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/nikialeksey/nullfree

Nullfree will fail your build if your project has a null.

gradle-plugin java java8 null null-safety nullfree nullpointerexception oop

Last synced: 14 Apr 2025

https://github.com/darvid7/forkme-mobile

FIT3027 Android-iOS Project: A Trending :chart_with_upwards_trend: Github Repository Viewer :octocat: (wip)

android github java repositories trending

Last synced: 25 Mar 2025

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

Java framework for authenticating LTI launch requests from the Canvas LMS

canvas-lms java lti

Last synced: 14 Jan 2026

https://github.com/twogg-git/docker-compose-java

A bit more complex docker-compose example with Java, Tomcat, PostgreSQL and a SMTP.

docker-compose java postgres rest smtp smtp-server tomcat

Last synced: 04 Sep 2025

https://github.com/cybnity/foundation

Open source cyber-serenity platform that help the security teams designing and managing companies' ISMS, and which allow them to create resilient digital systems with efficient responses against to cyber-threats.

cyber-security cybersecurity governance isms iso27001 java nist platform software

Last synced: 09 Apr 2025

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

This repository, SpringBoot Annotations, is a concise showcase of essential Spring Boot annotations. Learn to configure REST endpoints, perform dependency injection, and use services and repositories effectively. Level up your Spring Boot skills with this handy reference.

annotations controller java restful-api spring spring-annotations spring-boot sts-code-platform

Last synced: 23 Apr 2025

https://github.com/floverfelt/find-and-replace-maven-plugin

Maven plugin for finding and replacing values in filenames, files, and folders.

build-management java maven maven-plugin

Last synced: 14 Jan 2026

https://github.com/tachoknight/huecontrol

Java-based framework for working with the Phillips Hue system

hue hue-lights java philips-hue

Last synced: 22 Apr 2025

https://github.com/ribasco/ucgdisplay

A character/graphics lcd library for single board computers (e.g. Raspberry Pi) written in Java. Provides drivers for graphics monochrome display devices (lcd, oled, e-ink etc) powered by U8g2

8-bit arm display e-ink embedded-systems glcd graphics hd44780 i2c iot java lcd library oled parallel raspberry-pi single-board-computers spi u8g2

Last synced: 14 Jan 2026

https://github.com/malekkamel/actionsheet

ActionSheet is an Android clone of iOS action sheet component, completely typical to iOS7 style.

actionsheet android bottomsheet ios ios7 java jitpack kotlin mobile os programming sheet

Last synced: 22 Apr 2025

https://github.com/180protocol/codaptor

Instantly add Corda to any tech stack and improve resiliency of your architecture

corda corda-node cordapps java middleware openapi3 serialization serialization-library swagger-ui

Last synced: 04 Jul 2025

https://github.com/aweiloveandroid/aui

AUI是一个快速开发UI组件集合,帮助大家快速实现常用UI效果,用原生控件实现ios同样的UI效果,告别rn,weex等之类框架,提升开发效率。

android android-ui aui ios java java-android

Last synced: 12 May 2025

https://github.com/carlosbritojun/jflunt

Java implementation of Domain Notification Pattern based in Flunt (.NET) developed by @andrebaltieri

ddd domain domain-driven-design java oop

Last synced: 14 Jan 2026

https://github.com/Consonance/consonance

Core consonance utilities for scheduling, reporting on, and provisioning VMs for workflows

aws-ec2 azure cloud cwl java openstack

Last synced: 10 Mar 2025

https://github.com/farmdawgnation/kafka-hawk

An application that records stats about consumer group offset commits and reports them as prometheus metrics

java java11 kafka

Last synced: 10 Apr 2025

https://github.com/huangcongqing/algorithmsanddatastructure

JAVA 算法数据结构代码 演习实践

algorithms datastructure java

Last synced: 06 May 2025

https://github.com/anubhavshukla/properties-to-yaml-converter

Java implementation to convert Properties files to Yaml

converter java java-8 java-library properties yaml

Last synced: 10 Apr 2025

https://github.com/ehsaniara/maven-repository-aws-s3

Make AWS S3 Bucket as your private maven repository

aws aws-s3 iam-users java java11 maven-plugin maven-repository oss plugin s3

Last synced: 10 Apr 2025

https://github.com/robertdebock/ansible-role-java

Install and configure java on your system.

