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/edwinm/game-of-life-in-java

John Conways Game of Life in Java, either as a applet or as a stand alone program.

applet gameoflife java

Last synced: 04 Apr 2025

https://github.com/patilshreyas/firestorepagingdemo-android

Demo app for implementation of Firestore Paging library in Android app.

android firebase firebase-firestore firebaseui-android firestore java kotlin kotlin-android paging-library

Last synced: 11 Jul 2025

https://github.com/trainingbypackt/spring-boot-2-fundamentals

Learn how you can quickly build and deploy production-ready microservices within the Java and JVM ecosystem

css html java

Last synced: 10 Apr 2025

https://github.com/florianmichael/dietrichevents2

One of the fastest Java event systems in the world using compiler optimizations, which still has a lot of features

event event-management eventbus events java lambda listener

Last synced: 28 Apr 2025

https://github.com/ddobrin/spring-native-function-knative

A simple example of a Function deployed in Knative, available as JVM or Native Image

java knative native

Last synced: 13 Jun 2025

https://github.com/oblac/jodd-lagarto

Java HTML parsers suite.

html html-parser java jquery parser

Last synced: 27 Apr 2025

https://github.com/3arthqu4ke/hmc-specifics

Version specific implementations of the HeadlessMc runtime.

cli java minecraft

Last synced: 27 Apr 2025

https://github.com/rnayabed/piholelcdstat

Pi-Hole + System Info Dash for Raspberry Pi

java javafx pihole pihole-dashboard

Last synced: 27 Jun 2025

https://github.com/artipie/docker-adapter

Docker registry storage adapter

docker docker-registry java private-docker-registry

Last synced: 08 Sep 2025

https://github.com/ordinaryroad-project/ordinaryroad

OrdinaryRoad开源框架,一个Spring微服务项目

java nuxt spring-boot spring-cloud vuetify

Last synced: 12 Apr 2025

https://github.com/richardhightower/jparse

JParse, the most efficient JSON parser for the JVM yet.

index-overlay java json jsonpath parser

Last synced: 08 Apr 2025

https://github.com/tokenmill/crawling-framework

Easily crawl news portals or blog sites using Storm Crawler.

crawler crawling crawling-framework elasticsearch java scraping storm storm-crawler vaadin

Last synced: 22 Apr 2025

https://github.com/ngageoint/mgrs-java

Military Grid Reference System Java Library

java mgrs military-grid-reference-system nga

Last synced: 14 Apr 2025

https://github.com/ksbrwsk/raspberrypi-boot

simple spring boot application running on raspberry pi measuring data via bmp085 sensor

gdata google-sheets-api java mqtt pi4j pushover rabbitmq raspberry-pi spring-boot

Last synced: 12 May 2025

https://github.com/albogdano/elasticsearch-river-amazonsqs

[DEPRECATED] Amazon SQS river plugin for ElasticSearch 1.4

deprecated elasticsearch elasticsearch-river java plugin

Last synced: 19 Apr 2025

https://github.com/point85/shift

The Shift library project manages work schedules with teams and shift rotations.

java shift shift-calendar work-calendar work-schedule

Last synced: 23 Apr 2025

https://github.com/skyzyx/alpine-pandoc

Docker container with Alpine Linux, Pandoc, PlantUML, and Sphinx.

alpine-linux container docker documentation haskell java pandoc plantuml python sphinx

Last synced: 25 Mar 2025

https://github.com/grahamedgecombe/android-ssl

Android SSL certificate validation vulnerability detection tools.

android java ssl

Last synced: 27 Mar 2026

https://github.com/agateau/burgerparty

A time management game for Android where you play a fast-food owner who must put together the burgers ordered by her customers before time runs out.

android burger game java libgdx

Last synced: 24 Oct 2025

https://github.com/calimero-project/introduction

Code examples and additional documentation for using Calimero

examples java knx

Last synced: 18 Oct 2025

https://github.com/orenskl/pico-jvm

A small Java virtual machine for Raspberry Pi Pico. This is based on the CLDC Profile for embedded devices.

