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/marcono1234/hotjava-1.0-alpha

Files of HotJava 1.0a2 & 1.0a3 (predecessor of Java)

hotjava java

Last synced: 25 Oct 2025

https://github.com/gabriel-logan/gerador-cpf-e-cnpj-valido

Este repositório fornece funções em JavaScript, Python, Go, C e Java para gerar números válidos de CPF (Cadastro de Pessoas Físicas) e CNPJ (Cadastro Nacional da Pessoa Jurídica) para o Brasil.

c cnpj communityexchange cpf cpf-valido educative frontendmasters generator gerador gerador-cnpj gerador-cpf github github-copilot github-pages java javascript learn python student-vscode typescript

Last synced: 21 Jan 2026

https://github.com/thiru-malai/calllimiter

Call Limiter is an Android application that helps users set a time limit for phone calls to specific contacts.

android call-limiter cut-phonecall deny-phonecall java limit-phonecall phonecall-limiter

Last synced: 31 Jan 2026

https://github.com/manifold-systems/github-traffic

GitHub traffic CLI utility with bonus features

cli github-traffic java

Last synced: 03 Mar 2026

https://github.com/redned235/simcraft

A program to convert SimCity 4 (Deluxe) cities into Minecraft worlds.

game java minecraft minecraft-java sc4 sim-city simcity simcity4

Last synced: 26 Oct 2025

https://github.com/khaouitiabdelhakim/etablissements-application-android

Ce projet consiste en une application mobile Android permettant aux utilisateurs de se connecter, d'ajouter des établissements et de visualiser la liste des établissements.

android android-app android-application android-studio app authentication backend java login recyclerview recyclerview-adapter room room-database

Last synced: 18 Mar 2025

https://github.com/thomasvitale/supply-chain-security-java

Samples showing how to secure the supply chain for Java applications.

cyclonedx java sbom sigstore slsa supply-chain-security

Last synced: 15 Mar 2025

https://github.com/piomin/sample-java-sonar

sample application used as a source for scanning code quality with sonarqube also containing sovarqube plugin with rules definitions

java qa sonar-plugin sonarqube sonarqube-analysis

Last synced: 09 Aug 2025

https://github.com/mcpq/mcpq-plugin

Minecraft Java server plugin designed to allow other client libraries to control the server it is running on

java kotlin minecraft minecraft-plugin protobuf

Last synced: 23 May 2026

https://github.com/uppnrise/distributed-rate-limiter

High-performance distributed rate limiter service with Redis backend. Supports token bucket and sliding window algorithms, dynamic configuration, and real-time metrics. Built for microservices architectures.

api-gateway api-protection concurrency distributed-systems docker high-performance java kubernetes microservices monitoring observability production-ready prometheus rate-limiter rate-limiting redis scalability spring-boot throttling token-bucket

Last synced: 28 Sep 2025

https://github.com/harmindersinghnijjar/runescapegpt

Leverage OpenAI's latest GPT model to assist with writing Old School Runescape bots using the latest DreamBot API.

chatgpt docker dreambot dreambot-3 gpt gpt3-turbo gpt4 java oldschool-runescape runescape runescape-bots

Last synced: 23 Jul 2025

https://github.com/ivangfr/springboot-aws-localstack-opensearch-s3-secretsmanager

In this project, we will use LocalStack to locally simulate some services provided by AWS Cloud such as OpenSearch, S3, and Secrets Manager. Additionally, to simplify the use of AWS managed services, we will use Spring Cloud AWS.

aws aws-opensearch aws-s3 aws-secrets-manager docker java localstack omdb-api semantic-ui spring-boot spring-cloud-aws spring-web-mvc springdoc-openapi thymeleaf

