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/pradyuman7/algorithmics

A Java library for people who want to implement some algorithms quickly.

algorithms competitive-programming hacktoberfest hacktoberfest2022 java java-library

Last synced: 14 Apr 2025

https://github.com/microcks/microcks-quarkus

Quarkus extension that enables embedding Microcks as a DevService managing mocks for dependencies and contract-testing your API endpoints

api contract-testing devservices java microcks microservices mocking quarkus

Last synced: 13 May 2025

https://github.com/duosecurity/duo_universal_java

Duo OIDC-based two-factor authentication for Java web applications

duo java mfa

Last synced: 06 Apr 2025

https://github.com/yuweaec/hacktoberfest-playground

This repository is for anyone who is new to open source and coding. Everyone is welcome to contribute, whether in coding or non-coding areas. Your pull request will be accepted if it follows the code of conduct. Do join our Discord - https://discord.gg/KY7s2dpF server

beginner c cpp dsa hacktoberfest hacktoberfest-2024 hacktoberfest-accepted hacktoberfest2024 hacktoberfest24-accepted java python

Last synced: 06 Aug 2025

https://github.com/monogramm/spring-rest-api-starter

:coffee: A "simple" starter project custom RESTful API using Spring.

java spring spring-boot spring-data spring-security starter-kit

Last synced: 13 Jul 2025

https://github.com/vincentrussell/java-ini-parser

The java-ini-parser is a java utility for parsing ini files.

ini java parser

Last synced: 08 Mar 2026

https://github.com/nuhu-ibrahim/time-table-scheduling

A time table scheduling system using genetic algorithm

genetic-algorithm java javase table-scheduling timetable-generator

Last synced: 10 Apr 2025

https://github.com/cutr-at-usf/hart-gtfs-realtimegenerator

Desktop application that retrieves AVL data from Hillsborough Area Regional Transit (HART)'s AVL system and produces Trip Updates and Vehicle Positions files in GTFS-realtime format.

avl gps gtfs gtfs-realtime-data hart java protocol-buffers public-transportation transit

Last synced: 21 Sep 2025

https://github.com/ahmadjajja/_dsa_

This repository contains Java code that I have written to solve DSA problems on LeetCode. Each solution is organized by DSA concept and is meant to showcase my understanding and proficiency in implementing these concepts. The purpose of this repository is to serve as a reference for everyone who is interested in learning DSA through LeetCode

arrays backtracking binary-search complexity git github java linear-search linked-list linked-lists math merge-sort object-oriented-programming patterns quick-sort recursion sorting stacks-n-queues strings

Last synced: 28 Sep 2025

https://github.com/nayuki/dwite-programming-contest-solutions

Java solution programs, problem statements, and test input/output files.

competitive-programming java solutions

Last synced: 17 Sep 2025

https://github.com/tinycedar/classp

用Go开发的Java字节码解析器,和“javap”命令作用一致 Java class file parser plays the same role as "javap"

bytecode classfile java javap parser

Last synced: 27 Jul 2025

https://github.com/kontent-ai/java-packages

Delivery Java SDK for Kontent.ai including examples for Spring, Gradle, Kotlin and Java Android app

content-delivery delivery-sdk hacktoberfest headless-cms java kontent-ai kontent-ai-sample kontent-ai-tool kotlin kotlin-android

Last synced: 11 Jan 2026

https://github.com/marklogic/ml-app-deployer

Java client for the MarkLogic REST Management API

java java-library marklogic resttemplate

Last synced: 28 Jul 2025

https://github.com/dwango/slack-webhook-appender

Logback appender which posts logs to slack via incoming webhook.

java logback logback-appender slack slf4j

Last synced: 05 Feb 2026

https://github.com/zhixiangli/code-similarity

Code Similarity Detection.

java lcs similarity similarity-detection

Last synced: 09 Oct 2025

https://github.com/heutelbeck/sapl-demos

Demo, tutorial, and benchmarks for the SAPL policy engine

access-control authorization benchmark demo examples java policies sapl security spring spring-security tutorial

