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/oiue/oiue

如果你同我一样对耦合深恶痛绝 Open Intelligent Unitive Efficient [开放 智能 统一 高效] 用积木思想编程,低门槛、轻量化、标准化、架构解耦、模块化以及去框架

framework ios java jwt microservices nospring nospringcloud quartz redis saas service-graph service-mesh shop tcp zookeeper

Last synced: 14 Apr 2025

https://github.com/praj-foss/opengl-graal-examples

Simple OpenGL demo using GraalVM

graalvm java opengl

Last synced: 15 Apr 2025

https://github.com/madhavjivrajani/simdfa

Simulations of deterministic finite automata in different languages!

cpp dfa go golang hacktoberfest haskell java javascript julia nfa nim oops oops-in-cpp oops-in-python python racket rust simulation

Last synced: 17 Mar 2025

https://github.com/houarizegai/masprojects

Multi-agent system projects

java multi-agent multi-agent-system

Last synced: 10 Apr 2025

https://github.com/anishlearnstocode/hackerrank-problem-solving-skill-test

Contains solved programs for the HackerRank Problem Solving (Basics) Skill Test Certification 🎓.

algorihms certificate certification data-structures hackerrank java problem-solving

Last synced: 10 Apr 2025

https://github.com/eth0rium/mirage

Modern, half-finished, bytecode manipulation library aimed at the JVM

bytecode bytecode-manipulation java jvm reverse-engineering

Last synced: 10 Apr 2025

https://github.com/danijelaskov/towers-of-hanoi

An interactive 3D JavaFX application visualizing the process of solving the Towers of Hanoi puzzle.

3d-game animation computer-graphics gradle hanojske hanojske-kule interactive java java-11 java-fx kule projekat racunarska-grafika rg1 towers-of-hanoi vizualisation

Last synced: 10 Apr 2025

https://github.com/oriori1703/sigmatcher

Write signatures to automatically match java classes and methods between versions

android apk java reverse-engineering

Last synced: 14 Dec 2025

https://github.com/ivangfr/api-oha-benchmarker

api-oha-benchmarker is a tool to easily benchmark APIs. It uses Testcontainers to manage Docker containers. Load testing is done with OHA. To collect information such as CPU and memory usage, it uses the docker stats command. It also uses cAdvisor to visually monitor CPU and memory usage.

cadvisor docker java load-testing oha spring-boot testcontainers

Last synced: 10 Apr 2025

https://github.com/googtech/leetcode

☕ The learning note about data structures, algorithms, and leetcode problems, which are based on java、python、golang, and c++.

algorithms-and-data-structures c-plus-plus gitbook golang java leetcode note python

Last synced: 18 Mar 2025

https://github.com/kleinesfilmroellchen/sof-language

The Stack with Objects and Functions Programming Language, a pure stack-based reverse-polish-notation functional and object-oriented experimental programming language.

compiler compiler-construction interpreter java personal-programming-language personal-project programming-language sof sof-interpreter

Last synced: 11 Apr 2025

https://github.com/ivangfr/springboot-jpa-studies

The goal of this project is to study JPA Batch Processing (i.e, insert / update / delete a set of records in a single command) and JPA Locking.

database-batch database-locking docker java mysql postgresql spring-boot spring-data-jpa spring-web-mvc springdoc-openapi testcontainers

Last synced: 10 Apr 2025

https://github.com/sammers21/tg-cleaner

Automatically cleans up things you don't want to appear in a telegram chat

cleaner demo docker-image ignore java linux tdlib telegram telegram-chat

Last synced: 18 Mar 2025

https://github.com/selimhorri/end-studies-project-web

JEE Servlet & Jsp, End studies' project

java jdbc jsp mysql servlet

Last synced: 12 Apr 2025

https://github.com/vimaltiwari2612/android-assistant-chatbot

Its a basic level bot cum android assistant that uses the Liechtenstein distance algorithm to perform better. Interact with it and make it learn new things.

android-app android-application android-chat android-chat-application artificial-intelligence bot chat-bot java java-8 levenshtein-distance-algorithm machine-learning self-learning voice-assistant voice-recognition