Last synced: 23 Aug 2025

https://github.com/vladimir-dejanovic/grpc-bank-example

This is example used in my talk REST API vs gRPC. Simple example of Bank backend in gRPC with JavaFX notification client

grpc grpc-java java javafx

Last synced: 17 Mar 2025

https://github.com/jhspetersson/packrat

Gatherers library for Java Stream API

gatherer gatherers java jdk22 jdk23 preview-features streams streams-api

Last synced: 14 Apr 2025

https://github.com/javatmp/javatmp

JavaTMP Bootstrap admin and dashboard component template built using HTML 5 , CSS 3 , jQuery , Bootstrap 4 and Java

admin-dashboard bootstrap bootstrap-admin bootstrap-template bootstrap-templates bootstrap-theme dashboard dashboard-templates gulp java java-bootstrap-template jquery jsp servlet

Last synced: 29 Aug 2025

https://github.com/sake92/deder

Config based client-server JVM build tool

build-tool java scala scalajs scalanative

Last synced: 15 Jun 2026

https://github.com/master4novice/hms

Hospital Management System - React + Redux +Thunk

css html5 java material-ui maven react react-redux redux spring-boot

Last synced: 08 Oct 2025

https://github.com/ullenius/spctag

:video_game: :notes: Read and parse ID666 tags from SNES SPC-700 files (Super Nintendo & Super Famicom Sound Files)

cli gpl3 java maven snes spc700 super-famicom tag terminal xid6

Last synced: 15 Apr 2025

https://github.com/kaktushose/nplay-bot

discord bot with leveling system, items and events

bot discord discord-bot java jda

Last synced: 19 Apr 2025

https://github.com/robaho/lrmp

Go and Java implementations of LRMP - light weight reliable multicast protocol

golang java lrmp multicast protocol

Last synced: 29 Apr 2025

https://github.com/apache/nifi-standard-libraries

A collection of standard implementations used across the Apache NiFi ecosystem.

hacktoberfest java nifi

Last synced: 10 Apr 2025

https://github.com/timefoldai/timefold-solver-enterprise

Timefold's commercial offering, enhancing Timefold Solver Community Edition with additional features. Timefold is the successor of OptaPlanner, by the OptaPlanner team. Optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems

ai artificial-intelligence constraint-programming constraint-solver cvrp employee-scheduling java maintenance-scheduling metaheuristics operations-research optimization optimization-library planning-algorithms resource-allocation solver-library timefold vehicle-routing vehicle-routing-problem vrp vrptw

Last synced: 24 Jun 2025

https://github.com/rapter1990/carservice

Case Study - Car Service (Java 21, Spring Boot, Spring Security, JWT, MySql, JUnit, Jacoco, Prometheus,Grafana, AlertManager, Docker, Kubernetes, Github Action (CI/CD), Sonarqube)

alertmanager github-actions grafana integration-testing jacoco java java21 junit jwt kubernetes mysql prometheus sonarqube spring-boot spring-security swagger

Last synced: 05 Sep 2025

https://github.com/hsiehshujeng/cdk-emrserverless-with-delta-lake

This construct builds some elements for you to quickly launch an EMR Serverless application. After submitting the Emr Serverless job, you could also launch an EMR notebook via cluster template to check the outcome from the EMR Serverless application.

aws aws-cloudformation aws-service-catalog cdk-constructs delta-lake dotnet emr-notebooks emr-serverless emr-studio golang java javacript projen python serverless spark

Last synced: 15 Apr 2025

https://github.com/zjhch123/Tears

Static Resource Server, Based on Java, Simple, JSON Config. 一个基于Java语言编写的静态资源服务器。

java tears webserver

Last synced: 04 May 2025

https://github.com/joaoito/sistemas-de-informacao

Repositório para material de estudos durante a faculdade de Sistemas de Informação! Em código de linguagens de programação variadas vamos criar e resolver problemas! ;)

algorithms backend brazil cpp dev developer formation frontend graduation ino java js logic study

Last synced: 04 Mar 2026

https://github.com/bh-tec/dio-potecia-tech-ifood-java

Repositório criado para os desafios de códigos da Potência Tech powered by iFood - Java Beginners da DIO.

bootcamp desafio-de-codigo dio ifood java

Last synced: 19 Apr 2025

https://github.com/objectionary/eo-graphs

A few classic graph algorithms implemented in C++, Java, and EOLANG

algorithm cpp eolang graph graph-algorithms java

Last synced: 01 May 2025

https://github.com/suryasekhar14/hacktoberfest-2021

A repository for Hacktober Fest contributions. Everyone is welcome. Fork away!

