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/ivangfr/springboot-keycloak-mongodb-testcontainers

The goals of this project are to: 1) Create a Spring Boot application that manages books, called book-service; 2) Use Keycloak as OpenID Connect provider; 3) Test using Testcontainers; 4) Explore the utilities and annotations that Spring Boot provides for testing applications.

docker integration-testing java keycloak mongodb oauth2-resourceserver spring-boot spring-data-mongodb spring-security spring-web-mvc springdoc-openapi testcontainers unit-testing

Last synced: 12 Oct 2025

https://github.com/kuroppoi/brainwine

A portable private server for Deepworld.

deepworld java private-server server-emulator

Last synced: 17 Jan 2026

https://github.com/ai-forever/spring-ai-gigachat

Spring AI extension for GigaChat LLM

gigachat java kotlin spring-ai

Last synced: 01 Feb 2026

https://github.com/resourcepool/training-java

A 2-month fulltime java training around an incremental project. Java / JSP / Servlet / Maven / JUnit / Mockito / Selenium / Spring / Hibernate / JPA / Hikari CP / Jackson / Spring MVC / Spring Security / Gatling

docker-container java spring-mvc spring-security training

Last synced: 24 Oct 2025

https://github.com/3kuai/hanbo-db

hanboDB is a high available,low latency memory database system

java message-queue netty4 pubsub redis-server

Last synced: 26 Apr 2026

https://github.com/nuno-faria/sokoban-game

A sokoban game made in Java with JavaFX

coop game java javafx multiplayer puzzle sockets sokoban

Last synced: 19 Apr 2025

https://github.com/mapteb/simple-state-machine

A simple Java state machine for Spring Boot projects

finite-state-machine fsm java spring-boot state-machine statechart statemachine

Last synced: 03 May 2025

https://github.com/ingef/conquery

Visual, interactive queries against big databases

big-data big-data-analytics java

Last synced: 08 May 2025

https://github.com/handsomestwei/sl651-2014

sl651-2014水文通讯协议netty服务端实现

java netty4 sl651-2014 springboot

Last synced: 20 Jul 2025

https://github.com/saeg/asm-defuse

ASM powered by definitions/uses analysis

asm java

Last synced: 10 Feb 2026

https://github.com/wkgcass/jdkman

Manage multiple JDK instances.

command-line-tool java native-image

Last synced: 08 Mar 2026

https://github.com/hakky54/java-tutorials

📝 A repository containing different java tutorials

elasticsearch grpc java log-captor mockito security spring ssl tls tutorial unit-testing websocket

Last synced: 14 Apr 2025

https://github.com/gdut-yy/leetcode-hub-java

基于 java21 + maven3.9 + junit5 + jacoco 的 leetcode + codeforces + atcoder + nowcoder 练习仓库。

algorithm algorithms atcoder codeforces jacoco java java17 java21 junit5 leetcode luogu nowcoder oj oj-solutions unit-test

Last synced: 16 Mar 2025

https://github.com/thedumbtechguy/folio

A Page based navigation framework for Android with a simplified lifecycle and easy transition animations.

android fragments java lifecycle navigation navigation-framework page

Last synced: 23 Jul 2025

https://github.com/dzuvic/jtsgen

Convert Java Types to TypeScript

annotation-processor java processor typescript typescript-generator

Last synced: 14 Jan 2026

https://github.com/asaph/twofactorauth

Google Authenticator compatible 2-Factor Auth in Java

2fa 2factor google-authenticator java

Last synced: 12 Apr 2025

https://github.com/davidsusu/tree-printer

Java library for visualizing tree structures in the command line

ascii-art command-line java library tree tree-viewer unicode-art

Last synced: 14 Jan 2026

https://github.com/poppsya/mediateka

The app demonstrates principles of usecases with RxJava2 , Dagger2 , Room , MVP , Mockito and Clean Architecture in Android. 📚

android android-application android-cleanarchitecture clean-architecture dagger2 gson java kotlin kotlin-android mockito-framework mvp mvp-android retrofit room room-android room-persistence-library rxjava-android rxjava2 testing unit-testing

Last synced: 16 Aug 2025

https://github.com/ksoichiro/gradle-build-info-plugin

Gradle plugin to include build information such as Git commit ID to your JAR. It can be used to show Git commit information with Spring Boot Actuator.

gradle gradle-plugin java spring-boot

Last synced: 12 Apr 2025

https://github.com/jenkinsci/webhook-step-plugin

Jenkins Pipeline plugin for blocking a pipeline until an external system calls a webhook.

java

Last synced: 09 Apr 2025

https://github.com/helpermethod/zip-forge

A tiny, formatter-friendly Java DSL for creating ZIP files.

