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/point85/caliper

Caliper is a project for managing units of measure and the conversions between them.

java jsr-363 measure-conversion measurement-units unit-of-measure units units-of-measure units-of-measurement uom

Last synced: 23 Apr 2025

https://github.com/bcgov/tno

Today's News Online (TNO) is a news aggregation system that takes in news sources of varying types and provides a single location for clients to access the data.

ctiz dotnet elasticsearch gcpe java kafka keycloak news nlp opennlp react tno

Last synced: 09 Apr 2025

https://github.com/phramusca/jamuz

Music library manager, player and more ---

audio-player export java merge music-manager music-player playlist statistics tagging

Last synced: 25 Apr 2025

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

Alfresco Out-Of-Process SDK for Java Developers

alfresco events java out-of-process rest-client sdk

Last synced: 05 Jul 2025

https://github.com/digitalheir/java-xml-to-json

👾 convert XML to a structure-preserving JSON representation

converter java json xml

Last synced: 14 Apr 2025

https://github.com/mightypirates/scannable

One scanner to find them, and with eye candy bind them.

forge java minecraft minecraft-forge mod

Last synced: 26 Apr 2025

https://github.com/thenishchalraj/passwordstrengthbar

An android library to show the password strength using four strength bars with colours set for each and methods available to play with strength of bars.

android android-application android-development android-library android-ui custombar hacktoberfest java password-strength passwordstrengthbar-library strength-bars

Last synced: 17 Feb 2026

https://github.com/gematik/ref-gemlibpki

Products specified by gematik which have to deal with PKI will have to handle certificates, ocsp requests/responses and TSLs (TrustedServiceProvider Status List). This library may help to understand the intention of gematik specification and could be useful for software implementations.

cryptography gematik gemspec idm java other pki pki-library reference-implementation

Last synced: 19 Apr 2025

https://github.com/westnordost/osmapi-overpass

Java client for the Overpass API

java osm overpass-api

Last synced: 24 Mar 2025

https://github.com/anamorphosee/loomoroutines

Library for the native Java coroutines utilizing Project Loom

coroutines java loom

Last synced: 02 May 2025

https://github.com/oussamabonnor1/findtheletter_android_app

FindTheLetter is an app that is designed to help kids to learn a language by giving them simple words to complete or images to guess their names. Currently it supports only elnglish.

android android-application android-studio english-learning java xml

Last synced: 02 May 2025

https://github.com/i-al-istannen/doctor

A Discord bot serving Javadoc. Uses https://github.com/I-Al-Istannen/JavadocIndexer.

discord discord-bot discord-jda java javadoc jda

Last synced: 08 Apr 2025

https://github.com/azure/modern-web-app-pattern-java

The Modern Web App Pattern is a set of objectives to help you apply an iterative change to modernize a cloud deployed monolith. This content builds on the Reliable Web App. This repo contains a reference implementation of a Modern Web App for Java.

architecture azd-templates azure azure-app-configuration azure-app-service azure-application-insights azure-cache-redis azure-container-apps azure-container-registry azure-front-door azure-keyvault azure-postgres azure-service-bus java microsoft reference-implementation terraform

Last synced: 28 Oct 2025

https://github.com/rapter1990/springbootsecurity

Spring Boot Security Example (Spring Boot, Java 17, Spring Security, Docker, Maven, JUnit Test, Integration Test, Test Container, MySql)

authentication authorization docker docker-compose dockerfile intergration-test java java17 junit jwt lombok maven mockito monolith mysql spring-boot spring-security test-container

Last synced: 16 May 2025

https://github.com/over-run/overrungl

Overrun Game Library is a high-performance library implemented with Java 24, enables cross-platform access to a set of C library bindings, and provides some useful utilities.

bindings glfw java java-24 java24 openal opengl overrungl project-panama stb vulkan

Last synced: 17 Aug 2025

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

Mirror of Apache HBase Third Party Libs

database hbase java

Last synced: 23 Aug 2025

https://github.com/marttp/spring-boot-lgtm-opentelemetry-template

Spring Boot 3.x template with OpenTelemetry Agent

java lgtm opentelemetry spring-boot

Last synced: 23 Aug 2025

https://github.com/dvgaba/easy-random

The simple, stupid random Java beans/records generator

java java-random java-records jdk16 junit protobuf random-data-generation testing

