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/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/manojkumarpatnaik/sr.softwareengineerinterviewprep

Java programming. All in one Java Resource for learning. Updated every day and up to date. All Algorithms and DS along with Development in Java. Beginner to Advanced.

faang-interview interview interview-preparation interview-questions java java-8 maang microservice rest rest-api spring spring-boot

Last synced: 26 Oct 2025

https://github.com/mjfryc/mjaron-tinyloki-java

Tiny Grafana Loki client (log sender) written in pure Java 1.8 without any dependencies.

android android-library grafana grafana-loki java java-8 java-android java-se java8 library logger logging logs loki

Last synced: 26 Oct 2025

https://github.com/opcoach/genmodeladdon

An EMF addon to generate a source structure to separate the model generated code from the overriden code

eclipse-plugin eclipse-rcp eclipse4 emf emf-addon java model-driven-development modeling xtend

Last synced: 17 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/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/jerolba/bikey

Low memory footprint Map and Set implementation on objects with composited keys

bikey collections java map set table

Last synced: 12 Feb 2026

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/vinhkhuc/lbfgs4j

Java version of liblbfgs: http://www.chokkan.org/software/liblbfgs/

java machine-learning optimization

Last synced: 29 Jan 2026

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

Holon Platform Core module: represents the platform foundation, providing the definition of the overall architecture, base structures and APIs.

authentication authentication-backend authorization bom context core datastore holon holon-platform http java maven-bom properties rest spring spring-boot spring-security web-application web-framework

Last synced: 28 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/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/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/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/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/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/rameshmf/core-java-developers-guide

Core Java guide to Java beginners and experienced professionals

developer-guide java java-8

Last synced: 03 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/sunitroy2703/google-summer-of-code-2021-tensorflow

📌Final submission for Google Summer of Code at @Tensorflow ❤️

android bert google-summer-of-code gsoc ios java nlp swift tensorflow tensorflow-lite tflite

Last synced: 07 May 2025

https://github.com/tersesystems/debugjsse

Debug JSSE Provider

debug java jca jsse provider

Last synced: 09 Jul 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/dbubenheim/1z0-819

Preparation material and exercises for the Oracle Java SE 11 Developer 1Z0-819 exam.

1z0-819 certification enthuware-jq exam gradle java jdk jdk11 oracle study-guide

Last synced: 10 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/hms-core/hms-wallet-severdemo

This is sample code for how to use the HMS wallet server interface. The HMS wallet server interface contains REST APIs for six types of passes (Loyalty Card, Offer, Gift Card, Boarding Pass, Transit Pass, Event Ticket).

event-tickets giftcard hms huawei java maven pass restful wallet

Last synced: 02 Jul 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/oxguy3/craftboot

A bootstrapper for a versatile custom Minecraft modpack launcher

bootstrapper java minecraft skcraft-launcher

Last synced: 30 Apr 2025

https://github.com/sameetasadullah/bisto-chat-java-php

An Android Chatting Application coded in Java language using Android Studio. Backend is implemented in PHP Language i.e, APIs. Users can send messages, delete messages, edit messages, send images, and set their profile pictures

android-studio apache api chatting-app java java-android java-android-application java-android-studio-project mysql php xampp

Last synced: 10 Jul 2025

https://github.com/hellokoding/single-sign-on-out-jwt-cookie-redis-java-springboot-freemarker

Single Sign Out, Scalable Authentication Example with JSON Web Token (JWT), Spring Boot and Redis

architecture authentication cookie freemarker java jwt redis scale single-sign-on single-sign-out spring-boot sso

Last synced: 13 May 2025

https://github.com/itsmunim/kustron

A kustomize based kubernetes manifestation for deploying your services into GKE, AWS and Azure

aws azure configuration gke golang java kubernetes kustomize manifest nodejs spring-boot yaml