Last synced: 27 Feb 2026

https://github.com/vincentkims49/mobile-nutrition-app

Mobile Nutrition is an applicatiion that aims at keeping track of nutrients that the user consumes. It does so by allowing the user to select meals for the day and then gives the amount of nutrients present in the selecte meals. It also provide recipes for the selecte meals to the user.

cpp dart flutter java objective-c

Last synced: 28 Feb 2026

https://github.com/fooock/robots.txt

:robot: robots.txt as a service. Crawls robots.txt files, downloads and parses them to check rules through an API

antlr4 api crawler crawler-engine docker docker-compose gradle java kotlin makefile postgresql redis redis-stream redis-streams robots-parser robots-txt spiders spring-boot

Last synced: 14 Feb 2026

https://github.com/l-lin/dev-cheat-sheet

Some development reminders

cheatsheet golang java shell

Last synced: 29 Jan 2026

https://github.com/jackfred2/whereisit

Fabric Mod to find items in nearby inventories.

fabric java minecraft mod

Last synced: 11 Oct 2025

https://github.com/deftu/gradle-toolkit

Suite of Gradle tools made to make Minecraft modding less painful.

fabricmc gradle gradle-kotlin-dsl gradle-plugin java minecraft minecraft-mod mod

Last synced: 15 Mar 2026

https://github.com/lupcode/java-sse-client

Full implementation of a HTTP event stream client that listen for Server-Sent Events (SSE).

api event-stream http http-client java java-11 java-11-http-client library listen server-sent-events sse sse-client

Last synced: 17 Oct 2025

https://github.com/s4u/pgp-keys-map

PGP keys map to maven artifacts

hacktoberfest java maven-plugin pgp pgp-key security

Last synced: 11 Oct 2025

https://github.com/eclipse-zenoh/zenoh-java

Java APIs for zenoh

java scala zenoh

Last synced: 25 Oct 2025

https://github.com/bzdgn/product-catalog-spring-mvc-demo

A Product Catalog Demonstration Project Using Spring MVC and Mongo DB

java maven mongo mongo-db mongodb product-catalog spring spring-mvc webapp

Last synced: 24 Oct 2025

https://github.com/fooock/detect-experimental-and-beta-code

This is an IntelliJ/Android Studio IDE plugin to detect the code with @Experimental and @Beta annotations and show a custom icon on the gutter when you use it.

android android-studio androidstudio code-tools fun intellij intellij-idea intellij-plugin java java-annotations plugin plugin-extension

Last synced: 23 Oct 2025

https://github.com/shoyamanishi/androidmfcc

26-Point MFCC & 512-Point FFT Generator & Visualizer in Java, C++, and NEON intrinsics

android asr audio cpp fft java mfcc neon-simd-intrinsics spectrum visualizer

Last synced: 14 Apr 2025

https://github.com/bluecolor/octopus

Open source task scheduler with dependency management

akka cron java octopus pug quartz scala scheduler slack spring vue webpack

Last synced: 15 Aug 2025

https://github.com/learning-zone/hibernate-basics

Hibernate Basics ( v6.x )

hibernate java jdbc

Last synced: 28 Jun 2025

https://github.com/jgperrin/net.jgp.books.spark.ch10

Spark in Action, 2e - chapter 10 - Ingestion through structured streaming

bigdata book java java8 manning spark sparkstreaming sparkwithjava

Last synced: 06 May 2025

https://github.com/vic/mill-docker

Build minimalist distroless docker images for your java applications using Mill

distroless docker hacktoberfest java mill mill-module mill-plugin scala

Last synced: 22 Mar 2025

https://github.com/stefan-kolb/jaxws-samples

Small example projects using JAX-WS technologies.

examples gradle java jax-ws web-services wsdl

Last synced: 14 May 2025

https://github.com/kevin-kip/drawingpad

Android Canvas app on which you can draw and save that drawing as a PNG image.