arm bare-metal cldc cortex-m embedded j2me java jvm midp phoneme pico raspberry raspberry-pi raspberry-pi-pico real-time

Last synced: 01 Jun 2026

https://github.com/MoonWorm/jsonapi4j

Lightweight API framework for Java for building JSON:API compliant APIs with minimal configuration

api api-rest java json-api oas3

Last synced: 13 Mar 2026

https://github.com/landawn/abacus-jdbc

Coding with SQL/DB is just like coding with Collections

dao java jdbc jpa orm sql sqlbuilder

Last synced: 25 May 2026

https://github.com/tonyofrancis/dispatcher

Dispatcher is a simple and flexible work scheduler that schedulers work on a background or UI thread correctly in the form of Dispatch using the android.os.Handler class.

android androidlibrary api downloader downloadmanager handlerthread java kotlin kotlin-android observable okhttp retrofit2 rxandroid rxjava rxjava2 simple threading

Last synced: 30 Jul 2025

https://github.com/orienteerbap/jnpm

Native Java API to work with JavaScript Node Package Manager (NPM): query, retrieve, pack into jar (webjars), CDN

artifact frontend java npm resources

Last synced: 02 Aug 2025

https://github.com/brcolow/java-vulkan

Experiment with Project Panama, jextract, and Vulkan on Win32.

java jextract project-panama vulkan win32api

Last synced: 29 Jul 2025

https://github.com/adambien/aws-lambda-cdk-plain

Simplest Possible AWS Lambda Function with Cloud Development Kit (CDK) Boilerplate

aws aws-lambda corretto devops iac infrastructure-as-code java lambda lambda-functions serverless

Last synced: 29 Jul 2025

https://github.com/augustd/burp-suite-swaggy

Burp Suite extension for parsing Swagger web service definition files

burp burp-extensions burp-plugin burpsuite java penetration-testing pentest swagger

Last synced: 16 Jan 2026

https://github.com/harp077/sjce

Strong Java Chess Engines. SJCE - free portable cross-platform graphical chess game, 100% Java. See releases at https://sourceforge.net/projects/sjce/

chess engine game graphical java uci uci-engine xboard

Last synced: 27 Oct 2025

https://github.com/itzg/kidsbank-js

kids bank is a totally virtual way for parents and kids to keep track of allowance, etc

es6 java kids mongodb react redux redux-form semantic-ui-react spending spring-boot

Last synced: 16 Mar 2025

https://github.com/rebaze/integrity

Java library providing Merkle DAG structures

bitcoin blockchain dag java java-library

Last synced: 12 Jan 2026

https://github.com/jpkhawam/nabu

Offline Android note taking app. Aimed to be modern-looking and capable, with a UI inspired by Google Keep's.

a11y accessibility android java note-taking notes-app xml

Last synced: 25 Jul 2025

https://github.com/philipperemy/market-data

Module to retrieve realtime stock quotes of Paris stock exchange

cac40 dataset finance java market-data

Last synced: 25 Jul 2025

https://github.com/geerlingguy/catholic-diocese-app-android

Catholic Diocese App for Android

android app appstore catholic diocese java

Last synced: 18 Mar 2025

https://github.com/apache/tomcat-connectors

Apache Tomcat Connectors

http java javaee network-server tomcat

Last synced: 09 Apr 2025

https://github.com/apache/iotdb-tsfile-viewer

Apache IoTDB TsFile Viewer

java timeseries tsfile

Last synced: 10 Apr 2025

https://github.com/heruoxin/cachefunctionutil

Tiny helper class to provide cache for the result of repeated functions.

