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/jerady/mqttfx-payload-decoders

The default preset of MQTT.fx message payload decoder implementations based on addon-commons.

java mqtt mqttfx

Last synced: 08 Mar 2026

https://github.com/zafir100100/quizapp-java

The "QuizApp-Java" repository on GitHub is a Java-based project that allows developers to create a quiz application with various features, such as multiple-choice questions, timers, and score tracking. The repository includes the source code for the project, as well as documentation on how to use and customize the quiz application.

gui java java-swing multiple-choice-questions netbeans quiz-application score-tracking

Last synced: 19 Apr 2025

https://github.com/arquillian/arquillian-cube-q

Fault injection and chaos testing all in one, sweet DSL.

chaos-monkey docker java jvm testing

Last synced: 20 Aug 2025

https://github.com/pscheidl/fortee

Jakarta EE / Java EE fault-tolerance guard leveraging the Optional pattern. Its power lies in its simplicity.

annotations cdi-extension fault-tolerance jakartaee java javaee simplicity

Last synced: 27 Jul 2025

https://github.com/openjdk/jfx11u

JavaFX 11.x : last released 2023-07-19

java javafx openjdk

Last synced: 05 Oct 2025

https://github.com/yiding-he/redisfx

A JavaFX Client for Redis

client gui java javafx redis

Last synced: 27 Oct 2025

https://github.com/rodrigorvsn/buda

📚️ My Software Engineer arsenal with Data Structures, Algorithms, Design Patterns, Concepts, etc.

algorithms competitive-programming data-structures-and-algorithms design-patterns docsify java python software-engineering solid tdd typescript vitest

Last synced: 18 Aug 2025

https://github.com/birddevelper/salmos-report-spring-boot-starter

A useful simple to use spring-boot library that help you to build beautiful html table, xml document, PDF or any other formats with very specific features from sql or list of objects

generator hibernate html java jdbc jdbctemplate pdf report reportgenerator spring spring-boot xls xml

Last synced: 04 Mar 2026

https://github.com/hezhii/algorithm

学习《算法》(第四版)过程中的一些笔记、练习等。

algorithm java

Last synced: 10 Aug 2025

https://github.com/kennedyoliveira/ultimate-pastebin-intellij-plugin

Ultimate IntelliJ IDEA Plugin, PasteBin Plugin for IntelliJ

intellij java open-source pastebin pastebin-plugin pastebin-service

Last synced: 27 Jul 2025

https://github.com/jain131102/neocolab

CSE3004_Design and Analysis of Algorithms Lab_ NEOCOLAB

daa java neocolab vit

Last synced: 02 Aug 2025

https://github.com/javadev/calculator

The java/swing, javascript, android calculator

calculator-java calculator-java-swing java

Last synced: 05 Oct 2025

https://github.com/miteshputhran/food-wastage-management

Food Wastage Management: Providing a simpler means of collecting the leftover food from restaurants and distributing the same to those in need

db4o ecosystem-model java jfreechart

Last synced: 23 Aug 2025

https://github.com/marschall/jdeps-maven-plugin

maven plugin that runs the 8 jdeps tool

java jdeps maven

Last synced: 17 Aug 2025

https://github.com/warlord27/javaprob

JavaProb is a comprehensive repository dedicated to solving a wide range of tricky and concept-rich Java problems. Whether you're preparing for technical interviews, enhancing your problem-solving skills, or just looking to dive deeper into Java’s core and advanced topics, this repository is designed with you in mind.

dsa dsa-algorithm dsa-practice java java19 java21 java8 problem-solving-algorithms question-answering

Last synced: 13 Aug 2025

https://github.com/sap/ai-sdk-java

Integrate chat completion into your business applications with SAP Cloud SDK for AI. Leverage the Generative AI Hub of SAP AI Core to make use of templating, grounding, data masking, content filtering and more. Access all features of SAP AI Core with the SAP Cloud SDK for AI.