Last synced: 09 Jul 2025

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/accso/java9-jigsaw-depvis

DepVis (Java 9 Jigsaw Dependency Visualizer)

dependency graphviz java java9 jigsaw module module-graph visualization

Last synced: 22 Apr 2025

https://github.com/scienceveli/erp_system

🚀 نظام ERP الأقوى في السوق! 🌟 هل تبحث عن نظام متكامل لإدارة الأعمال وتحسين كفاءة الشركات؟ 💼🖥️ نحن في Scincael نقدم لك أفضل الأدوات والتقنيات لبناء نظام ERP يُساعدك في إدارة المشاريع، التواصل مع الفرق، وتخزين البيانات بشكل آمن وفعّال! 🔐💪 ✨ أدواتنا الرئيسية تشمل: Node.js 🔹

erp erp-application erp-devops html html-css-javascript java python python3 sql

Last synced: 24 Mar 2025

https://github.com/tananaev/json-patch

A JSON patch (RFC 6902) library

java json-patch

Last synced: 06 May 2025

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/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/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/shubh2-0/chatterbox

This repository contains a project focused on learning WebSockets. Explore real-time communication using Spring Boot and WebSockets. Experience instant messaging, group chat, and seamless collaboration. Enhance your skills in building interactive web applications with this hands-on project.

chatapplicationdemo css eclipse html java javascript lombok netlify real-time-app spring-boot springwebsocket vscode websocket

Last synced: 24 Jul 2025

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/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/keyvanakbary/memo

A CQRS and Event Sourcing blogging playground to explore Axon Framework

axon-framework cqrs event-sourcing java

Last synced: 26 Apr 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/radianceteam/everscale-client-java

Java library for TON-SDK Client

freeton java sdk ton-client wrapper

Last synced: 04 Feb 2026

https://github.com/taki0112/word2vecjava

Word2Vec In Java (2013 google word2vec opensource)

java word2vec

Last synced: 09 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/xjjdog/okmind

【全】【精校】思维导图,配套详解。markdown编写即可发布,可导出图片,可在线预览

java linux map markdown markmap mind mindmap okmind python xmind

Last synced: 24 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/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/sylvainhalle/mrsim

A simple MapReduce framework in Java

hadoop java mapreduce tuples

Last synced: 29 Oct 2025

https://github.com/koutto/java-binary-deserializer

Java Binary data Deserializer/Serializer - Convert serialized Java Objects into readable XML

binary-data deserialization java object pentest

Last synced: 23 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/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/samouraidev/bip47_rpc

BIP47 reusable payment codes

bip47 bitcoin bitcoinj java payment-codes

Last synced: 28 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/vashishthask/mocktail

Mocktail is a tool to cache the response of potentially any Java method call on the disk.

betamax database dependencies interfaces java mocking rest-api restful-api testing vcr

Last synced: 03 Apr 2026

https://github.com/joemar25/mother-chef

This is just for my hobby since I love to code. This repo contains random programs and problems that I solve using Java, Python, and Octave.

java octave python

Last synced: 26 Jul 2025

https://github.com/yushulx/android-camera-barcode-mrz-document-scanner

Android barcode, MRZ and document detection examples built with Dynamsoft Capture Vision SDK

android barcode code128 code39 datamatrix document java mobile mrz pdf417 qrcode

Last synced: 17 Mar 2025

https://github.com/jcabi/jcabi-maven-slf4j

SLF4J Binding for Apache Maven

java logging maven slf4j

Last synced: 27 Jun 2025

https://github.com/augustd/burp-suite-gwt-scan

Burp Suite plugin identifies insertion points for GWT (Google Web Toolkit) requests

burp burp-extensions burp-plugin burpsuite gwt java penetration-testing pentest

Last synced: 16 Jan 2026

https://github.com/litongjava/hotswap-classloader

hotswap-classloader is a dynamic class loader based on the JVM. It utilizes the HotSwapWatcher and HotSwapClassloader technologies to dynamically detect modifications to class files. This project was inspired by the hot loading design of jfinal-undertow.

