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/jozic/scalaj

scala/java interoperability, as deep as you want

java nested-collections primitives scala scalaj-converters

Last synced: 10 Apr 2025

https://github.com/alibaba/spring-boot-support

The support project for Spring Boot

java spring-boot spring-boot-starter

Last synced: 22 Feb 2026

https://github.com/fabiothiroki/android-api-request-test

Example on how to unit test Android API requests

android java rxjava2 test testing

Last synced: 30 May 2026

https://github.com/ysbaddaden/java.cr

Java Native Interface (JNI) bindings (and generator) for Crystal

crystal java jni

Last synced: 26 Apr 2025

https://github.com/wkrzywiec/wawa-tabor

Android app that presents location of Warsaw buses and trams.

android api java jetpack-android json junit mvvm mvvm-android rxjava2

Last synced: 26 Mar 2025

https://github.com/Kobee1203/schema-org-java

Java library for working with Schema.org data in JSON-LD format

entity generator java java-model json json-ld json-schema maven maven-plugin model pojo schema schema-org seo serializer

Last synced: 02 Apr 2025

https://github.com/approov/android-hide-secrets

An exercise to research and explore the best ways to hide a secret in the code of a mobile app. Article: https://blog.approov.io/how-to-extract-an-api-key-from-a-mobile-app-with-static-binary-analysis

android api-key api-keys approov approov-demo java jni jni-android mobile mobile-app mobile-development secrets

Last synced: 03 Aug 2025

https://github.com/valetzx/mcserveronreplit

白嫖3G我的世界服务器

java minecraft replit

Last synced: 09 Apr 2025

https://github.com/pragmatic-objects/oo-atom

A Java polyfill for better code design

elegantobjects java oop polyfill solid

Last synced: 12 Jan 2026

https://github.com/hoangsonww/tic-tac-toe-ai-game

🎲 This project showcases an interactive Tic-Tac-Toe experience, enhanced by sophisticated artificial intelligence. Developed from the ground up, the game features intricate algorithms designed to challenge and engage players at every level.

ai artificial-intelligence game java javafx machine-learning machine-learning-algorithms tic-tac-toe tic-tac-toe-game tic-tac-toe-java tictactoe tictactoe-game

Last synced: 26 Oct 2025

https://github.com/jalian-systems/marathonv5

Marathon V5 - Opensource Test Automation for Java/Swing and Java/FX Applications

java javafx test-automation test-framework

Last synced: 16 Aug 2025

https://github.com/h2337/eemit

Tiny event emitter library for Java

event-emitter eventbus eventemitter events java

Last synced: 13 Aug 2025

https://github.com/jiangnanboy/text_security_audit

text security audit 安全审核-语义模型过滤 敏感内容检测系统

java onnxruntime roberta-model text-security-audit

Last synced: 16 Jan 2026

https://github.com/infumia/agones4j

Java wrapper for Agones client SDK.

agones grpc java

Last synced: 10 Apr 2025

https://github.com/jumanji144/reconstruct

Resconstruct is a java library to infer missing information vectors of java classes.

java

Last synced: 17 Mar 2025

https://github.com/ivangfr/spring-webflux-reactive-databases

The goal of this project is to play with Spring WebFlux on client and server side. For it, we will implement some Spring Boot Java Web applications, product-api, customer-api, order-api and client-shell, and use reactive NoSQL database like Cassandra, MongoDB, Postgres and MySQL.

cassandra docker http-interface java mongodb mysql postgresql spring-aop spring-boot spring-data-cassandra-reactive spring-data-mongodb-reactive spring-data-r2dbc spring-shell spring-webflux springdoc-openapi

Last synced: 10 Apr 2025

https://github.com/pontusab/react-native-image-manipulator

🗻Manipulate the image provided via uri. Available modifications are rotating, flipping (mirroring), resizing and cropping.

java objective-c react-native

Last synced: 11 Apr 2025

https://github.com/wuwen5/ojdbc-mysql2oracle

SQL Syntax conversion from Mysql to Oracle (Nacos)

java mysql nacos oracle sql-conversion

Last synced: 17 Mar 2025

https://github.com/ivangfr/web-reactive-jvm-native-cds-aot-virtual-threads

In this project, we’ll create six apps using Spring Boot, Quarkus, and Micronaut. For each framework, one app will use blocking Web with Tomcat, and the other will use non-blocking Reactive with Netty. We’ll build both JVM and Native Docker images. For Spring Boot, additional images will test configurations with Virtual Threads, CDS, and AOT

aot cds docker graalvm java jvm micronaut native quarkus spring-boot virtual-threads web webflux

