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/itning/yunshu-notes-r

使用SpringBoot开发的基于HBASE的大数据存储分布式云计算笔记(后端)

hadoop hbase java redis scala spring-boot

Last synced: 29 Jun 2025

https://github.com/moderocky/mirror

A smart, fast alternative to Java's reflection API.

bytecode bytecode-manipulation java reflection reflection-library

Last synced: 23 Mar 2025

https://github.com/gw-kit/delta-coverage-plugin

Gradle plugin and CLI for computing code coverage of new/modified code based on a diff

code-coverage diff gradle-plugin intellij-coverage jacoco java kotlin

Last synced: 12 Mar 2026

https://github.com/pisces-hub/muchat

Muchat是用JAVA语言开发的轻量、高性能、单机支持几十万至百万在线用户IM,主要目标降低即时通讯门槛,快速打造低成本接入在线IM系统,通过极简洁的消息格式就可以实现多端不同协议间的消息发送如内置(Http、Websocket、Tcp自定义IM协议)

chat im java netty redis springboot tcp zookeeper

Last synced: 12 Apr 2025

https://github.com/afarber/android-questions

Small projects for asking at Stackoverflow

android java stackoverflow

Last synced: 05 Oct 2025

https://github.com/coralblocks/coralcpp

Call Java from C++ and C++ from Java with a variety of old and new projects like JNI, JNA, JNR, FFM, JExtract, BridJ, GraalVM, JNI-Bind, etc.

bridj cpp ffm graalvm graalvm-native-image java jextract jna jni jni-bind jnr jnr-ffi jvm

Last synced: 28 Apr 2025

https://github.com/lujiafa/houtu-admin

Enterprise-level permission management system based on Houtu framework, with frontend-backend separation (Vue 3 + Spring Boot). Supports menu/role/user/organization/position permission control, MFA two-factor authentication, multiple layout modes, and Chinese/English internationalization.

admin-system element-plus enterprise houtu i18n java mfa mybatis-plus permission-management redis spring-boot spring-security vue3

Last synced: 14 Jun 2026

https://github.com/manticore-projects/jsqlformatter

Java SQL Formatter, Beautifier and Pretty Printer

beautify formatter java mssql mysql oracle postgres pretty-print sql

Last synced: 26 Aug 2025

https://github.com/obydux/minecraft-startup-flags

Modern way of optimizing garbage collection in Minecraft: Java Edition

flags gc-tuning generational-zgc java java-21 jvm minecraft optimization tuning zgc zgenerational

Last synced: 15 Aug 2025

https://github.com/neomatrix369/chatbot-conversations

Chatbot conversations: a demo application how two (or more) chatbots can talk to each other, the logic used to build Eliza (along with an NLP model) has been used to power the chatbots.

ai chat-application chatbot eliza eliza-chatbot graalvm helidon helidon-example java ml nlp python quarkus text

Last synced: 14 Jun 2025

https://github.com/vy/rotating-fos

Java library providing rotating/rolling FileOutputStream.

fileoutputstream java

Last synced: 12 Apr 2025

https://github.com/cronn/ssh-proxy

Pure Java implementation for SSH port tunneling that understands ProxyJump and ProxyCommand

java ssh tunnel

Last synced: 01 May 2025

https://github.com/calimero-project/calimero-tools

A collection of KNX network tools for device discovery, process communication, and monitoring

cli command-line java knx

Last synced: 09 Apr 2025

https://github.com/ehsaniara/spring-boot-multi-data-source

:rocket: Spring Boot 2.2.2 with Multiple DataSource for Postgres Data Replication

datasource datasource-read java multiple-da postgresql spring-boot

Last synced: 06 Mar 2026

https://github.com/simonscholz/qr-code-with-logo

Create a highly customizable QR code with optional Logo in Kotlin or Java

awt-graphics java kotlin library logo maven-central qr qrcode qrcode-generator svg