classloader hotswap java spring spring-boot

Last synced: 26 Jul 2025

https://github.com/col-e/treemapfx

A simple TreeMap control for JavaFX

chart java javafx treemap ui

Last synced: 22 Mar 2025

https://github.com/starryalley/ambitsync

Android app to read Suunto Ambit watches and converts to GPX

android-app c java jni-android sports-app suunto usb-devices

Last synced: 26 Jul 2025

https://github.com/licenselynx/licenselynx

Deterministically map license strings to their canonical identifiers

deterministic java license-compliance license-mapping python typescript

Last synced: 18 Feb 2026

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: 08 May 2025

https://github.com/ziccardi/jnrpe

The jnrpe package repository

java monitoring nagios plugin

Last synced: 21 Mar 2025

https://github.com/yegor256/xsline

Declarative and Immutable Java Chain of XSL Transformations

java oop xml xsl xslt

Last synced: 07 Mar 2026

https://github.com/vi/android-udp-bus

Android tool to exchange UDP packets

android bridge bus hub java network port-forward rust udp

Last synced: 24 Jun 2025

https://github.com/samuel-oldra/scripts-java

⚪ Java

awt java

Last synced: 21 Mar 2025

https://github.com/jgperrin/net.jgp.books.spark.ch17

Spark in Action, 2nd edition - chapter 16 - exporting data, using delta lake

apache-spark delta-lake java java8 manning spark sparkwithjava

Last synced: 11 Jul 2025

https://github.com/mattsse/plcopen-xml-xcore

The PlcOpen Xml Standard implemented as Xcore model and with full gradle and maven support

ecore emf java plcopen xcore

Last synced: 07 May 2025

https://github.com/jbangdev/jbang-vscode

JBang extension for Visual Studio Code

java jbang vscode

Last synced: 11 Sep 2025

https://github.com/testdotai/java-selenium-sdk

🤖 Unleash the full power of test.ai into your Java Selenium tests

ai geckodriver google-chrome java safaridriver selenium selenium-java selenium-webdriver test-ai

Last synced: 23 Sep 2025

https://github.com/coordinates2country/coordinates2country

What country is at a particular latitude/longitude? This tiny Java library (less than 100kB) tells you in 50 milliseconds, without using the Internet.

android geocoder geocoder-library jar java library offline privacy reverse-geocoding

Last synced: 12 Jan 2026

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/hoangsonww/escape-the-cursor-game

🖱️ This repository hosts the "Escape the Cursor" game, developed in Java and JavaFX. It presents an engaging and challenging gameplay where players must navigate their cursor through various obstacles without being caught. This project showcases event handling and graphical user interface (GUI) design.

escape-the-cursor escape-the-cursor-game game game-development gamedev java java-app java8 javafx javafx-11 javafx-application javafx-games javafx-gui javafx-project

Last synced: 22 Sep 2025

https://github.com/moosemorals/managesievej

Manage Sieve protocol client library (in Java)

java sieve

Last synced: 14 Apr 2025

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/schubergphilis/tableau-confluence-plugin

Plugin for confluence to show Tableau graphs within Confluence

confluence embed-tableau-reports hacktoberfest java

Last synced: 31 Jul 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/apache/sling-org-apache-sling-api

Apache Sling API

java sling

Last synced: 05 Apr 2025

https://github.com/cweijan/http-test

Java测试框架, 用于对SpringMvc接口进行快速测试.

java

Last synced: 23 Mar 2025

https://github.com/forget-the-bright/j

Java Version Manager

go java java-version-manager jvm

Last synced: 11 Jan 2026

https://github.com/qi7chen/tabugen

一个表格配置导出和源码生成工具

cplus csharp excel-export golang java python

Last synced: 12 Jan 2026

https://github.com/sap-samples/security-research-taintgraphs

A tool to extract tainted code graphs from C/C++ and Java source code.

code extractor graphs java kotlin sample taintgraphs

Last synced: 13 Apr 2025

https://github.com/cezheng/jnicpp11

An Easy way to write JNI code in C++11

android cocos2d-x java jni

Last synced: 14 Apr 2025