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/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/mkalten/tuio11_java

Java TUIO 1.1 reference implementation

java library tuio tuio-client

Last synced: 10 Sep 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/aadewunmi/event-management-system-java

"Evently" is an Event Management System. It is a web application for registering events. Tech stack: HTML/CSS/JS, Java 11, Java JSP / Servlet, JDBC, MySQL.

event-management-system html-css java java11 javaee7 javaservlet jdbc-driver mvc mysql mysql-database netbeans-ide tomcat10

Last synced: 07 May 2025

https://github.com/lightstep/otel-launcher-java

Launcher, a Lightstep Distro for OpenTelemetry Java 🚀

java opentelemetry

Last synced: 16 Jun 2025

https://github.com/jklingsporn/vertx-push-onesignal

Send push notifications asynchronously in your vertx application with OneSignal.

java onesignal onesignal-notifications push-notifications vertx

Last synced: 20 Jun 2025

https://github.com/beeceej/protoform

Convert Java POJO's to protobuf files.

golang java protobuf regexp

Last synced: 07 May 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/hcoles/voices

Fast, in-process text to speech for Java

java onnx piper piper-tts tts

Last synced: 14 Oct 2025

https://github.com/deftu/gradle-toolkit

Suite of Gradle tools made to make Minecraft modding less painful.

fabricmc gradle gradle-kotlin-dsl gradle-plugin java minecraft minecraft-mod mod

Last synced: 15 Mar 2026

https://github.com/frett27/jfgdb

Java File Geodatabase (FGDB) JNI Wrapper, permit to read/write simple features in .gdb from Java

api crud geodatabase gis java native simplefeature

Last synced: 25 Feb 2026

https://github.com/apache/plc4x-build-tools

Apache plc4x Build Tools

java

Last synced: 19 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/opentracing-contrib/java-aws-sdk

OpenTracing instrumentation for AWS SDK

aws-sdk java opentracing

Last synced: 14 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/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/valb3r/time-tracker

Time tracker and corporate authorization portal example for groups and users with role inheritance and batch reporting. Backed by graph database, reactive endpoints and spring batch on Neo4j for reporting

authorization graph java neo4j spring-batch spring-batch-neo4j time-tracker time-tracking-app timetracker webflux

Last synced: 14 Mar 2026

https://github.com/wizardjedi/smpp-test-tools

Testing tools for smpp

cli java smpp sms

Last synced: 16 May 2025

https://github.com/jianboy/gbk2utf8

其他编码文件批量转换为utf-8编码工具。http://git.yoqi.me/lyq/gbk2utf8

gbk java php python tool utf-8

Last synced: 15 Apr 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/riversun/java-promise

Promise library for java.You can do the same thing with JavaScript's Promise in java! Concurrent library.

asynchronous concurrency-library java javascript multithreading promise

Last synced: 01 Aug 2025

https://github.com/kakarottocui/tijianyuyue

基于java SSM框架的医院体检预约管理系统

java jquery mybatis spring spring-mvc

Last synced: 28 Jul 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/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/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/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/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/wmixvideo/correios

Biblioteca Java para acessar os serviços dos Correios

api correios java

Last synced: 17 Jan 2026

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/fluency03/iplom-java

IPLoM (Iterative Partitioning Log Mining) - Java

java

Last synced: 14 Jul 2025

https://github.com/kakarottocui/hospitalsys

基于java springboot的医院信息管理系统

java mysql springboot

Last synced: 28 Jul 2025

https://github.com/jbangdev/jbang-examples

Example repository for jbang

gitpod java jbang

Last synced: 26 Apr 2025

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/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/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/eclipse-zenoh/zenoh-java

Java APIs for zenoh

java scala zenoh

Last synced: 25 Oct 2025

https://github.com/seanghay/betterkhmer

Regex-free, fast Khmer Encoding normalizer ported to 18 languages

c cpp csharp dart flutter go java khmer khmer-normalize khmer-normalizer kotlin perl php python ruby rust zig

Last synced: 02 Jun 2026

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: 19 Mar 2026

https://github.com/bzdgn/product-catalog-spring-mvc-demo

A Product Catalog Demonstration Project Using Spring MVC and Mongo DB

java maven mongo mongo-db mongodb product-catalog spring spring-mvc webapp

Last synced: 24 Oct 2025

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/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/fcorti/pentaho-8-reporting-for-java-developers