ai chat gen-ai java sap-ai-core

Last synced: 20 Feb 2026

https://github.com/sachinl0har/basic-calc

Command Line Basic Calculator

calculator cli-calculator java python

Last synced: 28 Jul 2025

https://github.com/jetty-project/http2-demo

Demonstration of HTTP/2 Push using Jetty Server

http2 http2-push http2-server java java-11 jetty

Last synced: 05 Oct 2025

https://github.com/openjdk/jmc7

https://openjdk.org/projects/jmc

java jmc mission-control openjdk

Last synced: 05 Oct 2025

https://github.com/twelvet-projects/netty-websocket-spring-boot-starter

(Based on Netty's WebSocket)基于Netty作为底层实现的Spring Boot Starter轻量级、高性能WebSocket框架,支持多端口,多路径,SSL,jdk >= 1.8 (兼容Spring Boot 3)

java netty spring-boot websocket

Last synced: 14 Apr 2025

https://github.com/qingshan/dotfiles

My dotfiles for macOS and Linux: Development environment for Rust / Go / Java, Configuration for vim / fish / i3 / tmux.

alacritty cheatsheets debian development-environment dotfiles fish-shell fzf go i3 ideavim intellij-idea java linux macos manjaro regolith rust terminal tmux vim

Last synced: 26 Sep 2025

https://github.com/paritytrading/foundation

Utility library for network protocols on the JVM

java networking

Last synced: 16 Jul 2025

https://github.com/astavie/from-the-ground-up

A Minecraft mod that adds research

ftgu java minecraft minecraftforge mod

Last synced: 27 Sep 2025

https://github.com/mahozad/jlayer

Mirrored from http://www.javazoom.net/javalayer/javalayer.html

java jlayer mp3 mp3-converter mp3-decoder mp3-files mp3-player mpeg

Last synced: 10 Aug 2025

https://github.com/kilianb/java-sonos-controller

Sonos controller api with UPnP event support. Examples show text to speech on speakers and local music file playback.

controller java sonos upnp

Last synced: 15 Aug 2025

https://github.com/utsanjan/greenhouse

GreenHouse Blog is an innovative Java-based social media Android app crafted for effortlessly sharing college updates and engaging gossip

android android-studio blog collegeblog greenhouse java social social-media

Last synced: 18 Sep 2025

https://github.com/hms-core/hms-ads-severdemo

HMS ads java severdemo demonstrates how to use java code to invoke the restful API of the HMS Ads Kit.

ads hms huawei java sever

Last synced: 08 Aug 2025

https://github.com/premium-minds/wicket-crudifier

wicket-crudifier is a library to easily create CRUD's with wicket

crud java wicket

Last synced: 30 Jul 2025

https://github.com/joseluisgs/moriajava2021

2DAM. Ejemplo de un programa usando Java para simular el enunciado Minas de Moria. Curso 2021-2022

design-patterns java

Last synced: 07 Aug 2025

https://github.com/timostrating/projecteuler

These are Java / Ruby / C / Lisp / Haskell / PHP/ Bash / PL-SQL / Mathematica / Rust / Kotlin / Lua solutions for Project Euler, — In the best 1% of the world

cpp java mathematica projecteuler python ruby

Last synced: 12 Sep 2025

https://github.com/weasley-j/multiple-sms-spring-boot

Multiple SMS Templates & Multiple SMS Providers for spring-boot, You can easily use multiple-sms-spring-boot-starter to send SMS for users by @SMS annotation and SmsTemplat in you projects.

java sms spring-boot spring-boot-starter

Last synced: 26 Mar 2025

https://github.com/cassiomolin/tasks-rest-api

Sample REST API for managing tasks using Spring Boot, Jersey, Jackson, MapStruct, Hibernate Validator and REST Assured.

hibernate-validator jackson java jersey mapstruct postman rest rest-api rest-assured spring spring-boot

Last synced: 15 Mar 2026

https://github.com/hidroh/numeric-edittext

A numeric EditText widget for Android

android java library

Last synced: 26 Oct 2025

https://github.com/bsayli/spring-boot-openapi-generics-clients

End-to-end generics-aware OpenAPI clients with a single canonical {data, meta} contract and RFC 9457 Problem Details — built on Spring Boot 3.5 and Java 21.

api-client code-generation generics httpclient5 java mustache-templates openapi openapi-3 openapi-3-1 openapi-generator problem-details problem-details-for-http-apis restclient spring-boot-3 springdoc swagger

Last synced: 14 Feb 2026

https://github.com/ghost-chu/simplereloadlib

Simple but useful generic reload library for Java projects.