appdevelopment c cpp hacktober-fest-contributions hacktoberfest hacktoberfest-accepted hacktoberfest2021 java javascript python

Last synced: 10 Mar 2026

https://github.com/anuken/ludumdare46

Ludum Dare 46 entry

html5-game java ludum-dare ludum-dare-46

Last synced: 10 Mar 2026

https://github.com/zengfr/svm-neuro-matching

SVM Neuro Matching C#机器学习 LibSVM支持向量机 神经网络 匹配 中文文本分词分类聚类

accrod aforge csharp hotel java learning libsvm matching neuro nlp room svm svm-neuro-matching tfidf zengfr

Last synced: 11 Apr 2025

https://github.com/jcabi/jcabi-ssl-maven-plugin

SSL Plugin for Apache Maven: it generates fake SSL certificates for the testing purposes of your Java web app

java maven-plugin ssl ssl-plugin testing

Last synced: 29 Jun 2025

https://github.com/varunsingh87/ambient-noise-remover

A Java program that removes ambient noise from an audio file

java java-sound-api kalman-filter noise-cancellation noise-detection

Last synced: 17 Apr 2025

https://github.com/apache/sling-org-apache-sling-query

Apache Sling Query

java sling

Last synced: 24 Mar 2025

https://github.com/ahmedfarag9/ci-cd-pipeline-jenkins-odoo-project

A Multi-branch CI-CD Pipeline Using Jenkins, Docker, AWS, Maven To Deploy an Odoo ERP custom module & a simple Java Maven web app.

amazon-web-services bash bash-scripting ci-cd devops docker docker-compose dockerhub ec2-instance groovy java jenkins maven odoo ssh webhook

Last synced: 11 Apr 2026

https://github.com/Cumulocity-IoT/cumulocity-dynamic-mapper

The ultimate Mapper for building the bridge between any Message Broker and Cumulocity IoT in a zero-code approach!

agent angular cumulocity-agent cumulocity-iot cumulocity-microservice cumulocity-package iot iot-analytics java microservice mqtt server-side-agent typescript

Last synced: 26 Feb 2025

https://github.com/bonigarcia/selenium-jupiter-examples

Test examples using Selenium-Jupiter, Selenium WebDriver, and JUnit 5

appium docker java jenkins junit5 selenium selenium-grid selenium-webdriver testing vnc

Last synced: 23 Mar 2025

https://github.com/jenkinsci/idea-stapler-plugin

Jenkins Development Support for IntelliJ IDEA

hacktoberfest intellij-plugin java jelly jenkins jexl stapler

Last synced: 24 Mar 2025

https://github.com/apache/james-jsieve

Mirror of Apache James jSieve

james java mail network-server

Last synced: 10 Mar 2026

https://github.com/rameshmf/j2ee-design-patterns

Repository for J2EE design patterns with examples.

design-patterns j2ee java

Last synced: 03 May 2025

https://github.com/pspdfkit/pspdfkit-android-simple-example

Simple PSPDFKit for Android example app

android java kotlin pdf pspdfkit

Last synced: 08 Jul 2025

https://github.com/oussamabonnor1/firebasechatapp

a simple android app that uses FireBase and implements it's features to ensure fluent messaging functions.

android-application android-studio authentication chat firebase java json messaging nosql server telegram xml

Last synced: 02 May 2025

https://github.com/amir-p/gradientseekbar

Beautiful gradient SeekBar implementation in Android for API 17+

android java seekbar view

Last synced: 02 Sep 2025

https://github.com/didinj/spring-boot-mongodb-angular5-java-crud

Spring Boot, MongoDB and Angular 5 CRUD Java Web Application Example

angular angular5 angularjs application boot crud example java mongo mongodb spring spring-boot tutorial web webapp

