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/diogosouza/ecommerce-android

Android Project of Restful + MySQL + PayPal API Integration

android ecommerce java mysql paypal paypal-checkout paypal-rest-api

Last synced: 30 Apr 2025

https://github.com/eth0rium/mirage

Modern, half-finished, bytecode manipulation library aimed at the JVM

bytecode bytecode-manipulation java jvm reverse-engineering

Last synced: 10 Apr 2025

https://github.com/konloch/openircd

OpenIRCd is an easy to use zero dependency non-blocking IRC daemon written in Java.

irc irc-server ircd java java-8 nio translations

Last synced: 29 Oct 2025

https://github.com/wajahatkarim3/quizca-ui-concept

An attempt to code Quzica UI concept inspired from https://material.uplabs.com/posts/quzica-question-answer-ui-concept

android android-library animation design java material-design material-ui materialup ui view viewanimator

Last synced: 27 Mar 2025

https://github.com/oriori1703/sigmatcher

Write signatures to automatically match java classes and methods between versions

android apk java reverse-engineering

Last synced: 14 Dec 2025

https://github.com/nincodedo/ninbot

Java based Discord bot for OCW Discord using JDA

bot discord discord-bot discord-server hibernate hibernate-jpa java jda jpa spring-boot

Last synced: 07 May 2025

https://github.com/houarizegai/masprojects

Multi-agent system projects

java multi-agent multi-agent-system

Last synced: 10 Apr 2025

https://github.com/bihan001/spring-boot-rest-boilerplate

Boilerplate for building REST API using Spring Boot, Spring Data JPA and MySQL

java jpa mysql rest spring springboot web

Last synced: 10 Jul 2025

https://github.com/stimulsoft/samples-reports.java-for-java-se-and-jakarta-ee

Java samples for Reports.JAVA report generator, Java SE 1.8 and higher, native Java report engine, HTML5 Web components, Jakarta EE platform support

angular barcodes charts database excel export gauges jakarta jakarta-ee java java-se json odata pdf qr-codes reporting reports servlet sql tables

Last synced: 10 Apr 2025

https://github.com/farshidnooshi/smart-educational-assistant

Fuzzy Expert System to recommend research topic for university students based on their abilities

computational-intelligence fcl fuzzy fuzzy-expert-systems java jupyter-notebook python scikitlearn-machine-learning

Last synced: 07 May 2025

https://github.com/juliaaano/payload

Easy conversion of HTTP payloads (e.g. JSON, XML) for Java.

easy-conversion java json xml

Last synced: 18 Mar 2025

https://github.com/vladimir-dejanovic/grpc-bank-example

This is example used in my talk REST API vs gRPC. Simple example of Bank backend in gRPC with JavaFX notification client

grpc grpc-java java javafx

Last synced: 17 Mar 2025

https://github.com/reprezen/jsonoverlay

A framework for creating Java Parser + read/write API for JSON (or YAML) based languages

code-generator java json library pojo

Last synced: 14 Sep 2025

https://github.com/jonathangiles/cloud-sync

Java application that runs in background to automatically sync backup sets (from local file system) up to cloud storage containers (e.g. on Azure)

azure backup java

Last synced: 08 Mar 2026

https://github.com/simple-java-mail/smtp-connection-pool

Lightweight SMTP connection pool with clustering support, wait/release mechanism, connection lifecycle management, eager/lazy loading pool with load balancing and auto-expiry policy support

concurrency connection-pool high-performance java pool smtp transport

Last synced: 16 Jan 2026

https://github.com/stephengold/garrett

A collection of camera controllers for JMonkeyEngine

camera-controllers java jme3 jmonkeyengine jmonkeyengine3 jvm-library library open-source orbit

Last synced: 14 Apr 2025

https://github.com/davidjbrossard/java-json-pep-sdk

This project provides a Policy Enforcement Point (PEP) SDK in Java that generates a XACML 3.0 authorization request and response in accordance with the JSON Profile of XACML 1.1.

abac access-control authorization java pbac security xacml

Last synced: 28 Jun 2025

https://github.com/paarthmadan/chat-application

A multi-client, java, chat application.

chat chat-application java javafx socket-communication

Last synced: 26 Jul 2025

https://github.com/cooperly/v2flags

Absolutely ridiculous JVM flags to dial Minecraft server performance to stupid levels. (Best paired with GraalVM)

flags graalvm graalvm-flags java java-flags javaflags jvm minecraft minecraft-flags minecraft-optimization minecraft-server

Last synced: 14 Apr 2026

https://github.com/purejava/appindicator-gtk3-java

Java bindings for appindicator

application indicators java linux

Last synced: 12 Jan 2026

https://github.com/jrhea/mothra

Libp2p for dummies

c dotnet ethereum java libp2p rust

Last synced: 24 Mar 2025

https://github.com/anusikh/jvem

Java Version Manager (JVeM) is a cross-platform tool designed to simplify the management of multiple Java versions on your system

java jdk jvm nvm rust version-manager

Last synced: 10 Apr 2025

https://github.com/pzalutski-pixel/javalens-mcp

MCP server providing semantic Java code analysis for AI agents. Built on Eclipse JDT with tools for navigation, refactoring, search, and metrics.

ai-agents claude code-analysis code-intelligence developer-tools eclipse-jdt ide-tools java lsp mcp mcp-server refactoring static-analysis