Last synced: 09 Nov 2025

https://github.com/zzzzzzzzyt/tourism-website

旅游网 采用mvc架构 服务端采用servlet

css html java servlet

Last synced: 14 Aug 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/Pradyuman7/Algorithmics

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

algorithms competitive-programming hacktoberfest hacktoberfest2022 java java-library

Last synced: 12 Jun 2025

https://github.com/craumix/jmb-container

A containerized version of https://github.com/jagrosh/MusicBot

container discord discord-bot docker docker-compose java jmb-container music-bot

Last synced: 16 Jan 2026

https://github.com/mindawei/middleware-match

阿里中间件比赛系列代码,包括:第二届初复赛、第三届初复赛。

java jstorm middleware rocketmq tair tianchi

Last synced: 23 Apr 2025

https://github.com/kscripting/kscript-support-api

A support API written in Kotlin to simplify scripting with kscript

java kotlin kscript reproducible-research

Last synced: 11 Apr 2025

https://github.com/skjolber/aotc-gradle-plugin

Ahead-of-Time Compilation in Gradle projects.

aot-compilation gradle-plugin java

Last synced: 22 Apr 2025

https://github.com/shiraji/butai

Android library that adds methods isForeground/isBackground/isReturnedFromBackground

android-library java kotlin

Last synced: 04 Jul 2025

https://github.com/memoizr/retro-optional

A backport of Java8 optionals for Java7

backport java java8-optionals monadic-optionals

Last synced: 26 Jan 2026

https://github.com/xgp/sql2java

Fork of sql2java, a trusty, old code generator

java orm sql

Last synced: 30 Jun 2025

https://github.com/diptangsu/data-structures

This contains all the programs for data structures that are a part of the syllabus of MAKAUT 2nd year Computer Science and engineering course.

data-structures engineering-course hackoctoberfest hackoctoberfest2k18 java

Last synced: 16 Aug 2025

https://github.com/bobbui/console-drawing

A simple, fun program to draw on console.

console drawing java java-8

Last synced: 21 Jun 2025

https://github.com/janishar/graph-library

Data Structure and Algorithm for Graphs

algorithms data-structures graph graph-algorithms java library

Last synced: 06 May 2025

https://github.com/vatsalkesarwani12/vendorrelief

🚑Android App for people of India during this Pandemic of Covid-19. During COVID-19, people living in societies and apartments may not be aware of the nearby shops and vendors whether they are providing essential services or not (such as Groceries, Pharmacy, Dairy, etc) and if they may be providing the people may not know the details of the vendors(like timings, contact number, and address of the shop). People may be facing some doubts about COVID-19. After knowing about these problems faced by some of the people, we have done our best to help them out.

android java kotlin kotlin-mvvm vendor-relief

Last synced: 23 Mar 2025

https://github.com/yangboz/spring-boot-with-activiti-drools-example

Getting started with Activiti and Spring Boot and Drools

activiti-drools bpm-diagram drools java spring-boot

Last synced: 20 Mar 2025

https://github.com/sureshg/kotlin-starter

🐠 A starter template for kotlin projects using Gradle Kotlin DSL!

build-automation build-tools dokka gradle gradle-kotlin-dsl gradle-script-kotlin java jvm kotlin starter-template

Last synced: 05 Apr 2025

https://github.com/selimhorri/api-mobile-client-consumer-android

Consume an api from project-tracking-system hosted in Cloud

android api-call java volley

Last synced: 12 Apr 2025

https://github.com/shpota/dto-generation-plugin

A show-case project demonstrating extension of IntelliJ IDEA's functionality

blog idea idea-plugin intellij intellij-plugin java plugin plugins

Last synced: 11 Sep 2025

https://github.com/hellokaton/oh-my-jvm

☕️ using golang write jvm

golang java jvm

Last synced: 25 Mar 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/sberg-net/openkim

Implementierung eines KIM-Client-Moduls laut Spezifikation

clientmodul gematik hba healthcare java kim smcb telematikinfrastruktur ti vzd

Last synced: 16 Jan 2026

https://github.com/utmhikari/Mahjong-Helper

日麻助手V0.50——百科、教程阅读、牌效分析、天凤观战与对战

guide java mahjong riichi

Last synced: 06 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/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/raydac/jute