dsl groovy java java-8 kotlin zipfile

Last synced: 13 Jun 2025

https://github.com/woowacourse-teams/2022-moragora

주제만 정해주세요, 출첵은 제가할게요! ✅

java javascript jpa react spring spring-boot typescript

Last synced: 13 Apr 2025

https://github.com/diennea/blazingcache

Blazing Fast Distributed Cache

caching distributed java jcache

Last synced: 02 Feb 2026

https://github.com/soumyadip007/dbj.jar

An Open-source Library for replacement of native JDBC protocol , DBJ.jar can easily connect to database with some Method, So user have to give the credentials and the parameter into the function ,DBJ will handle the rest part(Connection, Driver Manager, Prepared Statement, Resultset etc)

bean connection dao jar java jdbc-driver mysql open-source oracle

Last synced: 21 Mar 2025

https://github.com/apache/groovy-website

Apache Groovy content to generate sites

groovy java library

Last synced: 05 Apr 2025

https://github.com/29dch/leetcode-mycodescollection

我的LeetCode做题代码分方向汇总集合 :fire:

cpp java leetcode python3 shell sql

Last synced: 29 Apr 2025

https://github.com/dreamcats/online-interview

在线面试助手:包含各个大厂的面经、算法题、知识点,并且小程序包含长按复制和点击图片预览功能,同时小程序继续优化和开发。

interview java python wx

Last synced: 19 Apr 2025

https://github.com/xxdark/deencapsulation

For those, who does not want to deal with Jigsaw

java jigsaw

Last synced: 19 Apr 2025

https://github.com/chorus-bdd/chorus

The Chorus BDD interpreter - Executable specifications for distributed systems

bdd bdd-framework bdd-tests chorus distributed-systems gherkin integration-testing integration-tests java javascript testing

Last synced: 11 Apr 2025

https://github.com/xedziu/keepmypassword-desktop

KeepMyPassword for Desktop - keep your passwords locally and secure.

hacktoberfest java javafx javafx-desktop-apps

Last synced: 02 Jul 2025

https://github.com/xvik/guice-validator

Guice javax.validation method validation integration

guice java validator

Last synced: 13 Apr 2025

https://github.com/mini2dx/miniscript

A scripting library for Java-based games

game java libgdx lwjgl mini2dx scripting

Last synced: 15 Apr 2025

https://github.com/akshayp7/playwright-java-cucumber

This is Boilerplate/Template for Playwright with Cucumber Java and JUnit for Assertions with Spark Extent reporting for HTML and PDF

cucumber extentreports java junit playwright

Last synced: 12 Apr 2025

https://github.com/madonahs/machine-learning

🌎 I created this repository for educational purposes. It will host a number of projects as part of the process .

java linear-programming linear-regression machine-learning matrices matrix-multiplication neural-network neural-networks python r tensorflow tensorflow-experiments tensorflow-models

Last synced: 02 Jun 2026

https://github.com/rcsb/colorbrewer

:rainbow: Create color blind friendly color palettes in Java

color-palette colorblind colorbrewer colorpicker java

Last synced: 11 Jan 2026

https://github.com/vaadin/base-starter-flow-quarkus

A project base/example for using Vaadin with Quarkus

java quarkus vaadin

Last synced: 10 Sep 2025

https://github.com/TweetyProjectTeam/TweetyProject

TweetyProject is a collection of Java libraries that implement approaches to different areas of artificial intelligence.

argumentation artificial-intelligence java java-libraries knowledge-representation symbolic-artificial-intelligence

Last synced: 10 Jan 2026

https://github.com/davidmoten/odata-client

Java client generator for a service described by OData CSDL 4.0 metadata. Includes Microsoft Graph clients (v1.0 and Beta), Graph Explorer client, Analytics for DevOps, Dynamics CRM clients

azure-devops dynamics-crm java microsoft-graph microsoft-graph-sdk odata odata-services

Last synced: 09 Apr 2025

https://github.com/komma/komma

KOMMA - RDF object mapper for Java

java modeling object-mapper object-mapping rdf sparql

Last synced: 01 Aug 2025

https://github.com/leakyabstractions/result

🎱 A Java library to handle success and failure without exceptions

error-handling exception-handling exceptions functional-programming java java-library library monad result

Last synced: 09 Mar 2026

https://github.com/woowacourse-teams/2023-naaga

장소의 사진을 보고 걸어다니며 추리하는 게임 서비스: "나아가"🕵🏻‍♂️

android java kakao-api kotlin kotlin-android naver-api spring spring-boot

Last synced: 13 Apr 2025

https://github.com/NTNU-IHB/FMI4j

FMI4j is a software package for dealing with Functional Mockup Units (FMUs) on the JVM

co-simulation fmi fmi-standard fmu java kotlin model-exchange

Last synced: 05 May 2025

https://github.com/questcraftplusplus/pojlib

A Minecraft: Java Edition launcher library partially made with the PojavLauncher base.