android java

Last synced: 17 Jun 2025

https://github.com/komiya-atsushi/fast-rng-java

fast-rng: Fast random number generator for Java

java random-number-generators rng

Last synced: 13 Apr 2025

https://github.com/geerlingguy/Catholic-Diocese-App-Android

Catholic Diocese App for Android

android app appstore catholic diocese java

Last synced: 06 May 2025

https://github.com/sematre/dsbmobile-api

A simple Java library for DSBmobile

api dsb dsbmobile java library mobile

Last synced: 30 Apr 2025

https://github.com/storj/uplink-android

Storj network Android library

android android-bindings java storj storj-network

Last synced: 30 Apr 2025

https://github.com/zielu/svntoolbox

Enhances IntelliJ IDEA SVN integration

intellij-plugin java svn

Last synced: 23 Mar 2025

https://github.com/satimoto/satimoto

No sign-up, no credit cards, charge your electric vehicle and pay instantly using Bitcoin over the Lightning Network

android bitcoin golang grpc ios java lightning lightning-network lnd-mobile lng neutrino react-native swift typescript

Last synced: 10 Mar 2026

https://github.com/mrtimeey/java-live-templates

A set of java live templates for use with JetBrains IDEs.

intellij intellij-idea java jetbrains live-templates

Last synced: 23 Oct 2025

https://github.com/hellokoding/springboot-freemarker

Spring Boot Hello World Example with FreeMarker

freemarker hello-world java spring-boot

Last synced: 13 May 2025

https://github.com/peppe/pagedtable

PagedTable Add-on for Vaadin Framework 8

addon java pagedtable vaadin

Last synced: 27 Jun 2025

https://github.com/auula/s2s

s2s is a command line tool for database reverse engineering.

command database go java reverse-engineering rust

Last synced: 12 Jan 2026

https://github.com/ovflowd/ecommerce

:handbag: A simple restful API for Purchases and Products

api grails groovy java pismo products purchases restful saas

Last synced: 21 Jul 2025

https://github.com/gzyangkui/vertx-mall

Quickly build high performance mall

java reactive-programming vertx vertx-web

Last synced: 06 Apr 2025

https://github.com/ffissore/slf4j-fluent

A fluent api for SLF4J

fluent java logging slf4j

Last synced: 12 Apr 2025

https://github.com/romankh3/flights-monitoring

Application for monitoring flight cost based on Skyscanner API. Application deployed on Heroku and application API can be tested on Swagger UI

client flights java skyscanner ukrainian

Last synced: 02 Sep 2025

https://github.com/abhijithneilabraham/pdfsummariser

An android app to summarize any pdf uploaded to it

android java nlp-machine-learning pdf summarisation summarization-framework

Last synced: 05 May 2025

https://github.com/microcks/microcks-testcontainers-java-spring-demo

Spring Boot demonstration app on how to use Microcks Testcontainers in your dev/test workflow

asyncapi java kafka microcks openapi springboot testcontainers

Last synced: 13 May 2025

https://github.com/airbytehq/airbyte-api-java-sdk

Java SDK for Airbyte API

airbyte api java sdk

Last synced: 11 Jul 2025

https://github.com/gradleup/compat-patrouille

🐾🐾 La Compat-Patrouille helps you configure your Java/Kotlin compatibility flags.🐾🐾

android gradle java kotlin

Last synced: 15 Apr 2025

https://github.com/nickbullll/http-simple-cheatsheet

Simple HTTP status codes cheatsheet 🦄

cheatsheet guide http https java nodejs web webapp website

Last synced: 15 Mar 2025

https://github.com/cameronhunter/glacier-cli

Amazon AWS Glacier command line interface for Linux, Mac and Windows

amazon-glacier aws-glacier glacier-cli java

Last synced: 23 Mar 2025

https://github.com/mq-b/-2022-5-4-

Purely logged, useful for you to look at the direct clone code, if there are problems send an email

c centos7 cpp java linux mysql python3 shell visual-studio

Last synced: 23 Apr 2025

https://github.com/shaoxiongdu/java-notes

java成长之路 我的Java学习笔记,存放此处便于移动端复习。

java jvm mybatis mysql nginx redis spring springboot

Last synced: 14 Apr 2025

https://github.com/circleci-public/cimg-openjdk

The CircleCI OpenJDK (Java) Docker Convenience Image.