Last synced: 27 May 2026

https://github.com/big-silver/ionic-pushnotification-server

Server code to send Push Notification to iOS or Android device

android apns fcm ios java push-notifications

Last synced: 05 Mar 2026

https://github.com/harrisonwelch/javamasterclass

Notes from Tim Buchalka's class entitled "Java Programming Masterclass for Software Developers" on Udemy

java java-masterclass notes tim-buchalka udemy

Last synced: 03 Mar 2026

https://github.com/zoff99/toloshare_material

ToLoShare is a cross-platform desktop application for secure peer-to-peer real-time location sharing

compose-desktop java jetbrains-compose kotlin location-sharing openstreetmap osm toxcore

Last synced: 26 Apr 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/Simsilica/IsoSurface

Infinite terrain library based on IsoSurface generation.

isosurface java jme3 jmonkeyengine jmonkeyengine3 terrain-library

Last synced: 19 Mar 2026

https://github.com/jrs296/leetcode-solutions

LeetCode Solutions of JRS296.

dsa dsa-algorithm java leetcode

Last synced: 04 Apr 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/stevenschwenke/java8workshop

Java 8 Workshop including exercises

java java-8 workshop

Last synced: 01 Apr 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/ketanchoyal/attendancemanagement

Attendance Management Application based on Barcode and GPS. Firebase Firestore is used here.

android android-application android-studio firebase firestore java

Last synced: 11 Apr 2025

https://github.com/falsepattern/gasstation

Mixin 0.8 library for 1.7.10 that works in place of other loaders too.

java library minecraft minecraft-forge minecraft-forge-mod minecraft-mod mixin mixins mod spongepowered-mixin

Last synced: 18 Mar 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

https://github.com/team846/funkylogclient

846's custom logging platform

frc frc-logging java logging logs robotics

Last synced: 08 Sep 2025

https://github.com/gamemann/simple-java-mysql-wrapper

A simple Java MySQL wrapper imported from GFL's Gitlab.

database db java mysql simple wrapper

Last synced: 18 Mar 2025

https://github.com/keremtan/carfactory

This is a fictional system software which runs on console. This system is designed to understand the uses of Template Method and Iterator Design Patterns.

design-patterns designpatterns iterator-pattern java maven patterns template-method-pattern template-pattern

Last synced: 13 Apr 2025

https://github.com/drapegnik/bst

:evergreen_tree: Binary Search Tree with console visualization on Java

binary-search-tree bsu console-visualization famcs java labs study tree

Last synced: 18 Mar 2025

https://github.com/sombriks/exercicio-spring-angular

pequena prova de conceito de um frontend angular consumindo um backend java

angular angular-material java liquibase mysql spring-boot

Last synced: 05 Mar 2026

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/nathancy/metal-slug

Metal Slug sprite 2D shooter game written in Java

fps java metal metal-slug slug sprite

Last synced: 28 Oct 2025

https://github.com/kensa-dev/kensa

A BDD testing framework for Kotlin & Java

agile-methodologies bdd bdd-framework fluent java junit5 kotlin tdd testing

Last synced: 06 Apr 2026

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/selimhorri/strategy-pattern

Design Pattern Implementation

design-patterns java strategy-pattern

Last synced: 12 Apr 2025

https://github.com/scify/icsee

ICSee runs on small portable devices (smartphones, tablets) and makes reading and object identification easier. Simply, conveniently and always available!

android assistive assistive-technology hacktoberfest java opencv special-needs video video-processing visual-impairments

Last synced: 06 Sep 2025

https://github.com/pasan-pahasara/spring-boot-crud

This Project is introduced learning Spring Boot Basic CRUD Operation.

hibernate java mysql spring-boot

Last synced: 11 Apr 2025

https://github.com/objectionary/dejump

Replaces all GOTO objects in EO program with semantically equivalent ones but without GOTO

eolang java

Last synced: 01 May 2025

https://github.com/oswaldobapvicjr/jsonmerge

Utility for merging JSON objects supporting multiple JSON providers

gson jackson java json json-merge json-merger json-org json-smart jsonpath merge

Last synced: 09 Sep 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/dizitart/jbus

An Open Source Event Bus for Java 1.6+

event-bus java weak-references

Last synced: 17 Feb 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/hibernate/hibernate-ogm-cassandra

Hibernate OGM integration with Cassandra

cassandra hibernate java

Last synced: 13 Apr 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/henryco/opalette

Android application. Use advanced color filters and create a color palette based on the image.

android android-application filter image-filters image-palette image-processing java opengl palette

Last synced: 12 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/julianmendez/jsexp

Parser in Java for Lisp S-expressions.

java parser s-expressions tu-dresden

Last synced: 18 Mar 2025

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/hashimsaffarini/data_structures_course

Complete Java Data Structures course with custom implementations, problem-solving, and clean examples. Perfect for students and self-learners.

data-structures java oop problem-solving

Last synced: 21 Jul 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/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/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/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/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/houarizegai/spocom

Sport Competition Desktop App

competition java javafx sport

Last synced: 27 Aug 2025

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/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/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/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/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/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/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/raymondxu/java-workshop

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

design-patterns java workshop

Last synced: 15 Aug 2025

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/raofin/bearburger-swing

A maven project with a pretty great UI, developed using Java Spring and Swing frameworks, JDBC template, and other technologies.

academic-project flatlaf food-management food-ordering java java-spring java-swing maven

Last synced: 27 Aug 2025

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

An example codemodder codemod

codemod codemods java

Last synced: 31 Jan 2026

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

A Fieldpapers plugin for JOSM.

fieldpapers hacktoberfest java josm openstreetmap

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/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/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