java libraries reload simple

Last synced: 15 Mar 2026

https://github.com/arcticicestudio/icecore-hashids

A lightweight generator for short, unique, non-sequential and decodable Hashids from non-negative numbers.

hash hash-algorithm hash-numbers hashids icecore java library obfuscation obfuscator

Last synced: 24 Oct 2025

https://github.com/u014427391/lexer1.1.0

Java编写的C语言词法分析器,Java编写的C语言词法分析器 120号为关键字,用下标表示,i+1就是其机器码; 2140号为操作符,用下标表示,i+21就是其机器码; 41~60号为分界符, 用下标表示,i+41就是其机器码; 用户自定义的标识符,其机器码为51; 常数的机器码为52; 不可以识别的标识符,其机器码为0 选择打开按钮,选择文件所在的路径,单击打开,分析器会获取文件的内容,并将其复制到文本域里,本词法分析器就可以对文本域里的内容进行剪切复制黏贴和清除等编辑操作

java

Last synced: 26 Oct 2025

https://github.com/sangam14/JavaLabs

The Ultimate JavaLabs For All #java Developer

applet class example-project java objects serverlet

Last synced: 03 Mar 2026

https://github.com/c-akhil/java-interview-guide

A comprehensive repository for Java and Spring Boot interview preparation. This repository includes detailed questions and answers covering Core Java Concepts, OOP, Collections & Data Structures, Java 8 & Functional Programming, Spring Boot & Microservices, and Spring Boot Security & Optimization

api-development backend-development collections functional-programming interview-questions java java-interview microservices software-development spring-boot technical-interview

Last synced: 18 Apr 2026

https://github.com/migetapp/migetpacks

Zero-config container builds for 14 languages. Auto-detects Node.js, Python, Go, Ruby, Rust, Java, PHP, .NET, Elixir, Kotlin, Scala, Clojure, Deno, Bun. No Dockerfile required.

buildpacks cloud-native container devops docker dockerfile golang java kubernetes nodejs paketo-alternative python ruby rust

Last synced: 15 Feb 2026

https://github.com/oracle/rewrite-recipes

OpenRewrite recipes for Oracle solutions, like upgrades of java and Weblogic.

coherence jakartaee java openrewrite openrewrite-recipes spring-framework-6 weblogic

Last synced: 18 Oct 2025

https://github.com/hardiksinghbehl/spring-boot-apache-poi

list of reference POCs to work with excel files using apache-POI and spring-boot

apache-poi excel-reader excel-validator excel-writer java open-api-v3 spring-boot

Last synced: 04 Mar 2026

https://github.com/paarthmadan/playground

Fundamental computer science algorithms and preparation for computing contests.

algorithm breadth-first-search canadian-computing-competition ccc dijkstra java python rust

Last synced: 02 Mar 2026

https://github.com/apache/brooklyn-dist

Apache Brooklyn Dist

brooklyn cloud java

Last synced: 14 Apr 2025

https://github.com/marthym/baywatch

Follow your favorite news letters and keep an 👀 on the latest technologies news.

feed-reader java rss springboot vue3

Last synced: 15 May 2025

https://github.com/arkssss/studynotes

后端技能校招笔记整理 (包含数据结构, 算法, Java, C++, 数据库, Redis, Linux 等)

cpp git java linux mysql php rabbitmq react redis vim

Last synced: 23 Mar 2025

https://github.com/javiorfo/java-spring3-microservice

Clean architecture, Java 21, Spring Boot 3, Postgres, Tracing, Logging and Keycloak

auditory hexagonal-architecture hibernate-jpa java java-21 keycloak microservice spring-boot spring-security springboot3

Last synced: 01 Sep 2025

https://github.com/nsiatras/pdf-compressor

PDF File Compression Software

compression ghostscript java pdf

Last synced: 13 May 2025

https://github.com/vensing/fy4a

A demo of parse fengyun4 satellite HDF5 file and output a color enhance satellite image ⛅

hdf5 java

Last synced: 02 Jul 2025

https://github.com/eugener/highlight.fx

Lightweight syntax highlighting for JavaFX

java javafx syntax-highlighting

Last synced: 05 May 2025

https://github.com/mathieusoysal/jib-container-publish.yml

GitHub Actions for your Java project to build container with jib and publish it to GitHub Packages.

