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/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/arun-gupta/spring-boot-prometheus

Prometheus-style metrics for a Spring Boot application in Kubernetes

docker java kubernetes metrics prometheus spring-boot

Last synced: 29 Apr 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/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/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/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/felipexw/clean-arch-ddd-intro

Just a simple implementation of DDD + clean architecture pattern. It also contains the exaplanation about the concepts that supports this implementation.

clean-architecture clean-code ddd ddd-architecture ddd-example ddd-patterns ddd-sample domain-driven-design hexagonal-architecture java micronaut micronaut-java-application

Last synced: 19 Nov 2025

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

Some development reminders

cheatsheet golang java shell

Last synced: 29 Jan 2026

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/bonigarcia/android-examples

Sample Android apps created with Kotlin and Java

android java jetpack-compose kotlin

Last synced: 05 Mar 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/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/cchabanois/mesfavoris

Bookmarks eclipse plugin

bookmark bookmarks eclipse eclipse-plugin java

Last synced: 01 Jun 2026

https://github.com/andrewssobral/java_motion_detection

Motion Detection with Java + OpenCV + Webcam

java java-opencv-webcam motion-detection

Last synced: 07 Feb 2026

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

espeak java wrapper

espeak java tts voice-synthesis

Last synced: 10 Apr 2025

https://github.com/mukeshmithrakumar/hackerranksolutions

My HackerRank Solutions for Python, Java, C, C++, Shell, SQL, JavaScript and Interview Preparation Kit

bash c cpp data-science hackerrank hackerrank-solutions interview-preparation interview-questions java javascript linux-shell machine-learning python python3 shell software sql

Last synced: 09 Jul 2025

https://github.com/euphoriadev/doggy

Scripts for VK

android java vk vk-api

Last synced: 23 Oct 2025

https://github.com/davidmoten/kool

j.u.s.Stream alternative (synchronous only), reusable, faster, more operators, easier to use.

functional-programming java method-chaining stream synchronous

Last synced: 10 Apr 2025

https://github.com/drsnowbird/jdk-mvn-py3

Ubuntu 24.04 + OpenJDK Java 23 + Maven 3.9 + Python 3.12 + pip 23 + node 21 + npm 10 + Yarn + Gradle 7

docker gradle java maven node-js npm-package openjdk python3 websocket

Last synced: 10 Apr 2025

https://github.com/ivangfr/spring-boot-grpc-client-server

The goal of this project is to implement two Spring Boot applications using gRPC: the server, called movie-grpc-server, and the shell client, named movie-grpc-client. The library movie-grpc-lib defines the gRPC interface that both the server and client applications use.

client-server grpc java postgresql protocol-buffers sprind-data-jpa spring-boot spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/renatoathaydes/jgrab

Runs Java code without a build system, grabbing dependencies declared in the Java file itself.

java rust script-engine

Last synced: 26 Mar 2025

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

☕️ using golang write jvm

golang java jvm

Last synced: 25 Mar 2025

https://github.com/opensolon/solon-examples

Solon 项目,官网配套示例

demo examples java solon

Last synced: 12 May 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/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/sencha/gxt-demo-explorer

GXT Examples Explorer

examples gwt gxt java sencha

Last synced: 07 May 2025

https://github.com/omunite215/nptel-programming-in-java-ultimate-guide

I am sharing my journey of studying a course on Programming in Java taught by Prof.Debasis Samanta Sir IIT Kharagpur

java jdbc jdbc-database nptel nptel-assignments nptel-course nptel-java-solutions nptel-solutions

Last synced: 07 May 2025

https://github.com/goldmansachs/mrword2vec

A MapReduce / Hadoop implementation of Word2Vec

java mapreduce word2vec

Last synced: 11 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/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/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/manoelcampos/sistema-bancario-java-junit

Backend em Java 11 de um Sistema Bancário de exemplo para prática de Testes com JUnit 5 🏦☕️🧪

backend ci continuous-integration example github-actions jacoco java junit junit-5 maven tdd test-coverage tests

Last synced: 04 Apr 2025

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/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: 12 Mar 2025

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/apache/nifi-site

Apache NiFi website

hacktoberfest hugo java nifi

Last synced: 07 Apr 2025

https://github.com/liuyuyang01/thrive-server

🎉 Thrive 是一个简而不简单的现代化博客管理系统,专注于分享技术文章和知识,为技术爱好者和从业者提供一个分享、交流和学习的平台。用户可以在平台上发表自己的技术文章,或浏览其他用户分享的文章,并与他们进行讨论和互动。

blog echerts element flask java pinia python typescript vue3

Last synced: 15 May 2025

https://github.com/sava-software/sava

Solana Java SDK

base58 borsh ed25519 java solana

Last synced: 26 Oct 2025

https://github.com/cyclopsmc/everlastingabilities

Entry for The Modding Trials 2016

forge hacktoberfest java minecraft

Last synced: 10 Apr 2026

https://github.com/nlsfi/hakunapi

OGC API Features Java server

gis java ogc-api web-gis

Last synced: 16 Jan 2026

https://github.com/dumasd/gamer

基于Netty开发的游戏服务器框架

etcd http http2 java mvc-framework netty push redis rpc servlet spring-boot tcp websocket zookeeper