android canvas custom-view draw java kotlin

Last synced: 09 Mar 2026

https://github.com/jroy/happybot

A multi-purpose, feature-full, and powerful, highly guild-specific, Discord Bot written in Java.

bot discord discord-bot gradle java jda spaghetti stack-traces

Last synced: 23 Mar 2025

https://github.com/c-guntur/java-handles-kata

Java Reflection and Unsafe Alternates - MethodHandle and VarHandle API - Fix broken tests in a Code Kata

codekata java java-reflection-api java-unsafe java11 java9 wax-on-wax-off

Last synced: 05 Oct 2025

https://github.com/zapodot/jackson-databind-java-optional

A shim library to support mapping Java8 Optionals through Jackson.

jackson-json-processor java java-8 optional

Last synced: 15 Aug 2025

https://github.com/woowacourse-teams/2025-festabook

🎆 Festabook ; 흩어진 정보를 하나로, 축제를 한 권에 담다 📖

android-app java kotlin react spring-boot

Last synced: 30 Aug 2025

https://github.com/jgperrin/net.jgp.books.spark.ch11

Spark in Action, 2nd edition - chapter 11 - Working with SQL

apache-spark java java8 manning spark spark-sql sparkwithjava sql

Last synced: 28 Aug 2025

https://github.com/kakarottocui/hospitalsys

基于java springboot的医院信息管理系统

java mysql springboot

Last synced: 28 Jul 2025

https://github.com/xwhqsj/calljvm

Call JVM from C/C++ in ThreadPool

cplusplus-11 java jni multithreading threadpool

Last synced: 13 Oct 2025

https://github.com/hardiksinghbehl/kafka-java-spring-boot-poc

Kafka integration with Java Spring-boot with one application serving as a producer and the other consuming the messages

docker-kafka java kafka kafka-consumer kafka-producer spring-boot

Last synced: 09 Apr 2025

https://github.com/ibrahimcanerdogan/hrms

Human Resources Management System Using React with Java

java react

Last synced: 31 Jul 2025

https://github.com/jishanshaikh4/management-platform

Data management and accessibility platform (e.g. an orphanage) based on Java Core and GUI

java project

Last synced: 06 Jul 2025

https://github.com/zeoflow/jx

JavaX improved library - JDK-8

java java-library jdk-8 jdk8 zeoflow zeoflow-library

Last synced: 14 Jan 2026

https://github.com/flipkart/foxtrot

A store abstraction and analytics system for real-time event data.

alerting analytics data-engineering data-science data-visualization elasticsearch hbase java monitoring

Last synced: 12 Dec 2025

https://github.com/nastel/tnt4j-stream-jmx

A Lightweight framework to stream and monitor JMX metrics

java jmx jmx-service monitor-jmx-metrics

Last synced: 10 Aug 2025

https://github.com/fujaba/fulib

Fulib is a library that provides code generation for UML like models and some model management functionalities.

code-generator fulib java

Last synced: 14 Jan 2026

https://github.com/WolframResearch/BioFormatsLink

Package for interacting with Bio-Formats library in the Wolfram Language

bio-formats java jlink library mathematica microscopy wolfram-language

Last synced: 08 Jul 2025

https://github.com/eliasnogueira/appium-read-qrcode

How to read QR content from an Android app using Appium and Zxing

appium appium-android java mobile-testing test-automation zxing

Last synced: 28 Oct 2025

https://github.com/fluentxml4j/fluentxml4j

A fluent API for XML parsing, serialization, XPath querying and transformation in Java.

dom fluent fluentxml4j java java8 lambda parsing query serialization transformations xml xml-parsing xpath

Last synced: 09 Sep 2025

https://github.com/jklingsporn/vertx-push-onesignal

Send push notifications asynchronously in your vertx application with OneSignal.