actions docker github-actions hacktoberfest java java-to-github-packages jib maven

Last synced: 23 Mar 2025

https://github.com/3urobeat/nopeacefulplugin

🔌 A Minecraft plugin to block users from running '/difficulty peaceful' to prevent mobs from despawning. [Bukkit/Spigot - Supports 1.20]

bukkit difficulty java minecraft minecraft-plugin minecraft-server plugin spigot spigot-plugin

Last synced: 13 Oct 2025

https://github.com/binaryb3ast/playsho

Transform your movie nights into a cinematic experience with PlaySho, an Android app built with Kotlin! Collaborate with friends to watch a single video together, regardless of their location. Utilize the virtual cinema feature, generate a shared stream link, and enjoy synchronized playback for an immersive movie-watching experience.

android exoplayer java retrofit2 socket-io stream

Last synced: 10 Oct 2025

https://github.com/croct-tech/export-client-java

Java client for the Croct Export API.

api client croct java

Last synced: 30 Oct 2025

https://github.com/openipc/lotool

Internal chip information extractor from HiSilicon HiTool

java openipc tools

Last synced: 10 Apr 2025

https://github.com/3urobeat/pingplugin

🔌 A Minecraft plugin that tells you your or the ping of another player in ms to the server. Thats it. [Bukkit/Spigot - Supports 1.20]

bukkit bukkit-plugin java minecraft minecraft-plugin minecraft-server ping plugin spigot spigot-plugin

Last synced: 13 Oct 2025

https://github.com/sergey-melnychuk/distributed-algorithms

Implementation of classic distributed algorithms: membership, failure detection, quorum, replication etc.

consensus distributed-hash-table distributed-systems fault-tolerance java membership peer-to-peer quorum replication

Last synced: 19 Jan 2026

https://github.com/29dch/walking-the-maze

走迷宫问题的算法可视化(UI)及迷宫生成

bfs dfs java queue recursive stack swing

Last synced: 12 Oct 2025

https://github.com/jhg023/bitbuffer

A data type similar to ByteBuffer, but can read/write bits as well as bytes to improve throughput and allow for optional compression.

bitbuffer bits bitwise bitwise-arithmetic bitwise-operators buffer bytebuffer java java-11

Last synced: 10 Apr 2025

https://github.com/mohitjaisal/codingbooks

As you begin your path on becoming a coding specialist it is always pleasant to find good sources of information. Many computer languages might be tricky to learn at the beginning so you need reliable references to double-check your mistakes and learn how to not make them again.

books c coding coding-interview codingbooks cpp hacktober hacktoberfest hacktoberfest-accepted hacktoberfest2021 java python

Last synced: 12 Oct 2025

https://github.com/robert076/ubb-computer-science

The courses I took at UBB during my Bachelor's in Computer Science. A collection of my assignments, exams, projects, labs, lecture notes, and preparation materials for them, including extra work.

assembly cpp java lisp prolog python ubb ubb-cluj ubb-computer-science ubb-fmi

Last synced: 09 Oct 2025

https://github.com/xdev-software/testcontainers-junit4-mock

JUnit4-Mock for Testcontainers Java

java junit4 mock testcontainers

Last synced: 06 Oct 2025

https://github.com/ethlo/zally-maven-plugin

OpenAPI specification linter Maven plugin, supporting pluggable rules via Zally. Requires no additional dependencies or services.

api java json linter maven-plugin openapi

Last synced: 22 Apr 2025

https://github.com/eurohlam/rss2kindle

Java Web application that provides a service for scheduled polling RSS feeds and sending them by email as Kindle books in mobi format. It uses Apache Camel, Spring MVC, Jersey RESTful Web Service, Bootstrap, JQuery, Tomcat, Docker, Mongo DB and Amazon kindlegen

ansible bootstrap4 camel docker java jersey-framework jquery kindlegen mobi-format mongodb rss spring-mvc spring-security tomcat