Small maven plugin allows to execute JUnit tests as separated external processes.

java maven-plugin test-driven-development testing

Last synced: 09 Mar 2026

https://github.com/idugalic/serverless-company

Serverless. FaaS. Spring Boot. Spring Cloud Function

aws-lambda faas java openwhisk serverless spring

Last synced: 30 Jul 2025

https://github.com/nayuki/deflate-library-java

Efficient DEFLATE compressor and decompressor in pure Java.

decompression deflate deflate-format java library

Last synced: 30 Jul 2025

https://github.com/kstateome/lti-attendance

LTI application for keeping track of student attendance in Canvas courses

canvas-lms java lti lti-tool

Last synced: 16 Jan 2026

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/mindawei/cdn

2017华为软件精英挑战赛初赛、复赛、决赛代码。(最终排名总决赛第14名)

dijkstra game huawei java min-cost-flow zkw

Last synced: 02 Aug 2025

https://github.com/pavankjadda/LiquibaseDemo

Safely Evolute Database with Liquibase and Spring Boot

database java jpa-entities liquibase setup-liquibase spring-boot spring-data-jpa

Last synced: 08 Apr 2025

https://github.com/cooffeeRequired/skJson

About Script Addon for using Json (Gson) in script

bukkit gson-library java minecraft skript skript-addon skript-language spigot spigot-plugin

Last synced: 26 Feb 2025

https://github.com/devwckd/tid

A simple static timeline interpolation library.

interpolation java library timeline

Last synced: 24 Apr 2025

https://github.com/irof/jig-erd

ざっくりなER図を出力する設計補助道具

erdiagram h2database java postgresql

Last synced: 28 Apr 2025

https://github.com/badasintended/megane

glasses are really versatile

fabricmc java minecraft

Last synced: 17 Sep 2025

https://github.com/yegor256/together

Executes Java lambda in multiple threads and collects their results (useful for testing for thread-safety)

concurrency java java-8 java-li testing thread-safety threads

Last synced: 07 Jan 2026

https://github.com/g4s8/tuples

Object-oriented Java tuples

java library pairs tuples utils

Last synced: 09 Apr 2025

https://github.com/cavallium/midi23d

Midi23D is a tool made in Java that converts every note of a .midi music into GCODE instructions to send directly to a 3D printer.

3d-printing java midi midi-parser

Last synced: 22 Feb 2026

https://github.com/quantum4j/quantum4j

Quantum4J brings quantum programming to Java with a full Quantum Software Engineering stack — circuits, simulators, compiler passes, QASM support, and enterprise-grade extensibility.

java java-library jdk openqasm openqasm-lang qasm qiskit quantum quantum-algorithms quantum-computing quantum-microservice quantum-sdk quantum-simulator quantum4j qubits spin-qubits statevector transpiler

Last synced: 12 Jun 2026

https://github.com/osiegmar/javacsvbenchmarksuite

Java CSV library benchmark suite

benchmark csv java

Last synced: 24 Apr 2025

https://github.com/somefree/zoo-timer

分布式timer插件, 轻量, 易用, 去中心化, 均衡负载, 集群节点通过zookeeper同步作业, java编写

java timer zookeeper

Last synced: 14 Jan 2026

https://github.com/openrefine/commonsextension

An OpenRefine extension that helps with Wikimedia Commons editing: start projects from Wikimedia Commons categories; Commons-specific GREL functions.

extension java openrefine sdc wikicommons wikimedia

Last synced: 29 Apr 2025

https://github.com/chanmeng666/douyin-mall-java-template

【Star us and watch this project grow! 🌱⭐️】A Spring Boot-based e-commerce microservices template with comprehensive setup guides. Ideal for learning microservices architecture and building scalable e-commerce applications. Features include user authentication, product management, order processing, and AI integration capabilities.

api-gateway docker e-commerce eureka java jwt maven microservices mybatis mysql oauth2 rabbitmq redis spring-boot spring-cloud spring-data-jpa spring-security starter-template template tutorial

Last synced: 10 Oct 2025

https://github.com/ingogriebsch/spring-hateoas-siren

A library implementing Siren as a custom Spring HATEOAS hypermedia type. Siren is a hypermedia specification for representing entities.

