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/thenishchalraj/passwordstrengthbar

An android library to show the password strength using four strength bars with colours set for each and methods available to play with strength of bars.

android android-application android-development android-library android-ui custombar hacktoberfest java password-strength passwordstrengthbar-library strength-bars

Last synced: 17 Feb 2026

https://github.com/bobbui/console-drawing

A simple, fun program to draw on console.

console drawing java java-8

Last synced: 21 Jun 2025

https://github.com/digitalheir/java-xml-to-json

👾 convert XML to a structure-preserving JSON representation

converter java json xml

Last synced: 14 Apr 2025

https://github.com/westnordost/osmapi-overpass

Java client for the Overpass API

java osm overpass-api

Last synced: 24 Mar 2025

https://github.com/fujaba/fulib

Fulib is a library that provides code generation for UML like models and some model management functionalities.

code-generator fulib java

Last synced: 14 Jan 2026

https://github.com/aladnansami/spl-2-android-apps-bus-tracking-system-

We want to build a system which will track the current position and direction of the bus and show it to the user who wants to travel by the bus. The driver will share his location that’s will show to the user the current position of bus. The system will reduce the waiting time for travelling

android androidstudio bus-tracking java project

Last synced: 21 Feb 2026

https://github.com/igniterealtime/asterisk-im

Igniterealtime Asterisk IM

asterisk java openfire

Last synced: 24 Apr 2025

https://github.com/ranga543/yelp-fusion-android

An Android library for the Yelp Fusion API v3

android-library java yelp yelp-api yelp-fusion-api

Last synced: 17 Jan 2026

https://github.com/coderarjob/kpdfsync

Annotates PDF files with the highlights and notes from Kindle Clippings.txt file.

java kindle kindle-clippings kindle-highlights kindle-notes

Last synced: 03 Sep 2025

https://github.com/edvinas01/jelly-dude

2d game based on soft body physics

2d-game ashley java kotlin libgdx

Last synced: 19 Mar 2025

https://github.com/fluentxml4j/fluentxml4j

A fluent API for XML parsing, serialization, XPath querying and transformation in Java.

dom fluent fluentxml4j java java8 lambda parsing query serialization transformations xml xml-parsing xpath

Last synced: 09 Sep 2025

https://github.com/jauntsdn/netty-websocket-http2

java/netty implementation of rfc8441 - bootstrapping websockets with http/2, and websocket multiprotocol support(http1, http2).

java netty rfc8441 websocket websocket-over-http2

Last synced: 07 May 2025

https://github.com/burmanm/compression-int

64-bit integer compression algorithms in Java

compression integer-compression java

Last synced: 26 Mar 2025

https://github.com/kstenschke/realigner-plugin

"Realigner" plugin for Jetbrains IDEs

intellij intellij-plugin java open-api phpstorm plugin

Last synced: 11 Apr 2025

https://github.com/zaleslaw/jdbc_tutorial

30 exercises to learn JDBC API, Spring JDBC, DBUnit, Connection Pooling

java jdbc spring-jdbc

Last synced: 05 May 2025

https://github.com/mouthlessgames/jewelthief

This Android game is a remake of the legendary Jewel Thief game made by Paul Ligeski from ServantWare in 1991 using the libGDX game development framework.

android android-app android-application android-game arcade-game game game-dev game-development gamedev java libgdx libgdx-application libgdx-game pixel pixel-art pixelart pixels therefactory

Last synced: 30 Apr 2025

https://github.com/vyfor/kpresence

📦 Lightweight Kotlin Multiplatform library for Discord Rich Presence

discord discord-presence discord-rpc java jvm kotlin kotlin-native presence rich rich-presence rpc

Last synced: 10 Apr 2025

https://github.com/mimecast/robin

Debug and development tool for MTA architects! Robin is a highly configurable SMTP client for testing and debugging SMTP servers.

email java mta smtp testing

Last synced: 10 Sep 2025

https://github.com/wupeixuan/note

后端技术文章精选

java mysql nginx zookeeper

Last synced: 17 Jul 2025

https://github.com/wmixvideo/correios

Biblioteca Java para acessar os serviços dos Correios

api correios java

Last synced: 17 Jan 2026

https://github.com/hcl-tech-software/domino-jnx

Modern Domino Java API based on JNA access to Domino's C API

domino java

Last synced: 31 Aug 2025

https://github.com/sureshg/installcerts

🏺Create a PKCS12 TrustStore by retrieving server certificates.

certificate crypto java jks jvm keystore keytool kotlin pkcs12 tls-certificate truststore