alternatives ansible java jdk jre molecule openjdk oracle playbook system tox

Last synced: 10 Apr 2025

https://github.com/jgperrin/net.jgp.books.spark.ch13

Spark in Action, 2nd edition - chapter 13 - Transforming documents

apache-spark java java8 manning spark sparkwithjava

Last synced: 06 May 2025

https://github.com/hrbrmstr/jericho

:notebook_with_decorative_cover: Extract plain or structured text from HTML content in R

java r r-cyber rstats

Last synced: 29 Oct 2025

https://github.com/ramanpreet6262/trackerrr

A Vehicle Location Tracking System.

android arduino gps-module gsm-module java

Last synced: 06 Apr 2026

https://github.com/innogames/flink-real-time-crm

Demo Flink and Kafka project to show how to react on tracking events in real-time and trigger offer for customer engagement based on campaign configurations. The project also utilizes the Broadcast State Pattern in order to update the rules (campaigns) at runtime without restarting the project, using a dedicated, low-frequency, Kafka topic.

apacheflink apachekafka flink flink-examples flink-stream-processing flink-streaming java kafka stream-processing

Last synced: 18 Jun 2025

https://github.com/tersesystems/debugjsse

Debug JSSE Provider

debug java jca jsse provider

Last synced: 09 Jul 2025

https://github.com/mrinalraj/flipit

Card flipping memory game built on android

android card-game java memory-game

Last synced: 22 Jun 2025

https://github.com/pavelcz/virusdefense-libgdx-port

A simple tower defense game using libGDX. Website:

game java libgdx tower-defense

Last synced: 13 Apr 2025

https://github.com/mickaelbaron/microservices-docker-java-tutorial

L'objectif de cette série d'exercices est d'apprendre à construire une application en respectant une architecture à base de microservices en se focalisant sur le langage Java.

architectures-microservices docker docker-compose java microprofile microservice microservices

Last synced: 03 Oct 2025

https://github.com/tomson124/simplyjetpacks-2

Redstone Flux jetpacks, Fluxpacks and more

java jetpack minecraft minecraft-forge-mod redstone-flux

Last synced: 30 Sep 2025

https://github.com/ifplusor/actrie

Aho-Corasick automation for large-scale multi-pattern matching. Available for C/C++, Python, and Java on Linux, macOS, and Windows.

ac-automation aho-corasick-automation c java matcher python string-matcher string-matching string-search trie

Last synced: 21 Aug 2025

https://github.com/vladislavsevruk/graphqlrequestbodygenerator

This utility library helps to generate body for GraphQL request using POJO and annotations.

annotations generator graphql graphql-annotations graphql-client graphql-java java request-body

Last synced: 14 Apr 2025

https://github.com/Deftu/Gradle-Toolkit

Suite of Gradle tools made to make Minecraft modding more painless.

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

Last synced: 21 Aug 2025

https://github.com/braisdom/templatedexcel

Defining Excel styles with HTML and CSS. It's a templated language, as same as HTML

css excel export html java template xml

Last synced: 01 Mar 2026

https://github.com/supabase-community/storage-java

A Java client library for the Supabase Storage API

java supabase supabase-storage

Last synced: 14 Apr 2025

https://github.com/moosemorals/managesievej

Manage Sieve protocol client library (in Java)

java sieve

Last synced: 14 Apr 2025

https://github.com/client-side/throttle

Java Rate Limiter Derived From Googles' Guava Implementation

java rate-limiter rate-limiting throttle

Last synced: 05 Oct 2025

https://github.com/depromeet/3dollars-in-my-pocket-server

가슴속3천원 - 나와 가까운 붕어빵 앱의 서버 코드입니다.

java jpa spring

Last synced: 28 Aug 2025

https://github.com/hardiksinghbehl/quartz-scheduler-daily-mail-subscription-spring-boot

Daily mail subscription implementation using Java Spring-boot and Quartz Scheduler

java java-mail mail-subscriber quartz-scheduler spring-boot

Last synced: 29 Oct 2025

https://github.com/extrawest/bdd-charge-point-tester-via-ocpp-j-

OCPP Charge Point Tester on Cucumber is a software tool that is designed to simulate Central System in the Open Charge Point Protocol (OCPP) 1.6 specification using the Cucumber testing framework.

bdd cucumber cucumber-framework java ocpp ocpp-j ocpp-j-simulator ocpp16 ocpp16j spring-boot

Last synced: 08 Sep 2025

https://github.com/yegor256/fibonacci

Fibonacci algorithm implemented in a few compilable languages in different programming flavors

cpp csharp eiffel fibonacci golang haskell java lisp object-oriented-programming oop performance-testing

