14 May 2025

https://github.com/psumbera/solaris-openjdk

Builds OpenJDK 9 and newer on Solaris.

java openjdk solaris

Last synced: 17 Mar 2026

https://github.com/robsonkades/uuidv7

UUIDv7 is a small, high-performance Java library for generating UUID version 7 identifiers

high-performance java jvm uuid uuidv7

Last synced: 30 Jan 2026

https://github.com/ministero-salute/it-dgc-verifier-service

The EU Digital COVID Certificate Verifier Service is part of the national backends and caches the public keys that are distributed through the DGCG. It is accessed by the Verifier Apps to update the key store periodically.

backend-service covid-19 digital-covid-certificate java

Last synced: 30 Jan 2026

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

JikesRVM binding for MMTk

java jikesrvm mmtk vm

Last synced: 10 Feb 2026

https://github.com/ardetrick/ory-hydra-refrence-java

An example/reference implementation of Ory Hydra in Java with SpringBoot. Shows the basicis of OAuth2 integraiton with OIDC. Includes a full suite of integration tests using Testcontainers.

gradle java oauth2 oauth2-authorization oauth2-provider oauth2-server oidc ory-hydra playwright playwright-java spring-boot springboot testcontainers

Last synced: 01 Mar 2026

https://github.com/thexxturboxx/blockhelper

WAILA port for a1.2.6-1.5.2

java legacy minecraft mod waila

Last synced: 04 Jun 2026

https://github.com/loweredgames/voidblock

The original Skyblock has been modernized and updated to the latest versions of Minecraft...

java maps minecraft skyblock

Last synced: 02 Apr 2026

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

Write JDBC ResultSet to Parquet File

file java jdbc parquet resultset writer

Last synced: 16 Mar 2026

https://github.com/pixee/simple-gradle-codemod-tutorial

An example codemodder codemod

codemod codemods java

Last synced: 31 Jan 2026

https://github.com/haxe4e/haxe4e

Haxe programming language support for the Eclipse IDE

eclipse eclipse-plugin editor haxe java

Last synced: 13 Feb 2026

https://github.com/jason-tung/mks21x

APCS w/ K

java

Last synced: 11 Apr 2025

https://github.com/keremtan/java-spring

This repository has basic information about Spring Framework and a sample application made with Spring Boot.

back-end dependency-injection docker-compose h2-database java postgresql-database rest-api spring spring-boot spring-framework

Last synced: 13 Apr 2025

https://github.com/sentayhu19/simple-hospital-managment-sys-with-java

This is a Hospital management system which allows patients and doctor to get registered and assign patient for selected doctors and the doctor can send req to lab and get report about the patient lab result.

java

Last synced: 11 Apr 2025