Last synced: 05 Apr 2025

https://github.com/java-edge/java-designpatterns-tuitorial

设计模式讲解(Java版)全面结合「互联网业务案」。技术好就一定能写出好代码吗?不能!只有通过实战才能快速将理论转变为技能。

design-patterns java java8 jdk-mybatis jdk-slf4j jdk-spring

Last synced: 21 Mar 2025

https://github.com/bitplan/can4eve

CAN OBDII analysis for electric vehicles

car electric-vehicles java obd obdii-analysis

Last synced: 23 Jun 2025

https://github.com/Casterlabs/Multistream

This is a small little tool for multistreaming without a huge hassle.

ffmpeg java multistream multistreaming obs

Last synced: 18 Jul 2025

https://github.com/esrrhs/teenpatti_algorithm

teenpatti algorithm

algorithm java teenpatti

Last synced: 26 Jul 2025

https://github.com/salesforce/omakase

Java-based, plugin-oriented CSS3+ parser

ast css css-parser java salesforce

Last synced: 15 Apr 2025

https://github.com/Bombe/jSite

Official jSite repository

freenet java

Last synced: 19 Nov 2025

https://github.com/26hzhang/word2vecfjava

Word2VecfJava: Java implementation of Dependency-Based Word Embeddings and extensions

java lexical-substitution neural-network nlp word-embeddings word-similarity word2vec-model word2vecf

Last synced: 19 Apr 2025

https://github.com/rapter1990/springbootelk

The usage of ELK(Elastic Search, Logstash, Kibana) in Spring Boot

docker docker-compose elasticsearch elk filebeat java kibana logstash mysql spring-boot springboot

Last synced: 16 May 2025

https://github.com/woowacourse-teams/2025-festabook

🎆 Festabook ; 흩어진 정보를 하나로, 축제를 한 권에 담다 📖

android-app java kotlin react spring-boot

Last synced: 30 Aug 2025

https://github.com/farhanshoukat/messagingapp

WhatsApp like messaging app with chatting, image and location sharing support.

android-app firebase-authentication firebase-cloud-messaging firebase-database firebase-invite java

Last synced: 14 Apr 2025

https://github.com/metio/memoization.java

Java memoization library

cache java memoization memoize

Last synced: 30 Jul 2025

https://github.com/vic/mill-docker

Build minimalist distroless docker images for your java applications using Mill

distroless docker hacktoberfest java mill mill-module mill-plugin scala

Last synced: 22 Mar 2025

https://github.com/xilinjia/xilinota

Xilinota, an open-source multi-platform note-taking application boasting instant syncing among devices and direct keeping of markdown files. The application runs on Linux, MacOS, Windows, Android and iOS.

android electron evernote instant-messaging ios java javascript joplin linux macos markdown multi-platform nodejs note-taking obsidian react react-native synchronization typescript windows

Last synced: 16 Aug 2025

https://github.com/learning-zone/hibernate-basics

Hibernate Basics ( v6.x )

hibernate java jdbc

Last synced: 28 Jun 2025

https://github.com/shoyamanishi/androidmfcc

26-Point MFCC & 512-Point FFT Generator & Visualizer in Java, C++, and NEON intrinsics

android asr audio cpp fft java mfcc neon-simd-intrinsics spectrum visualizer

Last synced: 14 Apr 2025

https://github.com/rouvoy/jfilter

Library for processing LDAP-like simple filters.

java json ldap

Last synced: 10 Aug 2025

https://github.com/npes87184/s2tdroid

An android app for transforming between Simplified Chinese and Traditional Chinese.

android hacktoberfest java transforming-simplified-chinese

Last synced: 21 Aug 2025

https://github.com/kakarottocui/unichongwuserviceapplet

基于JAVA SpringBoot和UniAPP的宠物服务预约小程序

java mysql spring-boot uniapp vue

Last synced: 28 Jul 2025

https://github.com/rahulsom/ihe-iti

Java codegen for the IHE ITI profiles

healthcare ihe-iti java xds

Last synced: 14 Apr 2025

https://github.com/scaleset/scaleset-geo

Scaleset Geo is a GeoJSON compatible framework for working with simple feature data.

geojson geometry jackson java streaming-parser

Last synced: 29 Jan 2026

https://github.com/sunnysetia93/competitive-coding-problems

Solutions to Coding Problems, Hackathons, Coding Challenges from across the internet (Leet-Code, Hacker-Rank, Code Wars, Hacker-Earth) in multiple programming languages.

c codechef-solutions coding-competitions competitive-programming geeksforgeeks-solutions hacktoberfest hacktoberfest2020 java javascript