Last synced: 18 Jul 2025

https://github.com/hgwood/java8-streams-and-exceptions

Experiments with dealing with exceptions while using the Stream API

exceptions java streams

Last synced: 30 Oct 2025

https://github.com/cloudsimplus/cloudsimplus-automation

A Java 17+ tool for Human-Readable Scenario Specification and Automated Creation of Simulations on CloudSim and CloudSim Plus 🌥⚙️📄👨‍💻

automation cloudsim cloudsim-plus java simulation simulation-scenario yaml

Last synced: 18 Dec 2025

https://github.com/The-Nefarious-Developer/eclipse-ai-assistant

An Eclipse AI Assistant that connects with SAP AI Core deployments to provide a "copilot" experience to ABAP Developers on the cloud and on-premise

abap ai assistant copilot eclipse gpt ide java joule maven-thyco sap

Last synced: 30 Oct 2025

https://github.com/nandtel/spring-boot-angular2-starter

Starter application. Spring Boot, Angular 2, TypeScript, Gulp, Gradle, SCSS.

angular2 gradle gulp heroku java livereload scss spring-boot typescript

Last synced: 04 Mar 2026

https://github.com/arun-gupta/lambda-rds-mysql

Shows how to use a Lambda function to store data in an RDS instance

aws database hibernate java lambda mysql rds serverless

Last synced: 25 Oct 2025

https://github.com/mmtk/mmtk-openjdk

OpenJDK binding for MMTk

java mmtk openjdk vm

Last synced: 10 Feb 2026

https://github.com/col-e/ll-java-zip

Lower level ZIP support for Java

java zip zipfile

Last synced: 16 Mar 2026

https://github.com/cucumber/messages

A message protocol for representing results and other information from Cucumber

dotnet elixir go java javascript perl php polyglot-release ruby tidelift

Last synced: 25 Jan 2026

https://github.com/americanexpress/synapse

Synapse is a set of lightweight foundational framework modules for rapid development, built-in with enterprise-grade maturity and quality.

cloud-functions faas java native reactive rest rest-api spring webflux

Last synced: 12 Oct 2025

https://github.com/yegor256/hangman

Hangman (the game) written in a very unelegant procedural style, which you can improve in order to test your skills

game hangman-game java oop

Last synced: 07 Apr 2025

https://github.com/benelog/one-ftpserver

Simple, portable FTP server for one user by one executable jar file.

ftp java

Last synced: 04 Sep 2025

https://github.com/a2ap/a2a4j

A2A4J is a comprehensive Java implementation of the Agent2Agent Protocol, including server, client, examples, and starters.

a2a a2a-client a2a-protocol a2a-server ai java llm mcp spring springboot

Last synced: 14 Jan 2026

https://github.com/sing-group/gc4s

GUI Components for (Java) Swing

gui gui-components java library swing

Last synced: 03 Jul 2025

https://github.com/commercetools/commercetools-sync-java

Java library for importing and syncing (taking care of changes) data into one or more commercetools projects from external data files or from another commercetools project.

commercetools commercetools-importer commercetools-sdk commercetools-sync ecommerce hacktoberfest import-and-export java sdk sync

Last synced: 06 Apr 2025

https://github.com/idouble/iot-arduino-game-controller-java

🎮 A Game controller realized with an Arduino, I modified the Arduino bootloader to program with Java ☕️

analog arduino arduino-boards arduino-game arduino-library arduino-sketch arduino-uno bootloader cheatsheet controller digital game-controller internet-of-things iot java keyboard mouse

Last synced: 08 Mar 2026

https://github.com/depromeet/14th-team5-be

디프만 14기 개발하다가 5잉~ 금지 SERVER 🖥️

backend java jpa mvc springboot

Last synced: 04 Mar 2026

https://github.com/mishmash-io/opentelemetry-server-embedded

OpenTelemetry and logs, metrics, traces, profiles analytics, united by mishmash io.

apache druid java opentelemetry otlp parquet superset vertx

Last synced: 11 Feb 2026

https://github.com/ivangfr/spring-data-jpa-r2dbc-mysql-stream-million-records

In this project, we will implement two Spring Boot Java Web application called, streamer-data-jpa and streamer-data-r2dbc. They both will fetch 1 million of customer's data from MySQL and stream them to Kafka. The main goal is to compare the application's performance and resource utilization.

cadvisor docker java jconsole jib kafdrop kafka mysql spring-boot spring-cloud-stream spring-data-jpa spring-data-r2dbc spring-web-mvc spring-webflux