java minecraft questcraft

Last synced: 19 Jun 2025

https://github.com/lkmc2/awesomevideo

基于Spring Boot的《倾心短视频》小程序的后端API服务

java mybatis mybatis-generator mysql redis spring-boot swagger2

Last synced: 08 Mar 2026

https://github.com/google/escapevelocity

A subset reimplementation of Apache Velocity with a much simpler API.

apache-velocity java template template-engine template-evaluation template-language velocity

Last synced: 14 May 2025

https://github.com/rainbowdashlabs/sadu

Sql and damn utilitites. The successor of the sql-util.

database hacktoberfest java mariadb mysql postgresql sql sqlite utility-library

Last synced: 14 Apr 2025

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

MySQL Maven Plugin: starts MySQL server on pre-integration phase and shuts it down on post-integration phase

java maven maven-plugin mysql

Last synced: 27 Jun 2025

https://github.com/noear/liquor

Java dynamic compiler (jar in jar compatible), Java expression engine, Java script engine. Dynamic Compilation as a Service! (Supports JSR223)

dynamic-compilation java

Last synced: 14 Apr 2025

https://github.com/codota/tabnine-atom

:atom: Atom client for Tabnine - Code Faster with the All-Language AI Assistant for Code Completion, autocomplete JavaScript, Python, TypeScript, PHP, Go, Java, node.js, Ruby, C/C++, HTML/CSS, C#, Rust, SQL, Bash, Kotlin, React, Swift, Scala, Sass, Perl, Objective C, Node JS, Matlab, Haskell, Dart, Angular. https://atom.io/packages/tabnine

artificial-intelligence atom atom-package autocomplete bash c cpp golang gpt-2 java javascript lua php python ruby rust swift typescript

Last synced: 10 Jun 2026

https://github.com/orkes-io/orkesworkers

sample workflows using Conductor

demos java netflix-conductor orchestration tutorials

Last synced: 04 Mar 2026

https://github.com/strykeforce/thirdcoast

Third Coast swerve drive and telemetry API for FRC robots

frc java swerve-drive

Last synced: 14 Mar 2026

https://github.com/guillaumefalourd/java-exercices

Exercícios em Java para iniciantes (pré-Junior) ☕️🇧🇷

beginner desafios exercices hacktoberfest java junior

Last synced: 21 Mar 2025

https://github.com/amin2312/acsv

ACsv is a easy, multi-platform and powerful csv parsing library, includes: js, ts, haxe, php, java, python, c#, go

c-sharp cross-platform csv csv-parser go golang haxe java javscript php python python27 python3 tiny typescript

Last synced: 09 Apr 2025

https://github.com/sourcesense/joyce

Joyce is a highly scalable event-driven Cloud Native Data Hub.

api graphql java json json-schema kafka mongodb rest-api schema swagger

Last synced: 14 Apr 2025

https://github.com/digitalheir/java-probabilistic-earley-parser

🎲 Efficient Java implementation of the probabilistic Earley algorithm to parse Stochastic Context Free Grammars (SCFGs)

ambiguous-sentences cfg computational-linguistics context-free context-free-grammar earley-algorithm grammar java parser parsing probabilistic probabilistic-earley-parser

Last synced: 14 Apr 2025

https://github.com/DreamCats/online-interview

在线面试助手:包含各个大厂的面经、算法题、知识点,并且小程序包含长按复制和点击图片预览功能,同时小程序继续优化和开发。

interview java python wx

Last synced: 03 Apr 2025

https://github.com/Chorus-bdd/Chorus

The Chorus BDD interpreter - Executable specifications for distributed systems

bdd bdd-framework bdd-tests chorus distributed-systems gherkin integration-testing integration-tests java javascript testing

Last synced: 07 May 2025

https://github.com/pgcai/gymms

Gym management system based on SSM.

java mybatis springmvc

Last synced: 29 Oct 2025

https://github.com/dorkbox/tweenengine

High performance and lightweight Animation/Tween framework for Java 8+

android animation java

Last synced: 07 May 2025

https://github.com/kylestev/jvm.js

A Java VM bytecode library written in ES6 for Node.js

bytecode-library jar java java-bytecode javascript javascript-library jvm jvm-bytecode

Last synced: 29 Oct 2025

https://github.com/pankaj-str/java-se-tutorial-codeswithpankaj

Pankaj-Str's GitHub, 'JAVA-SE-Tutorial-codeswithpankaj,' is a concise compendium of Java SE tutorials. Ideal for developers and learners, it offers clear and insightful code snippets, providing an efficient pathway to enhance Java programming skills. A valuable resource for mastering essential concepts

collections concurrency corejava data-structures java javase javatutorials object-oriented-programming oop

