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/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/opentracing-contrib/java-thrift

OpenTracing instrumentation for Apache Thrift

java opentracing thrift

Last synced: 11 Oct 2025

https://github.com/kavithma-thushal/bashicomputershop-layered

Computershop using java 11, javafx & maven in Layered-Architecture (Layered Coursework)

facade-pattern java javafx layered-architecture mysql strategy-pattern

Last synced: 12 Oct 2025

https://github.com/apache/sling-org-apache-sling-servlets-post

Apache Sling Default POST Servlets

java servlets sling

Last synced: 19 Oct 2025

https://github.com/infinispan-demos/vertx-api

Example that creates a REST, PUSH API and a Clustered Application with Vert.x and Infinispan

clustering infinispan java react vertx vertx-web

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/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/mariazevedo88/json-formatter-validator

Java tool for JSON validation via string or file and correction of invalid JSON-like string

coveralls gson jacoco java java-8 java8 json json-formatter json-formatters json-validation junit5 string-manipulation

Last synced: 29 Jul 2025

https://github.com/hvdwolf/fet

A simple tool that adds some extra functionality to your FYT car head unit.

android fyt java sc9863 shell uis7862 uis8581 ums512

Last synced: 14 Apr 2025

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/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/kakarottocui/ssm-jiaowusys

基于JAVA的SSM框架的教务管理系统

java mysql ssm

Last synced: 28 Jul 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/dwolla/dwolla-v2-kotlin

Official Dwolla SDK for Kotlin/Java

dwolla dwolla-api java kotlin sdk

Last synced: 06 Apr 2025

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/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/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/hardiksinghbehl/budget-pkce-spring-boot

Budget Proof Key for Code Exchange (PKCE) implementation using Java Spring-boot

java pkce pkce-authentication proof-key-for-code-exchange spring-boot spring-security

Last synced: 19 Aug 2025

https://github.com/anuken/ludumdare46

Ludum Dare 46 entry

html5-game java ludum-dare ludum-dare-46

Last synced: 10 Mar 2026

https://github.com/grkvlt/iterator

Iterated Function System Explorer

2d fractal geometry ifs java maths swing-gui

Last synced: 15 Apr 2025

https://github.com/akhilerm/castle

An open source implementation of the Google Foobar challenge

bash docker foobar google-foobar java jquery-terminal laravel online-compiler python shell

Last synced: 23 Mar 2025

https://github.com/apache/hbase-site

Apache HBase Site

database hbase java

Last synced: 21 Aug 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/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/eclipse-uprotocol/up-java

uProtocol Language Specific Library for Java

core java uprotocol

Last synced: 12 Apr 2025

https://github.com/rjrudin/slush-marklogic-spring-boot

slush generator for an Angular/Spring Boot/MarkLogic application

angular gradle java java-middle-tier marklogic slush-generator spring-boot

Last synced: 05 Oct 2025

https://github.com/didinj/spring-boot-mongodb-angular5-java-crud

Spring Boot, MongoDB and Angular 5 CRUD Java Web Application Example

angular angular5 angularjs application boot crud example java mongo mongodb spring spring-boot tutorial web webapp

Last synced: 08 Jul 2025

https://github.com/dvoraka/av-service

Network file service with replication and anti-virus checking

amqp anti-virus database file-services java jms kafka replication rest solr spring spring-boot storage

Last synced: 16 Jan 2026

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: 26 Feb 2025

https://github.com/chaosdorf/meteroid

Meteroid is a small Android application to manage your account in https://github.com/chaosdorf/mete

android-application hacktoberfest java mete

Last synced: 07 Apr 2025

https://github.com/hereliesaz/ideaz

Mobile development that feels like it's just you and your IDEaz -- The Post-Code IDE for Android.

android android-app android-ide flutter java javascript kotlin mobile-ide react-native webapp website