Last synced: 29 Apr 2025

https://github.com/ambujraj/hacktoberfest2019

A repository for hacktoberfest 2019 [ Not counting towards hacktoberfest contribution ]

beginner-friendly c cpp digitalocean golang hacktober hacktoberfest hacktoberfest19 hacktoberfest2019 html java javascript nodejs php programming python python3 r ruby swift

Last synced: 09 Jul 2025

https://github.com/selimhorri/spark-application

Java Application, uses Apache Spark, handles batch as well as streaming processing

dataframes-api java mysql spark spark-batch spark-sql spark-streaming

Last synced: 12 Apr 2025

https://github.com/sammwyy/milkshake

MongoDB ORM/ODM for Java.

database java java-orm mongodb no-sql nosql odm orm

Last synced: 28 Oct 2025

https://github.com/flipkart-incubator/pulsar-weighted-consumer

Pulsar consumer clients offering priority consumption

apache-pulsar java messaging messaging-system priority-message pulsar

Last synced: 15 Jun 2025

https://github.com/oyzh1994/easyshell

A powerful, modern, cross-platform, multi-protocol client

cos ftp java javafx minio mysql obs oss redis rlogin s3 serialport sftp smb ssh telnet terminal vnc webdav zookeeper

Last synced: 09 May 2026

https://github.com/jhanvi857/corehttp

A lightweight Java 17 HTTP micro-framework with explicit routing, middleware composition, and production-focused runtime controls.

backend-engineering concurrency framework http-server java socket-programming tcp-ip

Last synced: 03 May 2026

https://github.com/shubh2-0/collection-framework

Collection Framework that makes our work lighter by providing useful da: Collection Framework repo offers practical implementations and theoretical insights into Java's powerful Collection Framework. Explore data structures, algorithms, and usage examples. Contribute, learn, and unlock the full potential of collections! 📚💻✨ #Java #Collections

arraylist collection-frameworks collections java linked-list queue set spring-boot

Last synced: 23 Apr 2025

https://github.com/hawkular/hawkular-client-java

Java client for Hawkular

hawkular java

Last synced: 12 Jun 2025

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/testng-team/reportng

An HTML/XML reporting plugin for TestNG

java report testing testng testng-reports

Last synced: 14 Jan 2026

https://github.com/apache/orc-format

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

apache big-data cpp java orc

Last synced: 09 Apr 2025

https://github.com/theanasuddin/grokking-algorithms-1st-edition-by-aditya-y.-bhargava

Grokking Algorithms: An Illustrated Guide for Programmers and Other Curious People 1st Edition by Aditya Y. Bhargava. All Data Structures and Algorithms Implemented In Java.

aditya-bhargava algorithms algorithms-and-data-structures algorithms-java data-structures data-structures-implementations data-structures-java grokking-algorithms grokking-algorithms-in-java illustrated-book java visual-learning

Last synced: 16 Aug 2025

https://github.com/obsidiansystems/haven

Use haskell to produce a nix set of maven dependencies!

android haskell java maven nix pom

Last synced: 12 Apr 2025

https://github.com/apache/geronimo-gshell

Mirror of Apache Geronimo gshell

geronimo http java javaee network-server web-framework

Last synced: 09 Apr 2025

https://github.com/grillbaer/persistentds

Persistent data structures - immutable copy-on-write lists, maps and sets for Java

copy-on-write immutability java persistent-data-structure

Last synced: 14 Jan 2026

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

Welcome to the Spring Security Repository🔐, your comprehensive resource for mastering application security. Dive into a variety of projects, from traditional authentication to JWT-based role authorization. Explore CORS handling and custom authentication providers. Let's fortify your app's defenses together! 🚀💪

authentication authorization java javasecurity jwt-authentication jwt-token learning-by-doing security-automation spring-boot spring-security springsecurity-jwt

Last synced: 23 Apr 2025

https://github.com/florianmichael/rclasses

Random collection of Java classes and utils in different submodules which together form a commons library

classes collection commons features java random utility utils

Last synced: 28 Apr 2025

https://github.com/nihatquliyev/employee-management-system

Simple employee management system

crud java java-arrays java-se

Last synced: 11 Mar 2026

https://github.com/AchiyaCT/ALPHA-V4

World best Sinhala/English WhatsApp Button Bot Developer Achi Fernando Enjoy Our Bot

alpha bot html java pyhton users whatsapp

Last synced: 11 Mar 2025

https://github.com/vdaburon/jmeter-graph-tool-maven-plugin

A maven plugin to include features from jmeter-plugins.org for JMeterPluginsCMD Command Line Tool to create graphs, export csv files from jmeter result files and Filter Result tool.

