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/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/OpenIPC/LoTool

Internal chip information extractor from HiSilicon HiTool

java openipc tools

Last synced: 03 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/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/rajspeaks/code-pyramid

Code-Pyramid consists of Competitive & Beginner level codes, written in different programming languages like C, C++, Java, Python.

c codewars coding-challenge data-structures dsa dsa-algorithm dsa-practice hacktoberfest java python rajdeep-das rajspeaks

Last synced: 07 May 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/ivanyu/java-agents-demo

An example of bytecode modifying Java agents done with Javassist and Byte Buddy

blog-post byte-buddy java java-agent javassist

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/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/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/fishercoder1534/randomjava

Any random Java goes here.

design-patterns examples intellij java java-8

Last synced: 15 May 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/kapilyadav-dev/censory

Censored word library, Ban abusive words

abuse-detection androd censored-words java

Last synced: 12 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/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/objectionary/eo-graphs

A few classic graph algorithms implemented in C++, Java, and EOLANG

algorithm cpp eolang graph graph-algorithms java

Last synced: 01 May 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/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/ashish2030/swagger_static_website

:octocat:🌟ᴀ ꜱᴍᴀʟʟ ᴅᴇᴍᴏɴꜱᴛʀᴀᴛɪᴏɴ ᴏɴ ᴡᴏʀᴋɪɴɢ ᴏꜰ ꜱᴡᴀɢɢᴇʀꜱ ɪɴ ꜱᴘʀɪɴɢʙᴏᴏᴛ ᴛᴏ ɢᴇɴᴇʀᴀᴛᴇ ᴅʏɴᴀᴍɪᴄ ᴅᴏᴄᴜᴍᴇɴᴛᴀᴛɪᴏɴꜱ ꜰᴏʀ ʀᴇꜱᴛꜰᴜʟ ᴀᴘɪ'ꜱ 💻 🎯🚀

docket intellij java spring-mvc swagger-ui

Last synced: 24 Feb 2026

https://github.com/shadowss/mafiacrimes

MafiaCrimes is the game about MOBS

css java php smarty

Last synced: 14 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/manticore-projects/jdbcparquetwriter

Write JDBC ResultSet to Parquet File

file java jdbc parquet resultset writer

Last synced: 16 Mar 2026

https://github.com/metaapi/metaapi-java-sdk

Java SDK for MetaApi, a professional cloud forex trading API for MetaTrader platform which supports both MetaTrader MetaTrader 5 and MetaTrader 4. Free usage tier available.

api cloud forex java metaapi metaapi-cloud metatrader metatrader4 metatrader5 mt4 mt4-api mt5 mt5-api rest trading websocket ws

Last synced: 24 Jan 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/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/apache/hbase-filesystem

Apache HBase Filesystem Semantics

database hbase java

Last synced: 12 Oct 2025

https://github.com/abdelillahbel/winiwalkandroid

WiniWalk is a fun and motivating walking app designed to turn every step into a chance to win! Whether you're a fitness enthusiast or just looking to stay active, WiniWalk provides a unique and enjoyable way to track your walking progress while giving you the opportunity to earn rewards and prizes along the way.

android-app firebase-realtime-database fitness-app idea java kotlin-android open-source steps-counter

Last synced: 17 Aug 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/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/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/arteam/dropwizard-http2-client

Dropwizard Integration with Jetty HTTP/1.1 and HTTP/2 client

dropwizard http2 java

Last synced: 25 Jun 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/reprezen/genflow

A unified framework for API code generators that work with OpenAPI, RAPID-ML and other description languages.

api api-client apidoc apidoc-generator apidocs code codegen documentation generation java openapi openapi-codegen openapi-documentation openapi-generator rapid-ml rest swagger swagger-codegen xtend

Last synced: 19 Jul 2025

https://github.com/faustinoaq/vscode-javac-linter

A Java linter for Visual Studio Code

java vscode-extension

Last synced: 12 May 2025

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/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/lslxy1021/DYB

斗鱼弹幕Demo

database douyu-barrages java mysql

Last synced: 27 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/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/pascalgn/jiracli

JIRA Command Line Interface

java jira-cli jira-rest-api

Last synced: 18 Mar 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/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/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/mieskeb/json-api-spring-boot

This project converts a normal Java object to json:api standard. More information about json:api can be found here: https://jsonapi.org/. Created and maintained by Mindware Software.

java json-api spring-boot

Last synced: 01 Nov 2025

https://github.com/rid17pawar/viitclubs

College Clubs website is developed using JSP and Servlet technologies, Bootstrap for UI, jQuery for validations and MySQL for database.

