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/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/Simsilica/SimFX

Game effects library.

java jmonkeyengine jmonkeyengine3

Last synced: 19 Mar 2026

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/kavithma-thushal/socketprogramming

This is learning about Introduction of Java Socket Programming in GDSE66

java javafx simple-ui socket-programming

Last synced: 11 Jul 2025

https://github.com/hms-core/hms-5g-modem-demo

HUAWEI 5G Modem Kit sample code covers the android API of 5G Modem SDK. Guided by this demo, you can lerarn how to utilize the crowdtesting function of 5G Modem Kit to query modem parameters.

5g hms huawei java modem

Last synced: 18 Jul 2025

https://github.com/arjuncvinod/data-structures-and-algorithms

Data Structures and Algorithms implemented in different languages

c cpp csharp go java javascript python swift

Last synced: 30 Oct 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/kanugurajesh/tic-tac-toe

A simple tic tac toe app using java

batch-file java practice-project tic-tac-toe

Last synced: 24 Jun 2025

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/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/ngocbh/snake

A Snake gameplay and auto play base on BFS , A-star and Greedy Algorithm

ai algorithm astar bfs java snake

Last synced: 11 Sep 2025

https://github.com/kavithma-thushal/orm_gdse66

This is learning about ORM - Hibernate in GDSE66

java javafx mysql orm-framework

Last synced: 11 Jul 2025

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/instaclustr/icarus

Sidecar for Cassandra with integrated backup / restore

backup car cassandra database db devops java jmx kubernetes netapp-public operations ops remote rest restore side sidecar

Last synced: 14 Jul 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/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/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/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/dwolla/dwolla-v2-kotlin

Official Dwolla SDK for Kotlin/Java

dwolla dwolla-api java kotlin sdk

Last synced: 06 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/ApexStudios-Archive/FantasyFurniture

Adds Fantasy-Themed Furniture & Decorational blocks to the game

forge forge-mod java minecraft minecraft-forge minecraft-forge-mod minecraft-mod minecraftforge mod

Last synced: 27 Sep 2025

https://github.com/cicirello/interactivebinpacking

Self-guided tutorial on combinatorial optimization, the bin packing problem, and constructive heuristics, suitable for use as course assignments, or by self-directed learners.

bin-packing combinatorial-optimization constructive-heuristics courseware discrete-optimization java self-directed-learning self-guided-tutorial tutorial

Last synced: 07 May 2025

https://github.com/swimos/greenhouse

This is an advanced sample application that demonstrates deploying and running Swim on a network of Raspberry Pis and using configuration to change behavior. This version uses Docker Images for build and deployment to Azure Iot Edge devices.

arduino distributed java javascript nodejs raspberry-pi raspberrypi swim

Last synced: 08 Apr 2025

https://github.com/hexworks/caves-of-zircon

A roguelike tutorial project using Zircon which is a spiritual successor of Caves of Clojure and Trystan's roguelike tutorial.

demo java kotlin roguelike zircon

Last synced: 31 Aug 2025

https://github.com/michael-simons/neo4j-aura-quarkus-graphql

Built a GraphQL-API based on the Cypher-DSL and Quarkus.

aura graphql java neo4j

Last synced: 08 May 2025

https://github.com/mehdihadeli/spring-food-delivery-microservices

☕A practical and imaginary food delivery microservices, built with java spring, domain-driven design, cqrs, vertical slice architecture, event-driven architecture, and the latest technologies.

cloud-native distributed-systems event-driven event-driven-architecture java microservices outbox-pattern rabbitmq spring spring-boot vertical-slice-architecture

Last synced: 24 Apr 2025

https://github.com/shubh2-0/serialization-in-java

Serialization is a mechanism of converting the state of an object into a byte stream. Deserialization is the reverse process where the byte stream is used to recreate the actual Java object in memory. This mechanism is used to persist the object.

deserialization interface java java-8 java-classes object object-oriented-programming serialization

Last synced: 23 Apr 2025

https://github.com/bbossgroups/bboss-http

bboss http5一个简单而功能强大的、基于httpclient5的、去中心化的http/https负载均衡器以及http rpc框架,基于http/https协议实现客户端-服务端点到点的负载均衡和集群容灾功能,可以基于post/get/put/requestbody等方法对接调用任何基于http协议开发的微服务,包括spring cloud、spring boot、spring mvc以及其他基于http协议开发的微服务;提供streamchat方法,轻松对接各种大模型服务,实现流式对话应用;完全支持http2协议;同时还可以非常方便地实现多个文件上传服务器。可基于apollo和nacos管理服务配置参数和实现服务发现功能。

bboss java microservice sse-client stream

Last synced: 14 Jan 2026

https://github.com/OkaeriPoland/okaeri-pluralize

Simple pluralization library with support for the rules of 143 locales

i18n java pluralization translation

Last synced: 10 Mar 2025

https://github.com/st1llwater/sorting-algorithms

A Collection Of Various Sorting Algorithms In Java, Cpp, C And Golang

c cpp golang hacktoberfest hacktoberfest2021 java

Last synced: 28 Feb 2025

https://github.com/cf-toolsuite/cf-hoover

Easily aggregate accounting and snapshot usage reporting across multiple foundations

cloud-foundry java reactor spring-boot-3 spring-webflux

Last synced: 11 Jul 2025

https://github.com/netomi/uom

A library to represent quantities and perform conversions between units of measurements with double or arbitray precision.