Last synced: 09 Apr 2025

https://github.com/brcolow/java-dx12

DirectX12 in Java with Project Panama

directx12 java jextract panama

Last synced: 04 Mar 2026

https://github.com/nalukit/iban4g

A port of Artur Mkrtchyan's iban4j project so that it will work with Java, GWT or J2CL. A library for generation and validation of the International Bank Account Numbers IBAN (ISO_13616) and Business Identifier Codes BIC (ISO_9362).

artur-mkrtchyan-iban4j bic gwt gwt-library iban iban4j j2cl java

Last synced: 30 Jul 2025

https://github.com/56duong/real-time-chat-websocket-angular-spring-boot

A real-time chat app offering individual and group chats, including chat color customization and group management. Users can log in, manage members, view active users, track unseen messages, and upload avatars.

angular chat-application java mysql real-time sockjs-client spring-boot web-socket

Last synced: 29 May 2026

https://github.com/shubh2-0/jdbc-practice

🔍 Dive into JDBC practice with two projects: Student Management Application and Student Management Application with DAO Pattern. Learn CRUD operations, DAO layer abstraction, code organization, and extensibility. Clone, configure, and contribute to level up your JDBC skills. Let's explore the world of database interaction! 🚀👩‍💻📚

api database java jdbc jdbc-driver mysql

Last synced: 23 Apr 2025

https://github.com/marcioos/bgg-client

BoardGameGeek XML API 2 client for Java and Android apps

android android-apps api-client bgg bgg-client bgg-library board-game boardgamegeek boardgames java library

Last synced: 14 Jan 2026

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

Apache Drill Site

big-data drill java

Last synced: 03 Sep 2025

https://github.com/sreenigsd/cheetah

Cheetah is a test automation framework that has been developed to help automate testing efforts across multiple technologies including Web, Mobile, WebServices, Database, Mainframe, etc..

appium automation automation-api automation-framework automation-selenium automation-test automation-testing cheetah cucumber cucumber-framework cucumber-java cucumber-jvm cucumber-tests java selenium

Last synced: 23 Apr 2025

https://github.com/moatazeldebsy/espresso-tau

The demo repository for Espresso course for Test Automation University

android android-app demo demo-app espresso espresso-tests java kotlin uitesting uitests

Last synced: 15 Aug 2025

https://github.com/philippheuer/credential-manager

Java - OAuth2 Credential Manager

credentialmanager java oidc-client

Last synced: 13 May 2025

https://github.com/ericsson-mts/mts-asn1

Library to decode/encode ASN.1 protocol (PER only)

asn1 encoding java ngap per s1ap

Last synced: 14 Jan 2026

https://github.com/100/stock-analysis-markov

Analyzing Stock Movements using Markov Chains and Monte Carlo Simulation

database desktop-application java markov-chain monte-carlo-simulation random-walk stock-market

Last synced: 09 Apr 2025

https://github.com/skjolber/java-jwt-benchmark

Project for benchmarking popular Json Web Token (JWT) frameworks for Java using JMH.

benchmark gradle java java-jwt jjwt jmh jwt okta-oidc

Last synced: 22 Apr 2025

https://github.com/PhilippHeuer/credential-manager

Java - OAuth2 Credential Manager

credentialmanager java oidc-client

Last synced: 14 May 2025

https://github.com/iodesystems/seleniumjquery

Reactive Selenium jQuery dom integration

java jquery kotlin selenium

Last synced: 27 Jun 2025

https://github.com/the-diosbot-md/the-mikubot-mdv5

Hola un placer tenerte aqui en mi repositorio si te gusta puedes darme una estrellita para apoyar mi trabajo

c html java javascript python

Last synced: 06 Apr 2025

https://github.com/relvaner/actor4j

Actor4j is a multi-runtime actor-oriented Java framework. Extended libraries.

actor-model actor4j actors java java-21 libraries

Last synced: 23 Jul 2025

https://github.com/ivstiv/pixelart-converter

This project aims to recreate pixel arts as close as possible to a given image but with a limited color palette. In this case it is working with the color palette of the Drednot's Colored Panel but technically it should not have any issues to work with any other palette given it is in the right json format.

converter dredark drednot java javafx pixelart

Last synced: 13 May 2025

https://github.com/arturbosch/jquality

Static code analysis for Java

analysis badsmells code codesmells groovy java javaparser static

Last synced: 13 Apr 2025