java onesignal onesignal-notifications push-notifications vertx

Last synced: 20 Jun 2025

https://github.com/linsir6/javanote

learning java and note it

java javase

Last synced: 10 Apr 2025

https://github.com/zaleslaw/jdbc_tutorial

30 exercises to learn JDBC API, Spring JDBC, DBUnit, Connection Pooling

java jdbc spring-jdbc

Last synced: 05 May 2025

https://github.com/alimranahmed/checkmate

A human vs human chess game build on basic JAVA.

chess java oop swing-api

Last synced: 06 May 2025

https://github.com/mimecast/robin

Debug and development tool for MTA architects! Robin is a highly configurable SMTP client for testing and debugging SMTP servers.

email java mta smtp testing

Last synced: 10 Sep 2025

https://github.com/dan6erbond/fuzzle

Expandable search engine written in Python. Models upcoming!

fuzzle java javascript python

Last synced: 19 Mar 2025

https://github.com/Selbi182/SpotifyDiscoveryBot

A Java-based bot that automatically crawls for new releases by your followed artists on Spotify. Never miss a release again!

bot crawler java music spotify spring-boot springboot sqlite

Last synced: 17 Mar 2025

https://github.com/dm-drogeriemarkt/log-capture

assertions for logging with logback

automated-testing java junit logger logging testing

Last synced: 06 Mar 2026

https://github.com/justinsdk/javase9tutorial

Java SE 9 技術手冊相關資料

java

Last synced: 08 Apr 2025

https://github.com/hmcts/chart-java

Helm chart for Java microservices

helm helm-charts java kubernetes

Last synced: 06 Jan 2026

https://github.com/esrrhs/teenpatti_algorithm

teenpatti algorithm

algorithm java teenpatti

Last synced: 26 Jul 2025

https://github.com/denizenscript/denizen-core

The core Denizen engine

java

Last synced: 09 Jul 2025

https://github.com/supertone-inc/supertonic

Lightning-fast, on-device TTS — running natively via ONNX.

cpp csharp go ios java lightweight nodejs on-device python rust swift text-to-speech tt tts web

Last synced: 24 Nov 2025

https://github.com/helins/linux-i2c.java

Use the standard Linux I2C API from the JVM

i2c iot java jna linux native rpi

Last synced: 19 Apr 2025

https://github.com/ishantk/amazon29nov2019

Amazon Chennai Training on Java and OOPS

algorithms amazon data java structures

Last synced: 01 May 2025

https://github.com/coderarjob/kpdfsync

Annotates PDF files with the highlights and notes from Kindle Clippings.txt file.

java kindle kindle-clippings kindle-highlights kindle-notes

Last synced: 03 Sep 2025

https://github.com/robtimus/ftp-fs

An FTP(S) NIO.2 file system

filesystem ftp java nio2

Last synced: 18 Apr 2026

https://github.com/uakihir0/twitter-web-client

Twitter Client Library calling WEB API.

j2objc java twitter

Last synced: 03 Sep 2025

https://github.com/hms-core/hms-wiseplay-demo

WisePlay DRM demo code provides sample program for your reference or usage. WisePlay DRM supplys a standards-based solution for content protection. It supports MPEG-DASH and HLS.

android digital-rights-management drm hms huawei java license wiseplay

Last synced: 01 Aug 2025

https://github.com/kakarottocui/unichongwuserviceapplet

基于JAVA SpringBoot和UniAPP的宠物服务预约小程序

java mysql spring-boot uniapp vue

Last synced: 28 Jul 2025

https://github.com/shaoxiongdu/java-datastructure-algorithm

用Java实现的《数据结构与算法》

datastructures java

Last synced: 14 Apr 2025

https://github.com/savantly-net/sprout-platform

A modular application framework as a Spring Boot Starter. Use as a lib in your own project, or extend the default server with modules. Roll your own UI, or extend the default UI with plugins. CMS, LOB apps, or general app use cases.

