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/guujiang/jacob

A lightweight library to provide coroutines in Java

bytecode coroutine coroutines generator java

Last synced: 14 Jan 2026

https://github.com/apache/brooklyn-ui

Apache Brooklyn UI

brooklyn cloud java

Last synced: 09 Apr 2025

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/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/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/ibrahimcanerdogan/hrms

Human Resources Management System Using React with Java

java react

Last synced: 31 Jul 2025

https://github.com/pvdberg1998/hashkode

Kotlin hashcode utilities

hashcode java kotlin utility

Last synced: 20 Aug 2025

https://github.com/bvolpato/mdmlang

🔄 Natural Transformation Language for Java

cleaner integration java nlp rules

Last synced: 11 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/nastel/tnt4j-stream-jmx

A Lightweight framework to stream and monitor JMX metrics

java jmx jmx-service monitor-jmx-metrics

Last synced: 10 Aug 2025

https://github.com/marhali/json5-java

This is a lightweight library to parse and serialize JSON5 data.

java json5 library parser serializer

Last synced: 07 Sep 2025

https://github.com/kryptokrona/hugin-mobile

A React Native implementation of Hugin Messenger

android chat-application cryptocurrency encryption java react-native

Last synced: 17 Jan 2026

https://github.com/dan6erbond/fuzzle

Expandable search engine written in Python. Models upcoming!

fuzzle java javascript python

Last synced: 19 Mar 2025

https://github.com/freyacodes/fred.moe

fred.moe is a bare-bones file hosting site I made that can be easily set up on other servers.

caddy clamav docker java spring-boot web

Last synced: 28 Oct 2025

https://github.com/hui-z/mondrian

Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time. https://github.com/pentaho/mondrian

java jolap mondrian mondrian-enigne

Last synced: 11 Apr 2025

https://github.com/Selbi182/SpotifyDiscoveryBot

A Java-based bot that automatically crawls for new releases by your followed artists on Spotify. Never miss a release again!

bot crawler java music spotify spring-boot springboot sqlite

Last synced: 17 Mar 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/marcospassos/java-php-serializer

A Java library for serializing objects as PHP serialization format.

bridge java java-library php serialize-objects serializer

Last synced: 10 Nov 2025

https://github.com/zapodot/jackson-databind-java-optional

A shim library to support mapping Java8 Optionals through Jackson.

jackson-json-processor java java-8 optional

Last synced: 15 Aug 2025

https://github.com/statickidz/trackio

JavaFX audio mp3 player with folder playlist.

java javafx media mp3 player

Last synced: 14 Jul 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/bluecolor/octopus

Open source task scheduler with dependency management

akka cron java octopus pug quartz scala scheduler slack spring vue webpack

Last synced: 15 Aug 2025

https://github.com/freeautomationlearning/cucumberframework

This is Chirag... and this Repo for Cucumber code...... You can see Cucumber tutorial video at given you tube channel

appium cucumber cucumber-jvm cucumber-reports feature java maven selenium selenium-java selenium-webdriver

Last synced: 30 Apr 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/kevin-kip/drawingpad

Android Canvas app on which you can draw and save that drawing as a PNG image.

android canvas custom-view draw java kotlin

Last synced: 09 Mar 2026

https://github.com/ishantk/amazon29nov2019

Amazon Chennai Training on Java and OOPS

algorithms amazon data java structures

Last synced: 01 May 2025

https://github.com/uakihir0/twitter-web-client

Twitter Client Library calling WEB API.

j2objc java twitter

Last synced: 03 Sep 2025

https://github.com/ArkEcosystemArchive/ark-java

Library for interacting with an Ark Ecosystem Blockchain using the JVM.

android ark blockchain java jvm

Last synced: 03 May 2025

https://github.com/esrrhs/teenpatti_algorithm

teenpatti algorithm

algorithm java teenpatti

Last synced: 26 Jul 2025

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/apache/incubator-baremaps-site

Apache Baremaps is a toolkit and a set of infrastructure components for creating, publishing, and operating online maps.

java mapbox openstreetmap postgis postgresql spatial-data vector-tiles web-mapping

Last synced: 19 Oct 2025

https://github.com/himash79/spring-boot-mysql-rest-api-crud

Build Restful web services using spring boot and MYSQL and Hibernate as well as End-points authenticate with JWT authentication.

hibernate java jpa jwt-authentication maven mysql restful-api spring-boot spring-security

Last synced: 11 Jul 2025

https://github.com/helins/linux-i2c.java

Use the standard Linux I2C API from the JVM

i2c iot java jna linux native rpi

Last synced: 19 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/minidigger/minicraft

Clean room implementation of the minecraft server (and client!) using java and netty

java minecraft minecraft-server netty

Last synced: 23 Mar 2025

https://github.com/mojtabaj/c-webp

Convert jpeg/png to webp with JAVA (if at all possible)

converter image image-compression image-converter image-format java jpg png webp webp-converter

Last synced: 10 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/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/spacekookie/interstellarempires

Free, open source MMO-RTS, powered by Java, Libgdx and Kryonet

indiegame java libgdx mmorts

Last synced: 27 Jul 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/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/xwhqsj/calljvm

Call JVM from C/C++ in ThreadPool

cplusplus-11 java jni multithreading threadpool

Last synced: 13 Oct 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/flipkart/foxtrot