Last synced: 23 Apr 2025

https://github.com/iantapply22/origin-balloons-minecraft

The Minecraft implementation of the origin balloons logic repository. Easily expandable and easy to use!

java origin-realms

Last synced: 23 Mar 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/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/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/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/bobbui/console-drawing

A simple, fun program to draw on console.

console drawing java java-8

Last synced: 21 Jun 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/skjolber/aotc-gradle-plugin

Ahead-of-Time Compilation in Gradle projects.

aot-compilation gradle-plugin java

Last synced: 22 Apr 2025

https://github.com/terrestris/shogun-legacy

⛔️ DEPRECATED, please use https://github.com/terrestris/shogun-core

deprecated java shogun webgis-framework

Last synced: 13 Apr 2025

https://github.com/ripred/javachess

24-bit ANSI colored, console-based chess engine using Java. Optional multi-threaded AI using Minimax with alpha-beta pruning. Fully configurable properties including: ply depth, thread pool size, optional AI time limit, all colors, and more.

alpha-beta-pruning chess chess-ai chess-engine configurable console-color console-game java javachess minimax-algorithm multithread

Last synced: 25 Jun 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/jdillon/gshell

GShell

cli framework java shell

Last synced: 22 Jun 2026

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/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/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/devwckd/tid

A simple static timeline interpolation library.

interpolation java library timeline

Last synced: 24 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/sbgn/libsbgn

Libraries for the Systems Biology Graphical Notation (SBGN); Java and C++

ant java maven sbgn

Last synced: 14 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: 28 Feb 2025

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

Apache Brooklyn UI

brooklyn cloud java

Last synced: 09 Apr 2025

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/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/the-web3/wallet-java-sdk

Java 版的多币种钱包签名 SDK

bitcoin blockchain cryptocurrency eth java wallet

Last synced: 11 Jun 2025

https://github.com/guujiang/jacob

A lightweight library to provide coroutines in Java

bytecode coroutine coroutines generator java

Last synced: 14 Jan 2026

https://github.com/yop-platform/yop-java-sdk

Yeepay openapi SDK for Java

gradle java sdk yop

Last synced: 11 Apr 2025

https://github.com/eclipse-archived/edje

Edje project (ARCHIVED)

eclipseiot embedded internet-of-things java

Last synced: 25 Apr 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/gherynos/secrete

ECIES implementation with Curve25519.

curve25519 ecies java

Last synced: 14 Jan 2026

https://github.com/sizzlecar/mundo

mundo是一个轻量级,灵活的,高性能的流程引擎

java processengine

Last synced: 02 May 2026

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/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/openpatch/scratch-for-java

A library to ease the transition from Scratch to Java

bluej hacktoberfest java processing scratch

Last synced: 19 Apr 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: 23 Mar 2025

https://github.com/igr/swingspy

Swing introspector, shows a hierarchy of dialog's elements under the cursor.

java swing swing-gui utility

Last synced: 11 Apr 2025

https://github.com/shubh2-0/workfolio

WorkFolio is a Spring Boot web app for efficient employee data management. It features login protection using Spring Security and a user-friendly interface with Bootstrap. Explore the code and JavaDocs for complete project insights. 🚀

bootstrap dao-design-pattern gihub html java java-8 javaclass lombok maven mysql spring-boot springbootsecurity thymeleaf

Last synced: 24 Oct 2025

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

The official client libraries for accessing SmartyStreets APIs from Java (and JRE-based languages)

address-verification java jvm sdk smartystreets

Last synced: 07 Mar 2026

https://github.com/getyoti/yoti-java-sdk

The Java SDK for interacting with the Yoti Platform

2fa identity java login multifactor-authentication register sdk spring-boot verification yoti

Last synced: 19 Jun 2025

https://github.com/oswaldobapvicjr/performetrics

A simple performance data generator for Java applications

benchmark counter cpu java metrics-gathering stopwatch

Last synced: 08 May 2025

https://github.com/ushelp/easymonitor

基于 Java 的免费开源跨平台系统运行监控服务应用及引擎框架。A free, open source, cross-platform system running monitoring service application and engine framework based on Java.

cross-platform easymonitor-application easymonitor-engine-framework easymonitor-java engine-framework java java-monitor monitor system-monitor system-monitoring

Last synced: 14 Jul 2025

https://github.com/jffiorillo/jvmbuilder

A source code generator for Kotlin data classes to automatically create a Builder class.

annotation-processor java kapt kotlin kotlin-android kotlin-library

Last synced: 11 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/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