circleci circleci-cimg convenience-image docker java openjdk

Last synced: 10 Apr 2025

https://github.com/sabaurgup/java_react-bootcamp

Software Developer Training Camp (JAVA + REACT) works under the guidance of Engin Demiroğ

java java-demo java-fundamentals react spring-boot

Last synced: 27 Jun 2025

https://github.com/g4s8/teletakes

True Object-Oriented Telegram Bot Framework

framework java oop telegram

Last synced: 09 Apr 2025

https://github.com/zhuangjiaju/easytools

java卓越工程实战, 让你的代码变得更加优雅。

java spring template

Last synced: 18 Feb 2026

https://github.com/cassiomolin/jersey-websockets-undertow

Example of REST API along with WebSocket endpoint using Undertow, Weld, Jersey and JSR 356.

cdi java jersey jsr356 undertow websockets weld

Last synced: 01 Sep 2025

https://github.com/leihuazhe/java11-netty-demo

A mini RPC client server demo based on Java 11, using its modularization features.

java java11 netty

Last synced: 10 Apr 2025

https://github.com/yeregorix/mirage

The best solution against xray users

anticheat antixray java minecraft plugin sponge xray

Last synced: 23 Jul 2025

https://github.com/jamius19/paddle-verifier

A lighweight Paddle.com webhook verification library for Java.

java paddle webhook

Last synced: 20 Jan 2026

https://github.com/caellian/java-decompiler

Java decompiler written in Rust.

decompiler java rust

Last synced: 04 Mar 2026

https://github.com/dheerajkotwani/hackcovid-19

Android app made for complete solution during Covid-19 and Quarantine.

android-application androidx firebase firestore-database google-maps java jetpack-android mvvm-architecture retrofit2

Last synced: 12 Apr 2025

https://github.com/lambda-client/exampleplugin

Example with explanation on how to create a plugin for the utility mod lambda.

example gradle java kotlin minecraft plugin

Last synced: 10 Jul 2025

https://github.com/niumoo/jdk-feature

☕【Java 新特性系列】Java 版本任你发,我用 Java 8 。但是多学点这种奇巧的装 X 技巧总没错,何况有些新语法说不定是真香呢。

java java10 java11 java8 java8-lambda-expression java8-stream java8-tutorial java9

Last synced: 05 Oct 2025

https://github.com/fernanda-kipper/microservice-java

This repository contains a simple microservice example in Java built during a live in my Youtube Channel

feign feign-client java java-spring microservice

Last synced: 20 Sep 2025

https://github.com/junghoon-vans/spring-data-meilisearch

Provide support to increase developer productivity in Java when using Meilisearch. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

ddd framework java meilisearch spring spring-data

Last synced: 04 Jan 2026

https://github.com/e-kotov/rjavaenv

Java Environments for R Projects

environments java r reproducibility reproducible-research

Last synced: 12 Aug 2025

https://github.com/mrcsparker/nifi-sqllookup-services-bundle

NIFI controllers for SQL record and attributes lookups with built-in caching

java jdbc nifi nifi-processor nifi-processors sql

Last synced: 07 Aug 2025

https://github.com/etil2jz/sakura

Minecraft 1.18.2 Backport of Petal, a performance-oriented fork of Purpur intended to increase performance for entity-heavy servers by implementing multi-threaded and asynchronous improvements.

bloom-host bukkit craftbukkit java minecraft minecraft-api minecraft-performance minecraft-server paper petal spigot-fork

Last synced: 01 Oct 2025

https://github.com/whilein/te4j

Fast and easy template engine

fast java template-engine

Last synced: 14 Jan 2026