Last synced: 08 Jul 2025

https://github.com/omarlamin01/dairy-farm-management-system

Desktop application for managing dairy farms, built using java, javafx & MySQL

java javafx javafx-desktop-apps mysql mysql-database

Last synced: 11 Jun 2025

https://github.com/wbrefvem/python-jolokia

Python client for Jolokia, an HTTP-JMX bridge

enterprise-java http-bridge java jmx jolokia python

Last synced: 18 Jan 2026

https://github.com/chestshop-authors/chestshopnotifier

Bukkit plugin that allows your players to see who bought or sold what while they were offline.

bukkit chestshop hacktoberfest java minecraft plugin spigot

Last synced: 16 Apr 2025

https://github.com/gamemann/simple-java-mysql-wrapper

A simple Java MySQL wrapper imported from GFL's Gitlab.

database db java mysql simple wrapper

Last synced: 18 Mar 2025

https://github.com/cworld1/notie

Android note App complies with Material You specifications, developed using Java.

android java notes notes-app

Last synced: 15 Jul 2025

https://github.com/danukarangith/vehicle-servicecenter-management_system

My First Semester Final Project (JAVAFX STANDALONE SYSTEM WITH MVC ARCHITECTURE)

css jasper java javafx regex

Last synced: 10 Apr 2025

https://github.com/moderocky/mimic

A stronger alternative for Java's Proxy API. Allows the creation of 'mimicked' classes and interfaces with the ability to replace their method behaviour.

bytecode java java-17 proxy reflection

Last synced: 21 Mar 2025

https://github.com/finn-no/retriable-kafka-consumer

Retriable consumer pool for kafka

finn-no java kafka

Last synced: 10 Apr 2025

https://github.com/sondosaabed/taskaty

👩🏽‍🏫Taskaty is your go-to simple task managmnet mobile app. Your tool for effortlessly organainzg tasks. 👩🏽‍🏫

android-studio gradle gson java mobile-app sharedpreferences tasks-manager ui-design

Last synced: 09 Jul 2025

https://github.com/OpenIPC/LoTool

Internal chip information extractor from HiSilicon HiTool

java openipc tools

Last synced: 03 Apr 2025

https://github.com/grahamedgecombe/apiviz

A fork of APIviz with out of the box support for classes compiled with Java 8.

java javadoc

Last synced: 11 Apr 2025

https://github.com/matteo4diani/java-retrieval-augmented-generation

Retrieval Augmented Generation, Function Calling and Code Generation on GitHub Projects with Java

code-generation function-calling java langchain4j llm ollama openai-api rag retrieval-augmented-generation spring

Last synced: 07 Oct 2025

https://github.com/darmiel/eeee

Small Framework for University Exercises

framework java university

Last synced: 13 Apr 2025

https://github.com/powersystem2024/dynamic-devs

Repositorio del grupo "DynamicDevs⚡", estudiantes de la Tecnicatura Universitaria en Programación UTN

backend frontend java javascript programming python vuejs web website

Last synced: 11 Apr 2025

https://github.com/pasan-pahasara/spring-boot-crud

This Project is introduced learning Spring Boot Basic CRUD Operation.

hibernate java mysql spring-boot

Last synced: 11 Apr 2025

https://github.com/juliaaano/rhpam-quickstart

A collection of artifacts to get you started with Red Hat Process Automation Manager / PAM.

drools java jbpm kie-server rhpam rhpam-springboot

Last synced: 18 Mar 2025

https://github.com/abdelillahbel/winiwalkandroid

WiniWalk is a fun and motivating walking app designed to turn every step into a chance to win! Whether you're a fitness enthusiast or just looking to stay active, WiniWalk provides a unique and enjoyable way to track your walking progress while giving you the opportunity to earn rewards and prizes along the way.

android-app firebase-realtime-database fitness-app idea java kotlin-android open-source steps-counter

Last synced: 17 Aug 2025

https://github.com/hibernate/hibernate-ogm-cassandra

Hibernate OGM integration with Cassandra

cassandra hibernate java

Last synced: 13 Apr 2025

https://github.com/ashish2030/upgrad-assignment

ᴛʜɪꜱ ɪꜱ ᴍʏ ꜱᴍᴀʟʟ ᴊᴀᴠᴀ ɢʀᴀᴅᴇᴅ ᴀꜱꜱɪɢɴᴍᴇɴᴛ ɢɪᴠᴇɴ ʙʏ ᴜᴘɢʀᴀᴅ

bfs-algorithm dfs-algorithm dijkstra-algorithm graph java shortest-path-algorithm upgrad