Last synced: 10 Apr 2025

https://github.com/sormuras/junit5-looming

🧵 JUnit 5 Test Engine using Virtual Threads

java loom virtual-thread

Last synced: 04 May 2025

https://github.com/spinyowl/spinygui

(WIP) Java OpenGL GUI library. Created for using with latest LWJGL (LWJGL 3).

framework gui gui-framework gui-library java lwjgl lwjgl3 opengl ui

Last synced: 03 May 2026

https://github.com/googtech/student-management-system-cs

:school: :mortar_board: Desktop applications developed using the Java programming language ~

gui java management-system student swing ui university-project

Last synced: 18 Mar 2025

https://github.com/pvdlg/enml4j

Simple utility to handle ENML (Evernote Markup Language) in Java.

enml evernote-markup-language evernote-sdk java

Last synced: 11 Apr 2025

https://github.com/ngrok/ngrok-api-java

ngrok API client library for Java

developer-tools java library ngrok-client

Last synced: 12 Apr 2025

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

Mirror of Apache James jdkim

james java mail network-server

Last synced: 01 Mar 2026

https://github.com/hoangsonww/inheritance-in-java

📚 This repository features the power and applications of inheritance, encapsulation, and interfaces in Java. It includes examples of how to efficiently manage and organize objects, leveraging inheritance for code reusability and interfaces for implementing polymorphism.

inheritance interface interface-java java object-oriented-programming oop oop-principles oops-in-java polymorphic polymorphic-relationships polymorphic-types polymorphism types

Last synced: 10 Oct 2025

https://github.com/path-yu/simple_app

一个精致简约的小而美的flutter拟物风格工具类应用,完美支持国际化和夜间模式.内置便签,计算器,todoList,计算器四大应用!

android apk dart flutter flutter-app java

Last synced: 28 Oct 2025

https://github.com/lengpucheng/android-java-zfeducation-system

一个安卓正方教务系统小工具😊可以爬取课表等信息,并且设计了用户显示界面,按课程时间和周显示课表,默认为武汉纺织大学教务系统,可以在JWHelper中修改地址😄

android education-system java zhengfang

Last synced: 19 Oct 2025

https://github.com/apitable/apitable-sdks

APITable officially provides various API, which allow users to get data by HTTPS requests, or push data to APITable.

apitable golang java javascript php python sdk typescript

Last synced: 16 Mar 2026

https://github.com/bh-tec/dio-desafios-bootcamps

Desafios em C#, Java, JavaScript, Kotlin, Python dos Bootcamps da Digital Innovation One.

csharp dio java javascript kotlin php python ruby

Last synced: 09 Oct 2025

https://github.com/oopsguy/kaptcha-spring-boot

Kaptcha Spring Boot Starter help you use Google Kaptcha with Spring Boot easier. 一个简单封装了 Kaptcha 验证码库的 Spring Boot Starter

captcha java kaptcha security spring spring-boot springboot starter verify yaml

Last synced: 04 Apr 2026

https://github.com/aergoio/heraj

Java client framework for aergo

aergo client java

Last synced: 19 Apr 2025

https://github.com/konloch/httprequest

HTTPRequest is an easy-to-use zero dependency Java wrapper to read from a URL. Support for Cookies, proxies, UserAgent, post data and more.

cookies http-client http-request http-requests httprequest java java-8 java-library library postdata proxies proxy useragent

Last synced: 25 Mar 2025

https://github.com/jponge/boiler-vroom

Fun is fun, powered by Vert.x.

dj java midi traktor vertx webmidi

Last synced: 23 Apr 2025

https://github.com/surpsg/diff-coverage-maven-plugin

Maven plugin for computing code coverage on modified code

code-coverage coverage diff diff-coverage jacoco java kotlin maven maven-plugin

Last synced: 03 Sep 2025

https://github.com/softinstigate/graalvm-maven-docker

A docker image for GraalVM and Maven built with sdkman from debian:buster-slim

docker docker-image graalvm graalvm-native-image java java-native java-native-access maven sdkman

Last synced: 08 Apr 2025

https://github.com/unnamed/mocha

A lightweight, fast and efficient Molang lexer, parser, interpreter and compiler for Java 8+

bytecode compiler interpreter java jvm lexer minecraft minecraft-bedrock molang parser

Last synced: 16 Jul 2025

https://github.com/spring-projects/spring-test-data-geode

A Spring-based Test Framework supporting Unit and Integration testing for Spring Boot applications using Spring Data with either Apache Geode or VMware Tanzu GemFire

apache-geode framework java spring-test

Last synced: 19 Jul 2025

https://github.com/dhruv1110/Android-Shortify

An Android library used for making an Android application more faster with less amount of code. Shortify for Android provides basic functionalities of view and resource binding, view customization, JSON parsing, AJAX, various readymade dialogs and much more.

ajax android android-development android-library android-shortify dialog event-handlers java json parse