Last synced: 06 Jun 2026

https://github.com/mchernyakov/various-ttl-map

Thread-safe map (cache) with various time to live of keys

cache java map thread-safe-cache thread-safety ttl ttl-cache ttl-map

Last synced: 07 Apr 2025

https://github.com/f-lab-edu/jshop

이커머스 웹서비스를 만들어보고 성능 테스트를 진행해 병목을 제거해 성능을 최적화해보는 프로젝트

grafana java mysql8 ngrinder redis spring-boot

Last synced: 01 Jul 2025

https://github.com/rameshmf/j2ee-design-patterns

Repository for J2EE design patterns with examples.

design-patterns j2ee java

Last synced: 03 May 2025

https://github.com/bonigarcia/selenium-jupiter-examples

Test examples using Selenium-Jupiter, Selenium WebDriver, and JUnit 5

appium docker java jenkins junit5 selenium selenium-grid selenium-webdriver testing vnc

Last synced: 23 Mar 2025

https://github.com/borfast/arrispwgen-android

Arris Password of the Day Generator for Android

android arris-modem arris-password java password-generator

Last synced: 27 Feb 2025

https://github.com/kapilyadav-dev/censory

Censored word library, Ban abusive words

abuse-detection androd censored-words java

Last synced: 12 Apr 2025

https://github.com/cjminecraft01/cjcore

The core mod for all of my other mods

api forge forge-mod java java-8

Last synced: 07 Apr 2025

https://github.com/rainu/pdf-template

This project shows how to generate a PDF from a thymleaf-template.

css demo html java pdf-generation pdf-template

Last synced: 16 Apr 2025

https://github.com/apache/servicemix5

Mirror of Apache ServiceMix 5

java network-client network-server osgi scala servicemix xml

Last synced: 23 Jul 2025

https://github.com/lijiahangmax/orion-ops-extension-plugins

此项目为 orion-ops 的拓展插件仓库, 目前仅包含了机器监控数据采集端

alarm alarms java metrics monitor monitoring orion-ops oshi

Last synced: 16 Apr 2025

https://github.com/pspdfkit/pspdfkit-android-simple-example

Simple PSPDFKit for Android example app

android java kotlin pdf pspdfkit

Last synced: 08 Jul 2025

https://github.com/oussamabonnor1/firebasechatapp

a simple android app that uses FireBase and implements it's features to ensure fluent messaging functions.

android-application android-studio authentication chat firebase java json messaging nosql server telegram xml

Last synced: 02 May 2025

https://github.com/mehmettemizkan/learningjava

This repo contains demo programs written in Java.

java mehmettemizkan

Last synced: 01 Sep 2025

https://github.com/suryasekhar14/hacktoberfest-2021

A repository for Hacktober Fest contributions. Everyone is welcome. Fork away!

appdevelopment c cpp hacktober-fest-contributions hacktoberfest hacktoberfest-accepted hacktoberfest2021 java javascript python

Last synced: 10 Mar 2026

https://github.com/nurkiewicz/ts.class

TypeScript to Java bytecode compiler

bytecode compiler java java-bytecode-compiler jvm kotlin typescript

Last synced: 23 Mar 2025

https://github.com/ykayacan/hashing-utils

A basic Java implementation of Consistent Hashing, Rendezvous Hashing and Weighted Rendezvous Hashing.

consistent-hashing hashing java rendezvous

Last synced: 07 May 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/codegather/record_movie

一个原生视频录制flutter插件,断点续录、视频压缩等功能,采用原生实现没有依赖第三方库

audi com compress ios java objective-c video

Last synced: 13 Apr 2025

https://github.com/javaaidev/agentic-patterns

Agentic Workflow & Patterns implemented using Spring AI

agent agentic-ai java llm spring-ai spring-boot spring-framework

Last synced: 01 Mar 2026

https://github.com/cityssm/pdfFlattener

PDF Flattener - Secure PDF documents by making floating redactions and form entries permanent.