hypermedia hypermedia-format-siren java siren spring spring-boot spring-framework spring-hateoas spring-hateoas-siren spring-mvc spring-web spring-web-mvc spring-webflux

Last synced: 28 Oct 2025

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

Some development reminders

cheatsheet golang java shell

Last synced: 29 Jan 2026

https://github.com/sanjarzayniev/deadline-notifier

Serverless application to notify Inha students about the upcoming deadlines of 7 days ahead via telegram bot

deadline github-actions inha java selenium telegram-bot ui-automation

Last synced: 06 Oct 2025

https://github.com/yzsvdu/redtrainer

Java Reflection Bot Client for PokeMMO (busy with life, not working right now)

bot java javafx pokemon reflection

Last synced: 07 Oct 2025

https://github.com/nicktindall/java-raft

A Java implementation of the Raft consensus algorithm

java mit-license raft-consensus-algorithm

Last synced: 28 Oct 2025

https://github.com/cchabanois/mesfavoris

Bookmarks eclipse plugin

bookmark bookmarks eclipse eclipse-plugin java

Last synced: 01 Jun 2026

https://github.com/compdfkit/compdfkit-api-samples

ComPDFKit PDF API is organized around the REST standard and supports various programming languages with rich PDF features, including conversion, document editor, data extraction, and so forth.

api curl dotnet java javascript pdf-converter pdf-editor pdf-viewer php python rest-api swift

Last synced: 24 Oct 2025

https://github.com/rickyes/jasypt

org.jasypt.util.text.BasicTextEncryptor for Node.js

basictext basictextencryptor jasypt java nodejs

Last synced: 25 Feb 2026

https://github.com/wh1ter0se/powerup-2018

The FRC 2018 programming repository for FRC Team 3695, Foximus Prime

2018 3695 coopertition frc java powerup programming-team robotics robotics-club robotics-competition

Last synced: 06 Oct 2025

https://github.com/stephengold/v-sport

A Vulkan-based 3-D graphics engine, written in Java (code has New BSD license)

3d-graphics assimp engine glfw graphics-engine java joml jvm-library library lwjgl3 open-source phong vulkan vulkan-engine

Last synced: 18 Jan 2026

https://github.com/harium/espeak-java

espeak java wrapper

espeak java tts voice-synthesis

Last synced: 10 Apr 2025

https://github.com/jonenine/ferry

将内网服务开放(摆渡、代理)到公网

golang java proxy

Last synced: 15 Jan 2026

https://github.com/isboyjc/interview

八股是一份开放的面试题库,我们的愿景是覆盖 90%+ IT 知识点问答,节省面试者和面试官的时间!同时也是一份结构化的知识图谱,源于学习,而不是刷题!

browser css css3 html html5 interview java javascript network qa reactjs vuejs

Last synced: 05 Apr 2025

https://github.com/rameshmf/java-io-guide

Guide to java IO (Input and Output stream) in Java

java java-io utilities-java

Last synced: 03 May 2025

https://github.com/jgaa/vikinggtd

Getting Things Done tasklist/activity manager

android android-app getting-things-done gtd gtd-applications java

Last synced: 04 Mar 2026

https://github.com/dangtranhuu/sort-visualizer

Phần mềm mô phỏng các thuật toán sắp xếp

java java-fx swing

Last synced: 12 Apr 2025

https://github.com/nabihashujaat/wurst

Wurst features a wide range of fun and troll modules and has been available since 2014. It is open-source and supports versions 1.7.2 through 1.21+. wurst client 1.21

2b2t css curseforge deli dependency h3vr html java javascript minecraft minecraft-forge minecraft-mod mod modded-minecraft warcraft3 wurst wurst-client wurstlang wurstscript wurstscript-website

Last synced: 06 Mar 2026

https://github.com/euphoriadev/doggy

Scripts for VK

android java vk vk-api

Last synced: 23 Oct 2025

https://github.com/alien-tools/maracas

Maracas is a source code and bytecode analysis framework⁠—written in Java with the help of Spoon—which analyzes how Java libraries evolve and how their evolution impacts their clients.

api breaking-changes java

Last synced: 05 Apr 2026