java units-converter units-of-measurement unitsofmeasurement

Last synced: 12 May 2025

https://github.com/engineeringsoftware/jog

Pattern-Based Peephole Optimizations with Java JIT Tests

compiler java jit jit-compiler openjdk optimization pattern peephole shadow test

Last synced: 03 Sep 2025

https://github.com/omarlamin01/dairy-farm-management-system

Desktop application for managing dairy farms, built using java, javafx & MySQL

java javafx javafx-desktop-apps mysql mysql-database

Last synced: 11 Jun 2025

https://github.com/hlavki/netbeans-svuid-generator

TheNetBeans plugin that automates the generation of the serialVersionUID field.

java netbeans serialization

Last synced: 14 Jan 2026

https://github.com/mygreen/excel-cellformatter

Excelのセルの書式を解析してフォーマットするライブラリ。

excel java poi

Last synced: 16 Jan 2026

https://github.com/carmjos/aliddns-updater

简单轻量的阿里云DDNS更新器。

aliyun aliyun-ddns java

Last synced: 12 May 2025

https://github.com/f-lab-edu/show-your-worth

[연봉 4000만원 이상] 지도 기반 소셜 네트워크 서비스

graduate java jpa-hibernate mybatis spring

Last synced: 23 Apr 2025

https://github.com/correctexam/corrigeExamBack

Web app to grade your assessments anywhere

docker grade gradescope java

Last synced: 10 Mar 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/uportal-project/newsreaderportlet

Java Portlet for viewing syndicated news feeds.

java portal portlet uportal uportal-start-bundled

Last synced: 05 May 2026

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

Apache HBase Site

database hbase java

Last synced: 21 Aug 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/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/raymondxu/java-workshop

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

design-patterns java workshop

Last synced: 15 Aug 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/carlos-marrugo/bienestar-software

Sistema de seguimiento de horas hechas en actividades de cada estudiante universitario. Roles: Director, Instructor, Estudiante #springboot

clean-architecture java jwt mockito-junit-test spring sprintboot

Last synced: 11 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/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/eclipse-uprotocol/up-java

uProtocol Language Specific Library for Java

core java uprotocol

Last synced: 12 Apr 2025

https://github.com/houarizegai/spocom

Sport Competition Desktop App

competition java javafx sport

Last synced: 27 Aug 2025

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/apache/hbase-filesystem

Apache HBase Filesystem Semantics

database hbase java

Last synced: 12 Oct 2025

https://github.com/fieldpapers/josm-fieldpapers

A Fieldpapers plugin for JOSM.

fieldpapers hacktoberfest java josm openstreetmap

Last synced: 11 Oct 2025

https://github.com/kavindulakmal/microservices-springboot

Micro-Services for Online electricity bill payment System

hibernate java lombok-maven microservices mysql rest-api spring-boot

Last synced: 28 Oct 2025

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/muhammad-salem/ariia

download manager, with its RESTful API server, and web ui with angular or aurora SPA

angular ariia bootstrap-grid cookies disk download-manager http-client java java-11-http-client metalink mvc-framework okhttp restful-api streaming

Last synced: 11 Oct 2025

https://github.com/selimhorri/end-studies-project-mobile

Android app, End studies' project

android android-studio gradle java

Last synced: 15 Mar 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/jaredpalmer/jaredpalmer-vscode-extensionpack

All of my VS Code extensions .... in one extension pack

java javascript python react typescript vscode vscode-extension

Last synced: 15 Mar 2026

https://github.com/polyhedraldev/tectonic

Annotation-based Java read-only config API

config hacktoberfest java

Last synced: 17 Oct 2025

https://github.com/monarch-initiative/hpocaseannotator

Next-generation Biocuration App for annotating cases and PhenoPackets

biocuration gui java javafx

Last synced: 16 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/opentracing-contrib/java-thrift

OpenTracing instrumentation for Apache Thrift

java opentracing thrift

Last synced: 11 Oct 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/allenai/ml

Re-usable low-level ML components

crf java lombok

Last synced: 13 Oct 2025

https://github.com/aslamnazeershaikh/collegeadmissionmanagementsystem

The CollegeAdmissionManagementSystem project is a Java-based android application used by schools, colleges & institutions for various admission processes and online study material management. It's a very light weight yet highly feature-rich app. Developed by using the latest android native technologies.

admission-applications admission-portal admissions-systems android-app android-application android-material android-pdf-viewer android-sdk android-studio institute-management java pdf-document pdf-viewer school-management school-management-system

Last synced: 09 Jul 2025

https://github.com/heruan/jaxrs-range-filter

HTTP Ranged Requests for JAX-RS.

java jax-rs serve-byte-ranges

Last synced: 15 Jun 2025

https://github.com/wangji92/wdt

Convenient for Java developers to quickly query common commands

arthas java shell spring-boot spring-shell wdt

Last synced: 19 Mar 2025

https://github.com/ashish2030/leetcode-solutions

ᴛʜᴇꜱᴇ ᴀʀᴇ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴꜱ ᴏꜰ ʟᴇᴇᴛᴄᴏᴅᴇ ᴘʀᴏʙʟᴇᴍꜱ ᴅɪꜰꜰɪᴄᴜʟᴛʏ: ᴇᴀꜱʏ ᴀɴᴅ ᴍᴇᴅɪᴜᴍ

java leetcode-solutions

Last synced: 11 Apr 2025

https://github.com/grahamedgecombe/apiviz

A fork of APIviz with out of the box support for classes compiled with Java 8.

java javadoc

Last synced: 11 Apr 2025