Last synced: 27 Mar 2025

https://github.com/ohjurot/scriptingguide

Guide to C++ Scripting in Java, C#, Lua, Python and Angelscript (YouTube Series)

angelscript cpp csharp java java-8 lua python script scripting tutorial youtube

Last synced: 18 Mar 2025

https://github.com/joseluisgs/blog-relacional-accesodatos-2021-2022

Ejemplo de desarrollo de un blog (backend básico) para Acceso a Datos, usando una base de datos realacional e implementando distintas técnicas y patrones de Acceso a Datos vistos en clase.

controller database java repository service

Last synced: 29 Oct 2025

https://github.com/diemol/frontend_testing

Repository containing sample code used in a Frontend Testing workshop

fluentlenium frontend-testing-workshop frontend-tests java javascript selenium selenium-webdriver webdriverio zalenium

Last synced: 18 Mar 2025

https://github.com/amanastel/hotel-management-microservices

Welcome to our Microservices Project! 🚀 Explore a modern architecture for a hotel management system, built using Spring Boot and Spring Cloud.

eureka-client eureka-server gateway-api hibernate java maven microservice mongodb mysql netlify-plugin postgresql spring-boot spring-security springcloud webflux

Last synced: 07 Aug 2025

https://github.com/darekkay/what-the-commit

What The Commit - Plugin for IntelliJ IDEA

intellij java

Last synced: 19 Mar 2025

https://github.com/idealista/java_role

Ansible role to install Java (OpenJDK, AdoptOpenJDK and Corretto)

adoptopenjdk ansible ansible-role corretto debian docker-java java java-ansible-role java-virtual-machine jvm openjdk ubuntu

Last synced: 10 Apr 2025

https://github.com/danielbatres/orthodontic-dentistry-clinical-management

A Java application designed to streamline the management of clinics offering dental and orthodontic services. This project, developed using Java Swing, provides essential tools for such clinics, making it ideal for single-doctor practices. It helps manage patients, appointments, records and more.

application clinical clinical-application dentistry java java-app java-application java-se java-swing management orthodontic programming sql swing ui

Last synced: 10 Apr 2025

https://github.com/stephenott/taxii-springboot-bpmn

SpringBoot implementation of TAXII server backed with BPMN configuration

bpmn camunda java springboot taxii taxii-server

Last synced: 17 Mar 2025

https://github.com/ops4j/org.ops4j.pax.tinybundles

OPS4J Pax TinyBundles

automation java osgi testing

Last synced: 10 Apr 2025

https://github.com/tambapps/fourier-transform-library

A Fast Fourier Transform library written in Java

fft fourier-transform fourier-transform-library java

Last synced: 04 May 2025

https://github.com/dropwizard/dropwizard-web

Provides support for configuring various http headers that are important for web services.

cors csp dropwizard hacktoberfest headers hsts java xss

Last synced: 04 Apr 2025

https://github.com/casid/mazebert-simulation

Simulation core of the game Mazebert TD

deterministic java simulation tower-defense

Last synced: 18 Mar 2025

https://github.com/vigna/webgraph-big

WebGraph is a framework for graph compression.

centrality-measures compression-library graph graph-compression java web-graph webgraph

Last synced: 07 May 2025

https://github.com/depromeet/14th-team4-be

디프만 14기 4팀 백엔드 레포입니다

backend java spring

Last synced: 19 Apr 2025

https://github.com/thecurle/purpuri

The Purple VM, a custom JVM in C++.

cpp interpreter java jvm stack-based

Last synced: 11 Jun 2025

https://github.com/holon-platform/platform

The Holon Platform is a Java development ecosystem to create and maintain high quality, enteprise-grade web applications and services. Get started using the platform BOM.

framework full-stack holon holon-platform java java-8 java-api platform platform-architecture platform-bom web-application web-application-framework web-framework web-platform

Last synced: 23 Apr 2025

https://github.com/ximsfei/refinject

Java反射注入框架

android injection java reflection

Last synced: 23 Apr 2025

https://github.com/payne911/arise_deeper

[PoC] Top-down 2D roguelike game, developed using the libGDX framework.

game java libgdx roguelike roguelike-game

Last synced: 22 Apr 2025

https://github.com/sasmithx/chat_application_socket_progrmming

This project is a simple chat application built using Java Socket programming. It features a client-server architecture, enabling real-time text and image communication between multiple clients. The application also includes an emoji picker, allowing users to send emojis in their chat messages.

client-server css fxml intellij-idea java javafx maven sdk web-socket

Last synced: 25 Jul 2025

https://github.com/iandarwin/date4j

Code for date4j.net's simple date API, with a POM file, for upload to Maven Central.