Last synced: 10 Apr 2025

https://github.com/daichi-m/jach

Briging Golang's channels to Java

golang-channels java

Last synced: 12 Jan 2026

https://github.com/chriy/pighelper

:pig:基于Hybrid+SSM的养猪信息化管理平台,该平台实现了对实时新闻,猪价的爬虫获取,以及各类养殖账单的增删改查等等。该项目适配了移动端界面,最终通过Hybrid混合式App开发技术打包成App,安装在移动端使用

java layui mybatis spring spring-mvc

Last synced: 26 Aug 2025

https://github.com/taketoday/today-web

😐 A Java library for building web applications

framework high-performance java java-web lightweight servlet springmvc

Last synced: 03 Oct 2025

https://github.com/gurubalan-git/ccc

Code. Compete. Collaborate. An initiative taken to code and help people code from A-Z aimed majorly at placements, by collaborators from around the globe.

c campus-placements coding-challenge coding-interviews coding-standards community-project competitive-coding competitive-programming cpp java open-source placements python

Last synced: 25 Jul 2025

https://github.com/akhuntsaria/spring-boot-api-gateway

API authentication gateway written using Spring Boot, Zuul, Eureka and JWT.

eureka java jwt microservices spring spring-boot zuul zuul-proxy

Last synced: 17 Jan 2026

https://github.com/hexensemble/gb-usb-64m-cart-mac

macOS app for the “GB USB Smart Card 64M” Gameboy cartridge. 💾

cartridges gameboy java macosx

Last synced: 19 Apr 2025

https://github.com/commonjava/indy

Simple artifact proxy for maven and similar build tools

java maven npm repository-management

Last synced: 24 Dec 2025

https://github.com/chargebee/chargebee-java

Java library for the Chargebee API.

chargebee java

Last synced: 15 Jun 2026

https://github.com/porkstudios/porklib

Fast, lightweight libraries for Java. Note: this is very much a work-in-progress, documentation is spotty and the API is changing constantly!

high-performance java library modular

Last synced: 19 Jul 2025

https://github.com/mnestorov/regex-patterns

This repository contains regular expression (regex) patterns for validating phone numbers postal codes, VAT numbers, dates, currency, credit/debit cards etc. for European countries (but not only).

csharp csharp-regex european java java-regex javascript javascript-regex js-regex php php-regex python python-regex regex regex-match regex-pattern regex-patterns regex-validator ruby

Last synced: 12 Jul 2025

https://github.com/kojofosu/TwitterApiKit

Twitter's API v2 Objectified. This will save you time from creating data objects to access twitter's API v2. This library is supported on Gradle, Maven, Java, Kotlin, and Android projects.

android api gradle java kotlin maven twitter twitterapi

Last synced: 08 May 2025

https://github.com/kimkevin/HangulParser

[Java&Android] HangulParser is to parse Hangul to Jaso(basic consonant and vowel) by using Unicode

android hangul java unicode vowel

Last synced: 11 May 2025

https://github.com/yihleego/trie4j

📒 An Aho-Corasick algorithm based string-searching utility for Java. It supports tokenization, ignoring case, replacing text. So you can use it to find keywords in an article, filter sensitive words, etc.

aho-corasick go java keywords sensitive stopwords string-searching

Last synced: 15 Jul 2025

https://github.com/mariazevedo88/artigo-solid-medium

Implementações dos exemplos demonstrados no artigo: https://bit.ly/2o97vY1

artigo exemplos-demonstrados java java-8 medium medium-article solid solid-principles

Last synced: 19 Apr 2025

https://github.com/pubref/rules_maven

Transitive maven dependencies with Bazel.

bazel gradle java maven transitive-closure

Last synced: 04 Sep 2025

https://github.com/xing/xing-android-sdk

The Official XING API client for Java/Android

android api api-client java moshi oauth xing xing-api

Last synced: 14 Jan 2026

https://github.com/kyoripowered/indra

A set of Gradle plugins to apply common organization build settings.

gradle-plugin hacktoberfest java kotlin

Last synced: 06 May 2025

https://github.com/ugioni/selenium-webdriver-java

Cucumber, Selenium WebDriver, Junit, Java and Maven.

e2e java selenium selenium-webdriver webdriver

Last synced: 02 May 2025

https://github.com/buaadreamer/buaa-compile-2021

2021年北航编译课程设计,基于SysY文法的MIPS编译器

c compiler java

Last synced: 11 Apr 2025

https://github.com/llorllale/cactoos-matchers

Elegant object-oriented hamcrest matchers

cactoos elegantobjects hamcrest-matchers java junit oop unit-test

Last synced: 27 Mar 2025

https://github.com/chinalike/jsbridge

Android 中 WebView 与原生通信

bridge java javascript webview

Last synced: 14 Jul 2025

https://github.com/venwyhk/spring-social-wechat

基于spring-social微信第三方登录实现,支持微信开放平台、微信公众平台和企业微信。

java oauth2 spring-boot spring-social wechat wecom

Last synced: 02 Aug 2025

https://github.com/crowdcode-de/kissmda

Keep It Simple Stupid, MDA!