Pentaho 8 Reporting for Java Developers.

java maven pentaho prpt reporting

Last synced: 14 Mar 2026

https://github.com/knokko/custom-items-gradle

Knokko's Custom Items: Add custom items to your server, completely free of charge

bukkit java minecraft spigot spigot-plugin

Last synced: 03 Apr 2026

https://github.com/raydac/jhexed

Java Hexagonal engine

android gui hexagonal-grids java java-engine swing

Last synced: 13 Apr 2025

https://github.com/lichaojacobs/kylin-jdbc-pool

better performance for kylin query

java jdbc kylin kylin-java kylin-jdbc kylin-jdbc-pool pool

Last synced: 13 Apr 2025

https://github.com/pramithamj/fully-completed-microservices-java-springboot

This project is a comprehensive microservices architecture developed using Java, Spring Boot, and Spring Cloud. Additionally, it incorporates Apache Kafka for messaging purposes.

java microservice spring-boot

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/sap-samples/cloud-objectstore-java-sample

The Object Store reference application aims to provide a single-code line application, which can be run in SAP BTP, Cloud Foundry environment, consuming Object Store service with different IaaS providers underneath - e.g. AWS, GCS, Azure.

cloud-foundry java objectstore sample sample-code sap-btp sap-btp-cloud-foundry sap-cloud-platform

Last synced: 13 Apr 2025

https://github.com/michaeldorner/instanceofbenchmark

Bechmarking Java's instanceof and its alternatives

benchmark java jmh

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/abolkog/java-design-patterns

Code for the Java Design Patterns Video Tutorial

design-patterns java tutorial

Last synced: 13 Apr 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/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/sbernard31/benchmark-clients

Command line tool base on https://www.eclipse.org/leshan/ to simulate a fleet of clients

java lwm2m lwm2m-client simulator

Last synced: 05 Jan 2026

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/salesforce/omakase

Java-based, plugin-oriented CSS3+ parser

ast css css-parser java salesforce

Last synced: 15 Apr 2025

https://github.com/paypal/mocca

Mocca is a GraphQL client for JVM languages with the goal of being easy to use, flexible and modular.

graphql groovy java jvm kotlin scala

Last synced: 26 Oct 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/jgperrin/net.jgp.books.spark.ch10

Spark in Action, 2e - chapter 10 - Ingestion through structured streaming

bigdata book java java8 manning spark sparkstreaming sparkwithjava

Last synced: 06 May 2025

https://github.com/dm-drogeriemarkt/log-capture

assertions for logging with logback

automated-testing java junit logger logging testing

Last synced: 06 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/justinsdk/javase9tutorial

Java SE 9 技術手冊相關資料

java

Last synced: 08 Apr 2025

https://github.com/esrrhs/teenpatti_algorithm

teenpatti algorithm

algorithm java teenpatti

Last synced: 26 Jul 2025

https://github.com/seasarorg/mayaa

Mayaa

java seasar

Last synced: 03 Feb 2026

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/songwo-153/springboot-smart-teaching-recommendation-system

基于Springboot的智慧教学平台的系统设计与实现(智慧教学推荐系统),可以进行学习分析和个性化推荐,系统可以根据学生的学习行为和表现进行分析,生成学习分析报告。根据学生的学习情况和需求,系统可以提供个性化的学习推荐和建议,推荐适合的课程和教学资源推荐(根据用户点击量或浏览量推荐)。

collaborative-filtering html java mybatis mysql recommendation-algorithm springboot vue

Last synced: 14 Jul 2025

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

Text sequence data structures

data-structure java

Last synced: 18 Mar 2025

https://github.com/alimranahmed/checkmate

A human vs human chess game build on basic JAVA.

chess java oop swing-api

Last synced: 06 May 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/bitplan/can4eve

CAN OBDII analysis for electric vehicles

car electric-vehicles java obd obdii-analysis

Last synced: 23 Jun 2025

https://github.com/moberwasserlechner/jopencage

OpenCage geocoding client for Java

geocoding java opencage openstreetmap

Last synced: 16 Jul 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/pvdberg1998/hashkode

Kotlin hashcode utilities

hashcode java kotlin utility

Last synced: 20 Aug 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