graph graphs java jmeter jmeter-charts jmeter-plugin jmeter-plugins jmeter-report jmx load-testing maven maven-plugin performance-testing performance-visualization

Last synced: 24 Apr 2025

https://github.com/daoud-hussain/university-management-system

Hello Internet! This is a console-based University management system designed in Java. Feel free to create a new file and don't hesitate to pull your code. You can download the source code for free. Permission Granted!

group-project java procedural-programming ums

Last synced: 25 Apr 2025

https://github.com/redhat-developer/intellij-common-ui-test-library

IntelliJ IDEA UI test library is a tool for creating automated UI tests for IntelliJ IDEA plugin projects.

gradle integration-test integration-testing intellij intellij-idea java jetbrains ui-testing

Last synced: 26 Oct 2025

https://github.com/sondosaabed/stock-market

Stock Market application using queues, stacks as data Structure. Java | JavaFX

data-structures java javafx-application queue stack stock-market

Last synced: 26 Oct 2025

https://github.com/ahmetkasif/kmaxit

Remake of Maxit Game using LibGDX (Outdated, will rebuild when i get some free-time)

artificial-intelligence game greedy-algorithms java libgdx

Last synced: 18 Jan 2026

https://github.com/shaoxiongdu/lol

基于JavaWeb的英雄联盟管理系统,数据源自官网,内附有爬虫代码,可爬取最新数据。

c3p0 java javaweb mysql

Last synced: 11 Oct 2025

https://github.com/filip26/iridium-cbor-ld

Semantic, self-describing binary format for Linked Data

cbor cbor-ld cborld compression java json-ld linked-data self-describing self-descriptive

Last synced: 19 Jan 2026

https://github.com/zabuzard/grawlox

Grawlox is a profanity filter which offers methods for detecting and replacing swearwords.

java profanity profanity-detection profanityfilter swearword text-utility utility-application

Last synced: 16 Mar 2026

https://github.com/minimallycorrect/javatransformer

Applies transformations to .java and .class files

java java-bytecode java-source java-transformation

Last synced: 14 Oct 2025

https://github.com/harshjuly12/hackerrank_java

Java Hackerrank Practice

java java-15 java-8

Last synced: 15 Oct 2025

https://github.com/gayanukaa/companya-backend

Backend for Subsystems of Company A

azure java mongodb ngnix-server spring-boot

Last synced: 19 Oct 2025

https://github.com/cloudfoundry-community/tomee-buildpack

Cloud Foundry buildpack for running Java applications using TomEE

buildpack cloud-foundry java java-buildpack tomee

Last synced: 13 Oct 2025

https://github.com/project-osrm/osrm-text-instructions.java

Transform OSRM route responses into localized text instructions (Android, Java)

android guidance java osrm turn-by-turn-navigation

Last synced: 02 Apr 2026

https://github.com/ksclarke/jiiify-presentation

A Java IIIF Presentation library

code4lib iiif iiif-presentation java

Last synced: 13 May 2026

https://github.com/vpetrigo/courses

Solutions for different courses

algorithm cpp graph java mooc python stepik

Last synced: 14 Feb 2026

https://github.com/ankan24/gfg-solutions

This repository contains solutions to various Data Structures and Algorithms (DSA) problems from GeeksforGeeks (GFG)

cpp dsa dsa-algorithm dsa-learning-series dsa-practice dsalgo java

Last synced: 07 Mar 2026

https://github.com/codophobia/javacricbuzz

A Java interface to cricbuzz, with options to get live scores and live commentary.

api cricbuzz cricket-api java

Last synced: 14 May 2025

https://github.com/chaoyangnz/zava

Mini Java VM in Zig

bytecode java java-8 jvm zig

Last synced: 22 Mar 2025

https://github.com/juliaaano/payload

Easy conversion of HTTP payloads (e.g. JSON, XML) for Java.

easy-conversion java json xml

Last synced: 18 Mar 2025

https://github.com/hncboy/thrifttogether

团节,一款团购 app

android group-purchase java shop shopping

Last synced: 24 Aug 2025

https://github.com/cityssm/pdfflattener

PDF Flattener - Secure PDF documents by making floating redactions and form entries permanent.