java mda uml

Last synced: 15 Jun 2025

https://github.com/lovethefrogs/optigraph

Optimum graph creation and distribution for underground networks.

algorithms graph gui java

Last synced: 14 Apr 2025

https://github.com/swiesend/secret-service

A Java library for storing secrets under linux in the gnome-keyring over D-Bus. Like libsecret, but for Java.

dbus dbus-java gnome gnome-keyring java java-library jvm keyring libsecret linux password password-store password-vault scala secret-service secrets storing-secrets

Last synced: 04 Oct 2025

https://github.com/albfernandez/itext2

Java Library to create and manipulate PDF on the fly

java

Last synced: 14 Jan 2026

https://github.com/sap/sailing-analytics

The Sailing Analytics, formerly known as the "SAP Sailing Analytics," are a solution for portraying and analyzing sailing regattas, support training scenarios, and power the vast archive at https://sapsailing.com.

analytics android gwt java osgi sailing sap web

Last synced: 28 Jun 2026

https://github.com/CrazyLeoJay/nginx-gui

Nginx GUI Manager

java springboot2

Last synced: 04 May 2025

https://github.com/TAKETODAY/today-web

😐 A Java library for building web applications

framework high-performance java java-web lightweight servlet springmvc

Last synced: 12 May 2025

https://github.com/cicsdev/cics-banking-sample-application-cbsa

CICS® banking sample application

java maven-pom spring-boot

Last synced: 05 Mar 2026

https://github.com/gigaherz/toolbelt

A simple mod that adds a belt for carrying tools

forge-mod java java-8 minecraft minecraft-forge-mod minecraft-mod

Last synced: 11 Oct 2025

https://github.com/hoangsonww/the-stickynotes-app

📌 Welcome to The StickyNotes App, your new digital space for quick notes, brainstorming ideas, and keeping track of tasks. There are both web app and mobile versions - the latter is under review and will be published soon!

cordova cql css html java javascript kotlin machine-learning note note-taking notebook notes notes-app notes-tool pytorch react sql sticky-notes swift

Last synced: 01 Jul 2025

https://github.com/OrienteerBAP/wicket-orientdb

Everything you need to work with Apache Wicket and OrientDB

java orientdb orienteer wicket

Last synced: 13 Mar 2025

https://github.com/woowacourse-teams/2024-code-zap

코드 템플릿, Zap싸게 저장하고! Zap싸게 공유하자! 코드잽 ⚡

chrome-extension java react spring-boot typescript

Last synced: 13 Apr 2025

https://github.com/KyoriPowered/event

An event bus.

eventbus java

Last synced: 26 Apr 2026

https://github.com/ladingwu/compiler_java_python

简易编译器实现,最终翻译成伪汇编代码

compiler java

Last synced: 27 Jul 2025

https://github.com/kojofosu/twitterapikit

Twitter's API v2 Objectified. This will save you time from creating data objects to access twitter's API v2. This library is supported on Gradle, Maven, Java, Kotlin, and Android projects.

android api gradle java kotlin maven twitter twitterapi

Last synced: 22 Mar 2025

https://github.com/oeljeklaus-you/loganalyzehelper

论坛日志分析系统清洗程序(包含IP规则库,UDF开发,MapReduce程序,日志数据)

hadoop java

Last synced: 28 Jun 2025

https://github.com/Hangman/TuningFork

Advanced 3D audio features for libGDX desktop users.

audio audio-engine audioengine game-development java libgdx sound sound-effects

Last synced: 01 Apr 2025

https://github.com/brunobonacci/1config

A command line tool and a library to manage application secrets and configuration safely and effectively.

aws aws-lambda clojure configuration configuration-management java security

Last synced: 17 Mar 2025

https://github.com/xxdark/stringscrambler

Hide strings in memory (PoC)

hide java memory string

Last synced: 25 Jun 2025

https://github.com/stevespringett/cvss-calculator

A Java library for calculating CVSSv2 and CVSSv3 scores and vectors

cvss cvssv2 cvssv3 java library nist nvd

Last synced: 06 Apr 2025