Last synced: 10 Apr 2025

https://github.com/pnowy/nativecriteria

Ultra lightweight lib to generate dynamic SQL based on hibernate session

dynamic-sql hibernate java jpa native-criteria sql

Last synced: 27 Jun 2025

https://github.com/idouble/cat-face-detector-with-opencv-and-javafx

📹 A Small OpenCV (Open Source Computer Vision) Example, who has the ability to detect multiple cat faces at the same time 🐱

camera cat cat-face-detector cats detected-cat-faces eclipse face face-detection image-processing java javafx opencv picture workspace

Last synced: 30 Apr 2025

https://github.com/kieler/klighd

KIELER Lightweight Diagams

java node-link-diagrams svg visualization

Last synced: 07 May 2025

https://github.com/apache/hbase-native-client

Apache HBase Native Client

database hbase java

Last synced: 10 Apr 2025

https://github.com/babylonhealth/lit-fhir

Opinionated library for easily constructuring FHIR (http://hl7.org/fhir) resources in Scala and Java.

codegen fhir fhir-client healthcare java scala

Last synced: 15 Apr 2025

https://github.com/nullishamy/kate

A JVM written in Rust.

java jvm rust

Last synced: 16 Jun 2025

https://github.com/ukanth/micopacks

Manage Icon packs with Tasker Plugin

android iconpacks java tasker

Last synced: 13 Apr 2025

https://github.com/leonardosnt/java-class-tools

Read and write java class files in Node.js or in the browser.

assembler browser class disassembler java javascript node parser reader writer

Last synced: 30 Oct 2025

https://github.com/xvik/guice-persist-orient

Guice integartion for OrientDB

guice java orientdb

Last synced: 13 Apr 2025

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

Java wrapper for ArrayFire

arrayfire gpgpu gpu hpc java java-wrapper

Last synced: 17 Dec 2025

https://github.com/woowacourse-teams/2022-levellog

레벨 인터뷰의 모든 것, 레벨로그

java jpa react react-query spring-boot spring-rest-docs typescript

Last synced: 14 Oct 2025

https://github.com/zmievsa/autograder

Automatic assignment grading for instructor use in programming courses

c cpp education grading grading-system java python testcases utility

Last synced: 30 Mar 2025

https://github.com/dataanon/data-anon

Data Anonymization implementation in Kotiln

anonymization blacklist dsl java kotlin kotlin-anonymization whitelist

Last synced: 02 Aug 2025

https://github.com/grunka/fortuna

An implementation of the Fortuna RNG

fortuna java prng random rng

Last synced: 14 May 2025

https://github.com/hoanghiephui/bitcoin-wallet

Bitcoin Wallet app for your Android device. Bitcoin Wallet is decentralized and peer-to-peer. There is no server that would hold any of your private data.

android android-jetpack bitcoin bitcoin-wallet bitcoinj blockchain dagger2 java kotlin p2p rxjava2 wallet

Last synced: 28 Oct 2025

https://github.com/igr/jrsmq

A lightweight message queue for Java that requires no dedicated queue server. Just a Redis server.

fifo java message-queue queue redis rsmq

Last synced: 21 Jun 2025

https://github.com/martinpaljak/YAFU

YAFU - Yet Another FIDO Utility. FIDO2 toolbox in Java for USB/NFC devices.

ctap2 fido2 fido2-authenticator hid java nfc u2f webauthn

Last synced: 12 Aug 2025

https://github.com/anitaa1990/rxandroid-sample

A list of concise write ups on the implementation of RxJava in Android

android android-development java rxandroid rxjava2 rxjavasamples

Last synced: 24 Jul 2025

https://github.com/yegor256/threecopies

Hosted Server Backup Service

backup eolang java mysql web-service

Last synced: 07 Sep 2025

https://github.com/stepio/coffee-boots

Support property-based configuring of multiple Caffeine caches for Spring Cache abstraction.

caffeine environment java spring spring-boot spring-cache

Last synced: 10 Jul 2025

https://github.com/ivangfr/springboot-ldap-testcontainers

The goal of this project is to create a simple Spring Boot REST API, named 'simple-service,' and secure it using the Spring Security LDAP module. Additionally, Testcontainers will be utilized for integration testing.

docker graalvm java ldap native openldap phpldapadmin spring-boot spring-security spring-security-ldap spring-web-mvc springdoc-openapi testcontainers

Last synced: 08 Jul 2025

https://github.com/wenbochang888/seckill

Java高并发秒杀系统,基于SSM + redis实现

high-concurrency java redis seckill ssm

Last synced: 05 May 2025