Last synced: 29 Mar 2025

https://github.com/arif-un/shop-management

A simple java swing project. Where implements Java OOP with MVC design pattern .In this app user can record shops daily transaction.

admin-dashboard crud database-management jar java java-swing java-swing-application mysql shop-management swing-gui

Last synced: 19 Jul 2025

https://github.com/quackduck/WarpDrive

Warp across directories

autojump cd java warpdrive z

Last synced: 21 Mar 2025

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

Java Client for Flagsmith. Ship features with confidence using feature flags and remote config. Host yourself or use our hosted version at https://www.flagsmith.com/

cd ci continuous-integration feature-flag feature-flaggers feature-flagging feature-flags feature-toggles flagsmith java remote-config sdk

Last synced: 02 Apr 2026

https://github.com/martinpaljak/nfc4pc

NFC for Personal Computers

java ndef nfc pcsc

Last synced: 14 Apr 2025

https://github.com/takumakanari/embulk-input-http

Embulk plugin for http input

embulk embulk-input-plugin http java

Last synced: 26 Jul 2025

https://github.com/arunkumar9t2/trie

A Java implementation of the Trie data structure

java java-library search search-trees trie tries

Last synced: 10 Apr 2025

https://github.com/soklet/soklet

Soklet is a zero-dependency Java HTTP/1.1 and Server-Sent Event server, well-suited for building RESTful APIs and tool-backed agentic systems.

java no-dependencies server server-sent-events soklet

Last synced: 08 Mar 2026

https://github.com/paulveillard/cybersecurity-java-security

An ongoing collection of java language tools and frameworks, software, libraries, learning tutorials, frameworks, academic and practical resources.

java java-8 java-exception java-exercises java-frameworks java-operator-sdk java-security java-server pentest-scripts pentest-tool pentesting security

Last synced: 10 Apr 2025

https://github.com/timboudreau/scamper

A toolkit for creating SCTP servers and clients

async bson java netty sctp

Last synced: 12 Sep 2025

https://github.com/java-edge/movierecommandation-moviemanager

本科毕业设计项目-Java电影推荐系统-管理后台

java java-8 mysql

Last synced: 29 Oct 2025

https://github.com/epam/gepard

Test Automation Framework

framework java junit test-automation

Last synced: 12 Sep 2025

https://github.com/tomiwa-ot/obd

Android library for getting vehicle diagnostics from ELM327 (Bluetooth) connector over OBD protocol

android android-bluetooth android-java android-library android-obd-diagnostics canbus elm327 java obd obd-ii obd-port obd2 on-board-diagnostic

Last synced: 10 Apr 2025

https://github.com/norconex/collector-filesystem

Norconex Filesystem Collector is a flexible crawler for collecting, parsing, and manipulating data ranging from local hard drives to network locations into various data repositories such as search engines.

crawler filesystem-crawler java norconex-filesystem-collector search-engine

Last synced: 05 Nov 2025

https://github.com/proshin-roman/finapi-java-client

True-OOP Java client for API provided by https://finapi.io

api-client finapi fintech java oop

Last synced: 14 Jan 2026

https://github.com/apache/jclouds-examples

Apache jClouds Examples

cloud java jclouds library

Last synced: 09 Apr 2025

https://github.com/sbabcoc/junit-foundation

JUnit Foundation is a lightweight collection of JUnit watchers, interfaces, and static utility classes that supplement and augment the functionality provided by the JUnit API.

byte-buddy event-notifications java java-agent junit junit-rule junit-runlistener junit-runner junit-watchers parameters retrying service-provider test-graph test-lifecycle timeout-control

Last synced: 16 Mar 2025

https://github.com/tamtam-chat/tamtam-bot-api

Java Client for TamTam Bot API

api bots client java tamtam

Last synced: 14 Jan 2026

https://github.com/cometchat/chat-sdk-android

Text Chat SDK for Android

android chat java kotlin messaging sdk

Last synced: 08 Jan 2026

https://github.com/mugan86/android-network-change-receiver

Check Internet connection with receiver. Compatible with Android Nougat and Oreo

android check internet-connection java kotlin receiver

Last synced: 24 Apr 2025

https://github.com/sasanlabs/owasp-zap-fileupload-addon

OWASP ZAP add-on for finding vulnerabilities in File Upload functionality.

dast fileupload hacktoberfest java sasanlabs scanner security security-tools zap zaproxy