bootstrap4 club-management club-website college-clubs java jdbc jquery jsp jsp-servlet mysql servlets students

Last synced: 20 Jul 2025

https://github.com/vbauer/commons-vfs2-cifs

SMB/CIFS provider for Commons VFS

cifs-provider commons-vfs2-cifs java jcifs smb

Last synced: 14 Sep 2025

https://github.com/zelechos/pragmatic_java

Repositorio de Java para explicar, aprender, estudiar desde los conceptos mas simples a los mas complicados

annotations java javaee javase modern-java oop sockets testing

Last synced: 10 Apr 2025

https://github.com/miho/vmf-text

Powerful Grammar-based Language Modeling Framework

abstract-syntax-tree antlr antlr4 code-generation java model-driven parser unparsing

Last synced: 06 Apr 2025

https://github.com/arakelian/json-filter

High speed filtering of arbitrarily large JSON documents

filter filtering high-performance java java-8 json json-filter json-stream streaming

Last synced: 01 Aug 2025

https://github.com/dncomponents/dncomponents

Java UI web framework

gwt java javascript typescript

Last synced: 23 Sep 2025

https://github.com/younessboumlik/gestiondevente

Ce projet consiste en une application de bureau développée avec JavaFX, visant à optimiser la gestion des ventes. Elle permet de gérer divers aspects essentiels tels que les factures, les livraisons, les commandes, les clients et les produits. L'application offre une interface intuitive et facilite l'accès et la manipulation des données.

desktop-app desktop-application gui-application jar jasypt-encryptor jasypt-password java javafx javafx-application javafx-desktop-apps javafx-gui javafx-project mailtrap-api scenebuilder twilio-api twilio-sms-api

Last synced: 14 Apr 2025

https://github.com/mehditeymorian/javacompileengine

Java Compile Engine: The CompileEngine You Need for your Project!

compiler interpreter java

Last synced: 15 Jul 2025

https://github.com/younes-charfaoui/library-simulator

This is a project for the practical work of the Operating system module in The University of Ibn Khaldoun - Algeria in which we had used the notion of threads and parallelism to make a library simulator.

animation java javafx multithreading mutex-synchronisation mutual-exclusion semaphore simulator

Last synced: 30 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/coobird/simpleimageviewer4j

a simple image viewer for Java

image-viewer java java-gui swing

Last synced: 22 Mar 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/kavithma-thushal/ginzarestaurant

Restaurant using java 11, javafx & maven

java javafx mysql

Last synced: 25 Jul 2025

https://github.com/ajitsing/design_patterns

Design Patterns

design-patterns java

Last synced: 05 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/sualeh/pointlocation6709

Java support for ISO 6709 representation of geographic point location by coordinates

geolocation java java-library

Last synced: 10 Apr 2025

https://github.com/kh-bd/interp4j

String interpolation library for Java

java library

Last synced: 10 Apr 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/appform-io/signals

Loosely coupled observer pattern implementation

apache2 design-patterns java java11 observer-pattern

Last synced: 10 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/uPortal-Project/NewsReaderPortlet

Java Portlet for viewing syndicated news feeds.

java portal portlet uportal uportal-start-bundled

Last synced: 11 Mar 2025

https://github.com/patrickfav/singlestep-kdf

Implementation of the single-step key derivation function (KDF) as described in NIST Special Publication 800-56C Rev1 supporting messages digest and HMAC.

cryptography hmac java kdf key-agreement key-derivation key-derivation-function message-digest nist nist800-56 secretkey security singlestep-kdf

Last synced: 09 Apr 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/oblac/jodd-proxetta

Java Proxy library. Method parameters. Method references.

aop java proxy

Last synced: 27 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/arindam-modak/yrass-media-player

YRASS Media Player desktop application. Watch videos, movies, listen songs with cool interactive user interface and features.

desktop-app fxml gui java javafx mediaplayer

Last synced: 09 Apr 2025

https://github.com/albertlai431/Gungeon

A remake of the classic Enter the Gungeon in Greenfoot (Java Framework)!

game game-development greenfoot java object-oriented-programming

Last synced: 26 Apr 2025

https://github.com/grame-cncm/elody

Elody: a music composition environment based on a visual functional language.

java lambda-calculus music-composition

Last synced: 25 Apr 2025

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/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/bvolpato/ghostme4j

:ghost: Ghost Me - Java HTTP Proxifier

anonymous java privacy proxy user-agent

Last synced: 11 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/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