flatten java pdf pdf-flattener pdf-forms pdfbox redaction security

Last synced: 26 Jun 2025

https://github.com/danielgospodinow/dancho-s-rc-car

A simple Arduino-based RC car with Bluetooth connectivity, it also comes with an Android joystick mobile application

android arduino bluetooth bluetooth-controller c java rc-car

Last synced: 10 Apr 2025

https://github.com/fmarot/nativedependencies-maven

nativedependencies-maven-plugin is a Maven plugin helping you deal with native dependencies (be it .so, .dll...)

dependencies java maven-plugin native native-libraries

Last synced: 27 Aug 2025

https://github.com/openliberty/liberty-arquillian

Arquillian Liberty Managed and Remote containers

arquillian java liberty openliberty testing websphere

Last synced: 22 May 2026

https://github.com/anusikh/jvem

Java Version Manager (JVeM) is a cross-platform tool designed to simplify the management of multiple Java versions on your system

java jdk jvm nvm rust version-manager

Last synced: 10 Apr 2025

https://github.com/davidjbrossard/java-json-pep-sdk

This project provides a Policy Enforcement Point (PEP) SDK in Java that generates a XACML 3.0 authorization request and response in accordance with the JSON Profile of XACML 1.1.

abac access-control authorization java pbac security xacml

Last synced: 28 Jun 2025

https://github.com/xxrjun/cs61b-sp21

📖 Self-study of CS61B, the CS course (Data Structures, Spring 2021) at UC Berkeley by Josh Hug.

cs61b cs61b-sp21 data-structures java

Last synced: 12 Apr 2025

https://github.com/kbss-cvut/termit

An advanced SKOS terminology manager linking concepts to their definitions in documents

java rdf rest skos ufo

Last synced: 18 Feb 2026

https://github.com/reprezen/jsonoverlay

A framework for creating Java Parser + read/write API for JSON (or YAML) based languages

code-generator java json library pojo

Last synced: 14 Sep 2025

https://github.com/simple-java-mail/smtp-connection-pool

Lightweight SMTP connection pool with clustering support, wait/release mechanism, connection lifecycle management, eager/lazy loading pool with load balancing and auto-expiry policy support

concurrency connection-pool high-performance java pool smtp transport

Last synced: 16 Jan 2026

https://github.com/sondosaabed/huffman-interface

Huffman code interface. Java | JavaFX

huffman-coding java javafx-application

Last synced: 09 Apr 2025

https://github.com/vlsergey/spring-data-entity-security

Extension to Spring Data to add security filters to repositories

java security spring-data spring-data-jpa

Last synced: 12 Jul 2025

https://github.com/minhaskamal/ultimatecalculator

Basic Scientific Calculator (math-calculation-equation-unit-converter-unitconverter-advanced-mathematics-math-number)

advanced-calculator calculator equation java math mathematics scientific scientific-calculator scientific-computing unit-converter unitconverter

Last synced: 11 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/apache/aries-jpa

Apache Aries JPA

aries java library

Last synced: 22 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/umer0586/winkeyboard

A tiny Java helper for Windows for emulating keyboard via scan codes.

directinput game java keyboard keyboard-emulation scancodes

Last synced: 07 May 2025

https://github.com/shuai-xie/os-semaphore-traffic-java

大三下操作系统课设 - 交通信号灯模拟 - Java 接口

java os semaphore

Last synced: 03 Jul 2025

https://github.com/xxdark/jpreprocessor

Java C-like preprocessor.

java preprocessor

Last synced: 19 Apr 2025

https://github.com/forge-srl/bionic-js

Share JavaScript business logic in other languages.

android bionic-js ios java javascript node-js swift

Last synced: 14 Jul 2025

https://github.com/jamesnetherton/zulip-java-client

Java client for the Zulip REST API

java zulip zulip-api

Last synced: 25 Aug 2025

https://github.com/oroszgy/radixtree

Fork of the project http://code.google.com/p/radixtree

data-structures java javascript radix-tree radix-trie suffix-tree

Last synced: 23 Apr 2025

https://github.com/rqlite/rqlite-jdbc

Type 4 JDBC driver for rqlite

java jdbc jdbc-driver

Last synced: 18 Jan 2026