date-calculations date-formatting date-time java

Last synced: 12 Oct 2025

https://github.com/cscfi/exam

Electronic exam software for higher education

angular education java play-framework scala typescript

Last synced: 05 Feb 2026

https://github.com/apache/logging-log4j-tools

Tools internally used by the Apache Log4j project

apache java log4j log4j2 logging

Last synced: 19 Oct 2025

https://github.com/rwth-acis/rest-ocd-services

This repository contains the OCD service of WebOCD. In the repository, java based codes of overlapping community detection algorithms (OCDA) can be found.

community-detection java las2peer ocda overlapping-community-detection rest-ocd-services webocd

Last synced: 16 Oct 2025

https://github.com/valb3r/gtc-all-repo

Spring Boot cryptocurrency trading bot

bitcoin cryptocurrency java microservices spring-boot trading-bot

Last synced: 23 Jan 2026

https://github.com/anatomiakodu/java-od-zera

Nauka języka Java od kompletnych podstaw! Nie musisz umieć niczego by zacząć. W tym projekcie wyłumaczę Ci dokładnie podstawową składnię Javy. Poruszymy takie tematy jak: kolekcje, warunki logiczne, operacje na tekście, wyjątki i wiele innych!

git intellij-idea java nauka podstawy podstawyprogramowania

Last synced: 23 Oct 2025

https://github.com/windysha/andfixproject

use three method to accomplish the java method fix

andfix android hotfix java sophix

Last synced: 17 Oct 2025

https://github.com/pct960/competitive_programming

A handy collection of implemented data structures and algorithms for competitive coding contests

algorithm-challenges algorithms algorithms-implemented competitive-programming data-structures java

Last synced: 19 Oct 2025

https://github.com/jdegand/testdome-java-questions

My solutions to Test Dome Public Java Questions

android java java-hibernate selenium spring testdome testdome-solutions

Last synced: 22 Feb 2026

https://github.com/taki0112/word2vecjava

Word2Vec In Java (2013 google word2vec opensource)

java word2vec

Last synced: 09 Apr 2025

https://github.com/samouraidev/bip47_rpc

BIP47 reusable payment codes

bip47 bitcoin bitcoinj java payment-codes

Last synced: 28 Oct 2025

https://github.com/fcannizzaro/fast-event

Simple event creation

android-library annotations events java

Last synced: 24 Apr 2025

https://github.com/sylvainhalle/mrsim

A simple MapReduce framework in Java

hadoop java mapreduce tuples

Last synced: 29 Oct 2025

https://github.com/gredler/aegis4j

A Java agent that disables platform features you don't use, before an attacker uses them against you.

devsecops java java-agent security

Last synced: 14 Jan 2026

https://github.com/seahrh/liftoo

Object-oriented design of a lift system

command-pattern java

Last synced: 11 Apr 2025

https://github.com/hewlettpackard/logger

A log parsing engine written in Java for high performance. Additionally, logger is also highly configurable.

configurable engine java logparsing logs multithreading parsing

Last synced: 26 Apr 2025

https://github.com/galigator/mattermost-client

A simple java client for the api V4 of Mattermost compatible with Mattermost 4.5 The client aim at writing java Bot for Mattermost.

bot cxfrs-service java java-8 mattermost mattermost-api mattermost-bot websocket

Last synced: 16 Jun 2025

https://github.com/apache/plc4x-extras

PLC4X The Industrial IoT adapter

c go java net python

Last synced: 09 Apr 2025

https://github.com/DogerRain/PureJavaCoderRoad

《Java小白之路》PureJavaCoderRoad 是一个帮助【Java小白】从入门到找到一份工作所需掌握的技能教程,对标目前企业招聘要求(一线12k)。 本项目包含JavaSE、JavaEE(Spring、Mybatis、SpringCloud)、Mysql、Redis、Maven、Nginx、Linux服务器、Git、工具使用、算法 等知识点。

java learning

Last synced: 02 Apr 2025

https://github.com/viascom/hipchat-api

Java implementation for the HipChat V2 API.

atlassian hipchat hipchat-api java maven pom

Last synced: 14 Jan 2026

https://github.com/funfix/tasks

Task datatype, meant for cross-language interop (Java, Kotlin, Scala)

java kotlin scala

Last synced: 14 Jan 2026

https://github.com/feimumoke/dipper

基于grpc开发的跨语言的交互系统,集成B/C/S,Brower基于SpringBoot2开发,使用Netty+WebSocket实现QQ功能,Client基于PyQt5,实现用户管理和博客管理。图片服务和博客服务基于Go语言开发,并且提供了HTTP的图片服务功能。

chat go grpc grpc-go grpc-java grpc-python httprouter java layim microservice mybatis netty protobuf pyqt5 python qq springboot websocket xorm

Last synced: 07 May 2025