Last synced: 14 Feb 2026

https://github.com/stefanbratanov/jvm-openai

A minimalistic OpenAI API client for the JVM, written in Java

ai api chatgpt dall-e gpt-3 gpt-4 java jvm library machine-learning microsoft openai openai-api

Last synced: 27 Feb 2026

https://github.com/yupiik/fusion

Yupiik Fusion is a modern, high-performance web framework built on top of GraalVM. The framework is designed to provide a streamlined and efficient way to develop web applications.

cloud framework graal-native java kubernetes lightweight

Last synced: 07 Mar 2026

https://github.com/pvdberg1998/hashkode

Kotlin hashcode utilities

hashcode java kotlin utility

Last synced: 20 Aug 2025

https://github.com/icanerdogan/hrms

Human Resources Management System Using React with Java

java react

Last synced: 28 Apr 2025

https://github.com/sskorol/selenium-camp-17

Source code for SC17 talk: http://seleniumcamp.com/talk/how-java-8-can-simplify-test-automation

assertj java java-8 javamoney javaslang jsoup lombok pageobject qaa selenium-webdriver streamex test-automation testing testng

Last synced: 10 Apr 2025

https://github.com/jishanshaikh4/management-platform

Data management and accessibility platform (e.g. an orphanage) based on Java Core and GUI

java project

Last synced: 06 Jul 2025

https://github.com/hardiksinghbehl/kafka-java-spring-boot-poc

Kafka integration with Java Spring-boot with one application serving as a producer and the other consuming the messages

docker-kafka java kafka kafka-consumer kafka-producer spring-boot

Last synced: 09 Apr 2025

https://github.com/s4u/pgp-keys-map

PGP keys map to maven artifacts

hacktoberfest java maven-plugin pgp pgp-key security

Last synced: 11 Oct 2025

https://github.com/nisabmohd/data-structures-java

I've implemented a comprehensive set of generic data structures in Java, including arrays, linked lists, stacks, queues, trees, and more, ensuring versatility and efficiency in data handling.

coding collections-framework community-learning data-structures graph hashmap heaps interview-preparation interview-questions java linked-list list maps open-source problem-solving queue sets studynotes trees trie

Last synced: 18 Oct 2025

https://github.com/xwhqsj/calljvm

Call JVM from C/C++ in ThreadPool

cplusplus-11 java jni multithreading threadpool

Last synced: 13 Oct 2025

https://github.com/kakarottocui/vuewaimaiapplet

基于JAVA,SpringBoot,UniApp,Vue外卖订餐点餐微信小程序

java mysql springboot uniapp vue

Last synced: 12 Mar 2026

https://github.com/lupcode/java-sse-client

Full implementation of a HTTP event stream client that listen for Server-Sent Events (SSE).

api event-stream http http-client java java-11 java-11-http-client library listen server-sent-events sse sse-client

Last synced: 17 Oct 2025

https://github.com/filiprokita/minecraft-server-docker

Easily deploy and manage Minecraft servers with this Docker setup. This project streamlines the process of running Minecraft servers, including various modpacks, by leveraging Docker's benefits of isolation, portability, and consistency. Simplify your server management and ensure a consistent environment across different machines.

containerization devops docker gaming java minecraft minecraft-mods minecraft-server modpacks open-source server server-management servers

Last synced: 13 Oct 2025

https://github.com/mkalten/tuio11_java

Java TUIO 1.1 reference implementation

java library tuio tuio-client

Last synced: 10 Sep 2025

https://github.com/dongyubin/oldclocktodo

适用于旧安卓手机的时钟待办清单软件

android java

Last synced: 12 May 2025

https://github.com/yupiik/uship

Uship (µship) is a lightweight microservice stack for modern applications.

java jsonrpc microservice stack

Last synced: 13 Apr 2025

https://github.com/prismicio-community/java-kit

Community maintained development kit for Prismic and the Java language

java

Last synced: 24 Jun 2025

https://github.com/abolkog/java-design-patterns

Code for the Java Design Patterns Video Tutorial

design-patterns java tutorial

Last synced: 13 Apr 2025

https://github.com/Abhii-07/AI-Code-Converter

This web application allows you to convert code from one programming language to another using the ChatGPT API. It also provides code debugging and code quality checking features.

code-converter genrative-ai html-css-javascript java openai reactjs spring-boot

Last synced: 13 Apr 2025

https://github.com/ice1000/text-sequence

Text sequence data structures

data-structure java

Last synced: 18 Mar 2025

https://github.com/oli51467/go-datastructure

围棋数据结构及其规则与状态判断逻辑实现

go goban gogame java

Last synced: 12 Apr 2025

https://github.com/fizzed/bigmap

Drop-in replacement for JVM maps when you need to optimize memory or work with large datasets

java

Last synced: 13 Apr 2025

https://github.com/syphon/java

Syphon Implementation for Java

java jnilib syphon syphon-framework

Last synced: 05 Apr 2025

https://github.com/glcas/facedemo

A demo of real-time face recognition on Android.