Last synced: 13 Apr 2025

https://github.com/paledot01/sistema_ventas_javase_mysql

Sistema de ventas de calzados, desarrollado en Java con el motor de base de datos MySQL

eclipse-ide erp jaspersoft-studio java mysql punto-de-venta sistema-de-ventas

Last synced: 12 May 2025

https://github.com/um-mitternacht/witchworks

Repo has moved - https://github.com/Um-Mitternacht/Bewitchment

clone fantasy java magic minecraft minecraft-mod mythology witchcraft

Last synced: 12 May 2025

https://github.com/lhelwerd/webgraph

WebGraph framework with extensions

forked-repo graph-compression java

Last synced: 13 Apr 2025

https://github.com/sayannath/american-sign-language-detection

American Sign Language Detection is a deep learning end to end project where we can detect American Sign Language.

asl colab-notebook computer-vision java keras mobile mobilenetv2 mobilenetv3 native tensorflowlite tensroflow tfhub tflite tflite-models

Last synced: 12 May 2025

https://github.com/chaosunity/nenggao

A diagnostic library for parser / interpreter usages.

diagnostic java java-8 library

Last synced: 13 Apr 2025

https://github.com/graph-quilt/graphql-xtext

A GraphQL SDL lexer, parser, and validator that can read GraphQL grammar and produce executable JVM runtime objects.

grammars graphql graphql-java graphql-sdl java schema-validation xtext

Last synced: 15 Apr 2025

https://github.com/aleksilassila/islands

A spigot plugin for creating customisable home islands with different biomes. https://www.spigotmc.org/resources/islands-home-islands-system.84303/

bukkit islands java minecraft minecraft-plugin minecraft-server paper spigot spigot-plugin survival

Last synced: 25 Apr 2025

https://github.com/siddhi-io/pysiddhi

Python wrapper for Siddhi engine

api cep java jython python python-wrapper siddhi

Last synced: 24 Apr 2025

https://github.com/cinaq/mendix-userlib-cleaner

A simple CLI tool that identifies duplicate JARS in a directory. It can remove them also if desired.

conflict-resolution developer-tools java mendix

Last synced: 12 Apr 2025

https://github.com/mattjlewis/pigpioj

Java JNI wrapper around the pigpio C library

hacktoberfest java pigpio pigpiod raspberry-pi

Last synced: 04 Oct 2025

https://github.com/traceless/tlf-encryption

一个简单的流加密算法-TLF,可以用在对加密要求不高的地方,有一些场景是可以使用的。R4C的方案固然是更好的,但是实际使用起来会比较复杂一些。这个加密对实时流解密比较方便一些。

encryption flow-encryption httpproxy java nodejs tlf tlf-encryption

Last synced: 30 Jun 2025

https://github.com/loiane/java21-examples

Examples of how to use Java 21 new features.

java java-21 java21

Last synced: 23 Mar 2025

https://github.com/ajay-prabhakar/amrita-resource

An android App which contains some PDFs of classes notes of particular department of particular subject 🎓

amrita-university android education firebase-auth firebase-firestore hacktoberfest hacktoberfest2019 java

Last synced: 23 Mar 2025

https://github.com/aliyun/alibabacloud-java-async-sdk

The Alibaba Cloud V2.0 SDK for JAVA(Async)

alibaba alibaba-cloud aliyun async darabonba java openapi sdk v2

Last synced: 12 Apr 2025

https://github.com/hoangsonww/Bouncing-Ball-Game-JavaFX

🎮 This repository hosts a Bouncing Ball game coded in JavaFX, offering a fun and interactive gameplay experience. It showcases object movement, collision detection, and score tracking, serving as a great example for developers interested in game development using JavaFX.

bounce bouncing-ball bouncing-ball-2player-game bouncing-ball-game bouncing-ball-java bouncing-balls bouncingball java java-8 javafx

Last synced: 07 May 2025

https://github.com/lunnova/whocalled

Obsolete, use StackWalker: http://openjdk.java.net/jeps/259

java java-library performance

Last synced: 19 Jul 2025

https://github.com/harrel56/json-schema

JSON schema validation library written in Java

java json json-schema jsonschema schema validation validator

Last synced: 21 Nov 2025

https://github.com/lwierzbicki/RegexFinder

RegexFinder - Burp Suite extension to passively scan responses for occurrence of regular expression patterns.

burp-extensions burp-plugin burpsuite burpsuite-extender java pentesting scanning

Last synced: 11 Jul 2025

https://github.com/SasanLabs/owasp-zap-fileupload-addon

OWASP ZAP add-on for finding vulnerabilities in File Upload functionality.

dast fileupload hacktoberfest java sasanlabs scanner security security-tools zap zaproxy

Last synced: 11 Jul 2025

https://github.com/kecon/jsocksproxy

SOCKS proxy written in Java

java proxy socks socks4 socks5

Last synced: 11 May 2025

https://github.com/volodya-lombrozo/jtcop

Maven Plugin for checking tests in Java projects

best-practices java maven quality tests

Last synced: 14 Jul 2025