Last synced: 20 Jun 2025

https://github.com/islati/commons

🧩 Plugin Development Framework for Spigot / Bukkit (Minecraft) Servers. Abstracted away all boiler plate code, now just focus on creating content 🥽

java minecraft minecraft-plugin minecraft-plugin-development

Last synced: 14 May 2025

https://github.com/kavithma-thushal/socketprogramming

This is learning about Introduction of Java Socket Programming in GDSE66

java javafx simple-ui socket-programming

Last synced: 11 Jul 2025

https://github.com/hashimsaffarini/data_structures_course

Complete Java Data Structures course with custom implementations, problem-solving, and clean examples. Perfect for students and self-learners.

data-structures java oop problem-solving

Last synced: 21 Jul 2025

https://github.com/islamdidarmd/loadingbutton

A small utility to show loading animation inside a button

android button java kotlin loading loadingbutton ui

Last synced: 13 Jul 2025

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

Mirror of Apache Brooklyn docs

brooklyn cloud java

Last synced: 13 Apr 2025

https://github.com/virgiledjimgou/android-application-for-traffic-sign-recognition

Android App APTSR is an advanced driver assistance system that recognizes and relays traffic sign information to drivers via the smartphone screen or instrument panel. APTSR systems can recognize speed limit signs, do not enter signs, and stop signs ...etc. APTSR aims to help make drivers more aware and able to make better safer driving decisions.

android-application deep-learning gps java tensorflow2 traffic-sign-classification

Last synced: 24 Apr 2026

https://github.com/pascalgn/jiracli

JIRA Command Line Interface

java jira-cli jira-rest-api

Last synced: 18 Mar 2025

https://github.com/hms-core/hms-5g-modem-demo

HUAWEI 5G Modem Kit sample code covers the android API of 5G Modem SDK. Guided by this demo, you can lerarn how to utilize the crowdtesting function of 5G Modem Kit to query modem parameters.

5g hms huawei java modem

Last synced: 18 Jul 2025

https://github.com/lslxy1021/DYB

斗鱼弹幕Demo

database douyu-barrages java mysql

Last synced: 27 Mar 2025

https://github.com/loweredgames/voidblock

The original Skyblock has been modernized and updated to the latest versions of Minecraft...

java maps minecraft skyblock

Last synced: 02 Apr 2026

https://github.com/pixel-clover/uview

A cross-platform tool for viewing and modifying Unity package files

desktop-application game-development java java-21 java-application unity unity-package-manager unity3d

Last synced: 19 Apr 2026

https://github.com/aymane-maghouti/big-data-project

This project aims to predict smartphone prices using a combination of batch and stream processing techniques in a Big Data environment. The architecture follows the Lambda Architecture pattern, providing both real-time and batch processing capabilities to users.

apache-airflow apache-kafka apache-spark batch-processing big-data-projects hbase hdfs ingestion java lambda-architecture machine-learning postgresql-database powerbi pyspark python spring-boot streaming

Last synced: 29 Oct 2025

https://github.com/Simsilica/SimFX

Game effects library.

java jmonkeyengine jmonkeyengine3

Last synced: 19 Mar 2026

https://github.com/civitz/viper

A generator and a framework for injecting configurations via CDI

cdi configuration injection java javaee

Last synced: 14 Jan 2026

https://github.com/patrickfav/singlestep-kdf

Implementation of the single-step key derivation function (KDF) as described in NIST Special Publication 800-56C Rev1 supporting messages digest and HMAC.

cryptography hmac java kdf key-agreement key-derivation key-derivation-function message-digest nist nist800-56 secretkey security singlestep-kdf

Last synced: 09 Apr 2025

https://github.com/bvolpato/ghostme4j

:ghost: Ghost Me - Java HTTP Proxifier

anonymous java privacy proxy user-agent

Last synced: 11 Apr 2025