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/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/bobbui/console-drawing

A simple, fun program to draw on console.

console drawing java java-8

Last synced: 21 Jun 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/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/pinussilvestrus/bncl

Natural like language for quickly modeling BPMN 2.0 models

bpmn bpmn-model java quickmodeler

Last synced: 30 Jun 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/apache/hbase-thirdparty

Mirror of Apache HBase Third Party Libs

database hbase java

Last synced: 23 Aug 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/apache/nifi-site

Apache NiFi website

hacktoberfest hugo java nifi

Last synced: 07 Apr 2025

https://github.com/cleve/lmdb-viewer

GUI to navigate over LMDB data

database gui java java-11 javafx javafx-desktop-apps lmdb

Last synced: 02 Apr 2026

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

https://github.com/urunov/java-core-projects

Java Fundamental, OOP, Collection Framework, Lambda, Stream API, File System

collection java oops

Last synced: 27 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/jakejmattson/touchcontrol

Control at your fingertips.

camera java nircmd opencv touchscreen

Last synced: 11 Oct 2025

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/apache/metamodel-membrane

Mirror of Apache MetaModel Membrane

big-data database java library metamodel

Last synced: 08 Oct 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/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/frachtwerk/essencium-backend

Essencium Backend is a software library built on top of Spring Boot that allows developers to quickly get started on new software projects. Essencium provides, for example, a fully implemented role-rights concept as well as various field-tested solutions for access management and authentication.

java spring spring-boot

Last synced: 29 Apr 2025

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/christarazi/random-restaurant-generator

An Android app that queries Yelp's API for a random restaurant near you

android fun java pick random restaurant yelp

Last synced: 17 Oct 2025

https://github.com/griddigit-ci/cimpal

CimPal is an open source Java application published by gridDigIt and Licensed under the EUPL-1.2-or-later. It helps CIM implementation by providing tools facilitation the work related to SHACL constraints and identification of changed between different versions of CIM.

cim java rdfs shacl

Last synced: 08 Oct 2025

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/opensolon/solon-examples

Solon 项目,官网配套示例

demo examples java solon

Last synced: 12 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

https://github.com/stasgora/mesh-editor

Desktop application that turns raster images into low poly vector art

editor image java low-poly mesh svg triangles

Last synced: 13 Apr 2025

https://github.com/lazaronixon/active-persistence

Active Persistence is a implementation of Active Record Query Interface for JPA that makes it easy and fun.

activerecord jakartaee java java-api java-orm jpa jpql orm orm-framework query query-builder sql

Last synced: 13 Apr 2025

https://github.com/lucasstarsz/slope-ecs

An Entity Component System written in Java, based on Austin Morlan's C++ ECS.

entity-component entity-component-system java macos maven-repository mit-license slope-ecs ubuntu windows

Last synced: 30 Apr 2025

https://github.com/seyed0123/melodyhub

At this time, X remains. melODyhub is A digital music streaming service that allows users to listen to songs, podcasts, and other audio content.(Spotify simulator)

java

Last synced: 10 Apr 2025

https://github.com/andy-goryachev/fxtexteditor

A monospaced text editor which supports very large text models (WORK IN PROGRESS).

editor handle-billions java javafx javafx-components javafx-desktop-apps javafx-gui

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/melin/flink-jobserver

REST job server for Apache Flink

flink hadoop hive java kerberos kubernetes yarn

Last synced: 04 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/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/bileto/extend-mdc

A Java aspect to extend the logging MDC with annotation-defined values and method arguments

aspectj java logging mdc slf4j spring spring-boot

Last synced: 03 May 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/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/vssekorin/cactoos-math

Math extension of Cactoos library

java oop oop-library oop-principles

Last synced: 13 Apr 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/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/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/joeybling/resume

个人简历-纯静态页面,无后台

css html java resume

Last synced: 10 Apr 2025

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/anamorphosee/loomoroutines

Library for the native Java coroutines utilizing Project Loom

coroutines java loom

Last synced: 02 May 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/nlsfi/hakunapi

OGC API Features Java server

gis java ogc-api web-gis

Last synced: 16 Jan 2026

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/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/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/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/meistermeier/spring-graphql-neo4j

Example project using Spring Data Neo4j and Spring GraphQL

java spring-boot spring-graphql

Last synced: 07 May 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/samuelfaj/linkedin-bot

A LinkedIn Bot - Like/Accept/Invite Automation Script - Grow up your professional network!

autofollower autoliker automation bots java linkedin php selenium

Last synced: 07 May 2025

https://github.com/tcc0lin/hook_play

:+1:日常Hook小玩法,具体参考文章可见公众号《云爬虫技术研究笔记》

gradle hooks java xposed

Last synced: 07 May 2025

https://github.com/ivangfr/kubernetes-minikube-environment

The goal of this project is have some examples using Kubernetes (Minikube)

bitnami codecentric confluentinc docker elastic helm helm-charts java kong kubectl kubernetes minikube virtualbox

Last synced: 10 Apr 2025

https://github.com/andreasabel/java-adt

A tool to create immutable algebraic data structures and visitors for Java (such as abstract syntax trees).

ast java

Last synced: 26 Oct 2025

https://github.com/sencha/gxt-demo-explorer

GXT Examples Explorer

examples gwt gxt java sencha

Last synced: 07 May 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/mlang/freedots

MusicXML to Braille Music transcription

blind braille java music musicxml transcription

Last synced: 18 Aug 2025

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/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/apache/maven-fluido-skin

Apache Maven Fluido Skin

build-management java maven maven-skin

Last synced: 07 Apr 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/jakshin/mixcaster

Subscribe to Mixcloud users as RSS podcasts

itunes java mixcloud music podcast rss rss-feed rss-feed-generator

Last synced: 20 Sep 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/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/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/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/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/stephengold/skycontrol

A sky simulation library for jMonkeyEngine (code has New BSD license)

clouds java jme3 jmonkeyengine jmonkeyengine3 jvm-library library moon open-source sky stars sun sunset

Last synced: 14 Jul 2025

https://github.com/apache/uima-uimacpp

C++ support for Apache UIMA

apache java text-analysis uima

Last synced: 10 Apr 2025

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/eclipse-archived/edje

Edje project (ARCHIVED)

eclipseiot embedded internet-of-things java

Last synced: 25 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/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/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/pfirmstone/jgdms

Infrastructure for providing secured micro services, that are dynamically discoverable and searchable over ipv6 networks

distributed-computing iot java osgi-services security

Last synced: 10 Apr 2025

https://github.com/gherynos/secrete

ECIES implementation with Curve25519.

curve25519 ecies java

Last synced: 14 Jan 2026