camerax java mobilefacenet mtcnn ncnn

Last synced: 15 Jul 2025

https://github.com/oneoffcoder/lightning-projects

A repository of "Lightning Projects" that children may used to learn the fundamentals of coding in a fun, enjoyable yet effective way.

css greenfoot html java javascript pygame python

Last synced: 06 Apr 2025

https://github.com/gbzarelli/androidfacedetectopencv

[ANDROID] Sample project on how to implement the OpenCV SDK on Android with face detection

android android-sdk android-studio face-detection gradle haar java opencv opencv-sdk

Last synced: 14 Apr 2025

https://github.com/shaoxiongdu/java-datastructure-algorithm

用Java实现的《数据结构与算法》

datastructures java

Last synced: 14 Apr 2025

https://github.com/peytonplayz595/minecraft-indev-webgl

Minecraft Indev 20100223 ported to the web browser using WebGL and TeaVM

java java-8 java-to-javascript minecraft teavm webgl2

Last synced: 22 Apr 2025

https://github.com/tychozzz/back-end-rss

📖 根据 RSS 订阅源定时抓取前沿后端相关文章,并实时更新至对应网站。来源:美团技术 / 阿里技术 / 阿里巴巴中间件 / Thoughtworks洞见 / 高可用架构 / 阮一峰的网络日志 / 有赞技术团队

cache db distributed-systems golang java jdk k8s microservice mq mysql redis rocketmq spring

Last synced: 10 Apr 2025

https://github.com/hms-core/hms-image-render-java

This sample code is to guide the developer how to integrate the Image Render Sub-service in the Image Kit, achieving a variety of effects design. This sub-service provides 5 basic animations and 9 advanced 2D animations.

andorid animation hms huawei imagekit java picture

Last synced: 01 Aug 2025

https://github.com/nshalabi/coding-ghidra

Java Library wrapper for Ghidra Headless Analysis + Java Samples

ghidra ghidra-plugins headless-analysis java malware-analysis reverse-engineering

Last synced: 14 May 2025

https://github.com/bvolpato/mdmlang

🔄 Natural Transformation Language for Java

cleaner integration java nlp rules

Last synced: 11 Apr 2025

https://github.com/zeoflow/jx

JavaX improved library - JDK-8

java java-library jdk-8 jdk8 zeoflow zeoflow-library

Last synced: 14 Jan 2026

https://github.com/brendonmiranda/clancy

Clancy is a Discord Music Bot made in Spring Boot and Java using JDA

discord discord-bot java jda jda-bot music music-bot musicbot radio

Last synced: 23 Apr 2025

https://github.com/javamilk/learningguava

本项目记录对 guava 的学习以及一些相关好文章的摘录。

guava java

Last synced: 23 Apr 2025

https://github.com/securestackco/actions-log4j

A GitHub Action that scans your public web applications for log4j vulnerabilities after every deployment. Add this to your dev, staging and prod steps and SecureStack will make sure that what you've just deployed is secure and meets your requirements.

devsecops github-actions java java-vulnerability java8 jre log4j log4j-rce log4j2 log4js log4shell scanning security security-automation security-tools software-composition-analysis static-analysis vulnerabilities vulnerability-assessment vulnerability-scanner

Last synced: 30 Jul 2025

https://github.com/viadee/javaanchorexplainer

Explains machine learning models fast using the Anchor algorithm originally proposed by marcotcr in 2018

ai algorithm anchor explainable-ai h2oai java machine-learning

Last synced: 13 Oct 2025

https://github.com/3urobeat/oldgamemodeplugin

🔌 A Minecraft plugin to change gamemodes the classic way (/gm 0 etc.) [Bukkit/Spigot - Supports 1.20]

bukkit gamemode java minecraft minecraft-plugin minecraft-server plugin spigot spigot-plugin

Last synced: 13 Oct 2025

https://github.com/techsenger/ceffx

Techsenger CEFFX – A library for integrating the Chromium Embedded Framework into JavaFX.

browser cef chromium java javafx javafx-component javafx-library

Last synced: 31 May 2026

https://github.com/colesico/colesico-framework

Micro framework for creating server side applications in Java 17+

dependency-injection full-stack java lightweight micro-framework microservices plugin-system rest-api

Last synced: 14 Oct 2025