cms grafana java react spring spring-boot sprout sprout-plugins

Last synced: 01 Oct 2025

https://github.com/tychozzz/back-end-rss

📖 根据 RSS 订阅源定时抓取前沿后端相关文章,并实时更新至对应网站。来源:美团技术 / 阿里技术 / 阿里巴巴中间件 / Thoughtworks洞见 / 高可用架构 / 阮一峰的网络日志 / 有赞技术团队

cache db distributed-systems golang java jdk k8s microservice mq mysql redis rocketmq spring

Last synced: 10 Apr 2025

https://github.com/rahulsom/ihe-iti

Java codegen for the IHE ITI profiles

healthcare ihe-iti java xds

Last synced: 14 Apr 2025

https://github.com/nshalabi/coding-ghidra

Java Library wrapper for Ghidra Headless Analysis + Java Samples

ghidra ghidra-plugins headless-analysis java malware-analysis reverse-engineering

Last synced: 14 May 2025

https://github.com/hms-core/hms-image-render-java

This sample code is to guide the developer how to integrate the Image Render Sub-service in the Image Kit, achieving a variety of effects design. This sub-service provides 5 basic animations and 9 advanced 2D animations.

andorid animation hms huawei imagekit java picture

Last synced: 01 Aug 2025

https://github.com/metio/memoization.java

Java memoization library

cache java memoization memoize

Last synced: 30 Jul 2025

https://github.com/teymur-babayev/lab-7--prime-numbers-start-up

Find a good match results

java netbin

Last synced: 18 Sep 2025

https://github.com/glcas/facedemo

A demo of real-time face recognition on Android.

camerax java mobilefacenet mtcnn ncnn

Last synced: 15 Jul 2025

https://github.com/pramithamj/fully-completed-microservices-java-springboot

This project is a comprehensive microservices architecture developed using Java, Spring Boot, and Spring Cloud. Additionally, it incorporates Apache Kafka for messaging purposes.

java microservice spring-boot

Last synced: 13 Apr 2025

https://github.com/raydac/jhexed

Java Hexagonal engine

android gui hexagonal-grids java java-engine swing

Last synced: 13 Apr 2025

https://github.com/sap-samples/cloud-objectstore-java-sample

The Object Store reference application aims to provide a single-code line application, which can be run in SAP BTP, Cloud Foundry environment, consuming Object Store service with different IaaS providers underneath - e.g. AWS, GCS, Azure.

cloud-foundry java objectstore sample sample-code sap-btp sap-btp-cloud-foundry sap-cloud-platform

Last synced: 13 Apr 2025

https://github.com/stephengold/heart

A general-purpose add-on library for jMonkeyEngine (code has New BSD license)

debug java jme3 jmonkeyengine jmonkeyengine3 jvm-library library math-library mesh open-source perlin-noise platonic-solids quaternions

Last synced: 14 Apr 2025

https://github.com/oli51467/go-datastructure

围棋数据结构及其规则与状态判断逻辑实现

go goban gogame java

Last synced: 12 Apr 2025

https://github.com/minidigger/minicraft

Clean room implementation of the minecraft server (and client!) using java and netty

java minecraft minecraft-server netty

Last synced: 23 Mar 2025

https://github.com/redhat-middleware-workshops/dg8-workshop

Source for the Red Hat Data Grid 8.0 workshop content repository

infinispan java labs quarkus spring

Last synced: 05 Apr 2025

https://github.com/wmixvideo/correios

Biblioteca Java para acessar os serviços dos Correios

api correios java

Last synced: 17 Jan 2026

https://github.com/jcabi/jcabi-matchers

A few convenient Hamcrest matchers, mostly for XPath vs XHTML and fields in JAXB

hamcrest hamcrest-matchers java jaxb xml xpath

Last synced: 27 Feb 2025

https://github.com/salesforce/omakase

Java-based, plugin-oriented CSS3+ parser

ast css css-parser java salesforce

Last synced: 15 Apr 2025