flatten java pdf pdf-flattener pdf-forms pdfbox redaction security

Last synced: 14 May 2025

https://github.com/isinhah/api-reserva-voos

API REST desenvolvida para um sistema de reserva de passagens aéreas, em que os clientes podem reservar assentos e obter tickets

java spring-boot

Last synced: 23 Aug 2025

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

DEPRECATED: Java client for the Bitmovin API, see https://github.com/bitmovin/bitmovin-api-sdk-java

analytics api-client bitmovin bitmovin-api html5-player java video-encoding

Last synced: 05 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/jcabi/jcabi-ssl-maven-plugin

SSL Plugin for Apache Maven: it generates fake SSL certificates for the testing purposes of your Java web app

java maven-plugin ssl ssl-plugin testing

Last synced: 29 Jun 2025

https://github.com/walshydev/streamdeck4j

Java library for the StreamDeckSDK

java streamdeck streamdecksdk

Last synced: 26 Oct 2025

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/tginsberg/java-timestream

A set of builders that create streams of java.time objects

java java-8 java-time stream

Last synced: 31 Aug 2025

https://github.com/jshiftio/kubernetes-maven-plugin

Maven plugin for getting your Java apps on to Kubernetes

java kubernetes maven-plugin

Last synced: 15 Apr 2025

https://github.com/fishercoder1534/randomjava

Any random Java goes here.

design-patterns examples intellij java java-8

Last synced: 15 May 2025

https://github.com/suninformation/ymate-module-oauth-connector

基于YMP框架实现的第三方OAuth授权登录模块, 目前已实现GitHub、Weibo、Baidu、Wechat、OSChina、Gitee和QQ等;

connector java module oauth2 web-mvc ymp

Last synced: 26 Jan 2026

https://github.com/shubh2-0/core-java

This repository contains three projects developed in Core Java to solve basic problem statements. The projects focus on different aspects of Core Java, including console printing, multiple-choice questions, and simple interactive problems.

abstraction class core-java encapsulation inheritance java opps polimorphism

Last synced: 23 Apr 2025

https://github.com/apache/servicemix-components

Mirror of Apache ServiceMix components

java network-client network-server osgi scala servicemix xml

Last synced: 09 Apr 2025

https://github.com/hatamiarash7/memorygame

Android Game For Kids

android game java

Last synced: 23 Apr 2025

https://github.com/fieldju/jvm-lambda-template

A template project for quickly getting started writing a Scala, Groovy, or Java Serverless Application with SAM / Cloud Formation

aws aws-lambda cloudformation gradle gradle-aws-sam-deployer-plugin groovy java lambda scala serverless serverless-application-model serverless-applications

Last synced: 09 Apr 2025

https://github.com/rockset/rockset-java-client

Official Java client library and JDBC driver for Rockset

client java realtime-database rockset

Last synced: 14 Jan 2026

https://github.com/shrhdk/theta4j

PTP/IP implementation for RICOH THETA written in Java.

java ptp ptp-ip ricoh-theta

Last synced: 19 Feb 2026

https://github.com/bvolpato/ghostme4j

:ghost: Ghost Me - Java HTTP Proxifier

anonymous java privacy proxy user-agent

Last synced: 11 Apr 2025

https://github.com/civitz/viper

A generator and a framework for injecting configurations via CDI

cdi configuration injection java javaee

Last synced: 14 Jan 2026

https://github.com/siddhesh2377/androidbox

It is an IDE Based On Node An Code Editor

andorid android-application editor ide java node node-editor

Last synced: 02 Apr 2025

https://github.com/mhyrzt/dlib-android-face-landmark

face landmark detection for Android devices with c++, dlib, java, OpenCV

android cmake dlib face-detection java opencv

Last synced: 09 Apr 2025

https://github.com/ghurtchu/fluentry

:policeman::oncoming_police_car: Manage unchecked exceptions functionally.

abstraction composition declarative-programming functional-programming java monad reflection stack-safe

Last synced: 28 Apr 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/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