A store abstraction and analytics system for real-time event data.

alerting analytics data-engineering data-science data-visualization elasticsearch hbase java monitoring

Last synced: 12 Dec 2025

https://github.com/fooock/detect-experimental-and-beta-code

This is an IntelliJ/Android Studio IDE plugin to detect the code with @Experimental and @Beta annotations and show a custom icon on the gutter when you use it.

android android-studio androidstudio code-tools fun intellij intellij-idea intellij-plugin java java-annotations plugin plugin-extension

Last synced: 23 Oct 2025

https://github.com/sergiss/level-editor-3d

:department_store: Level editor for 3D games like GTA 1 and 2

2-5d 3d fps-game game-development java level-editor libgdx rpg-game

Last synced: 14 Oct 2025

https://github.com/hcoles/voices

Fast, in-process text to speech for Java

java onnx piper piper-tts tts

Last synced: 14 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/mattstam/calcipher

Calculate the best possible answer for multiple-choice questions without any other outside knowledge or resources.

java pattern-recognition patterns question-answering

Last synced: 14 Mar 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/bitplan/can4eve

CAN OBDII analysis for electric vehicles

car electric-vehicles java obd obdii-analysis

Last synced: 23 Jun 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/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/ice1000/text-sequence

Text sequence data structures

data-structure java

Last synced: 18 Mar 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/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/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/raydac/jhexed

Java Hexagonal engine

android gui hexagonal-grids java java-engine swing

Last synced: 13 Apr 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/hellokoding/jpa-manytomany-extracolumns-springboot-maven-mysql

JPA Many-To-Many Extra Columns Relationship Mapping Example with Spring Boot, Maven and MySQL

java jpa many-to-many mysql spring-boot spring-data-jpa

Last synced: 17 Aug 2025

https://github.com/stephengold/heart

A general-purpose add-on library for jMonkeyEngine (code has New BSD license)

debug java jme3 jmonkeyengine jmonkeyengine3 jvm-library library math-library mesh open-source perlin-noise platonic-solids quaternions

Last synced: 14 Apr 2025

https://github.com/0x676e67/mayi

基于RBAC、OAuth2.1认证模式的微服务动态权限脚手架

authorization java mybatis-plus oauth2 oauth2-server spring spring-boot spring-cloud

Last synced: 14 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/abolkog/java-design-patterns

Code for the Java Design Patterns Video Tutorial

design-patterns java tutorial

Last synced: 13 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/joutvhu/fixed-width-parser

Fixed Width Parser: parse fixed width string to object and export object to fixed width string

annotation annotations fixed-width-text java parser string-parser

Last synced: 25 Aug 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/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/ybyzek/kafka-github-actions

Example GitHub Actions for Apache Kafka client application development for local and Confluent Cloud

apache-kafka avro-schema-registry confluent-cloud github-actions java librdkafka python schema-registry schema-registry-maven-plugin

Last synced: 19 Sep 2025

https://github.com/zhuamaodeyu/knowledge

程序员的知识管理与自我修养,个人博客,源码解析,问题总结 https://zhuamaodeyu.github.io/knowledge/

go ios java spring springboot springcloud

Last synced: 14 May 2025

https://github.com/c-guntur/java-handles-kata

Java Reflection and Unsafe Alternates - MethodHandle and VarHandle API - Fix broken tests in a Code Kata

codekata java java-reflection-api java-unsafe java11 java9 wax-on-wax-off

Last synced: 05 Oct 2025

https://github.com/stefan-kolb/jaxws-samples

Small example projects using JAX-WS technologies.

examples gradle java jax-ws web-services wsdl

Last synced: 14 May 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/naoghuman/lib-tile

Lib-Tile is a multi Maven project written in JavaFX and NetBeans IDE 8 and provides the functionalities to use and handle easily Tiles in your JavaFX application.

icon icons image images java java-8 javafx libraries library maven maven-multimodule netbeans netbeans-ide overlay tile transparency transparent

Last synced: 04 Oct 2025

https://github.com/jgperrin/net.jgp.books.spark.ch11

Spark in Action, 2nd edition - chapter 11 - Working with SQL

apache-spark java java8 manning spark spark-sql sparkwithjava sql

Last synced: 28 Aug 2025

https://github.com/savantly-net/sprout-platform

A modular application framework as a Spring Boot Starter. Use as a lib in your own project, or extend the default server with modules. Roll your own UI, or extend the default UI with plugins. CMS, LOB apps, or general app use cases.

cms grafana java react spring spring-boot sprout sprout-plugins

Last synced: 01 Oct 2025

https://github.com/oxctl/spring-security-lti13

A LTI 1.3 implementation for Spring Security that builds on the OAuth2 support

java library spring spring-security

Last synced: 12 Jan 2026

https://github.com/kinozhao/smbms-justweb

smbms超市订单管理系统 本项目基于javaWeb+jsp+Mysql+Tomcat+前端。

html java javascript javaweb jsp maven mysql tomcat10

Last synced: 09 Nov 2025

https://github.com/redhat-middleware-workshops/dg8-workshop

Source for the Red Hat Data Grid 8.0 workshop content repository

infinispan java labs quarkus spring

Last synced: 05 Apr 2025

https://github.com/michaeldorner/instanceofbenchmark

Bechmarking Java's instanceof and its alternatives

benchmark java jmh

Last synced: 13 Apr 2025