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/connorskees/coffea

Java decompiler written in Rust with a focus on performance

java java-decompiler jvm jvm-bytecode reverse-engineering

Last synced: 23 Mar 2025

https://github.com/bigggge/note

 Material Design 记事本

android java material-design

Last synced: 22 Mar 2025

https://github.com/faceless2/zeroconf

A very simple pure Java implementation of Multicast DNS SD (Service Discovery)

dns-sd java service-discovery zeroconf

Last synced: 07 Mar 2026

https://github.com/gatanaso/multiselect-combo-box-flow

Multi-select-combo-box component for Vaadin

java vaadin vaadin-flow vaadin-platform

Last synced: 14 Apr 2025

https://github.com/asyncapi/kotlin-asyncapi

Simplify event-driven API documentation for Kotlin microservices

asyncapi documentation event-driven java kotlin kotlin-asyncapi spring-boot

Last synced: 25 Jan 2026

https://github.com/1farz1/leetcode

A Repo That Contains Solutions To Leet Code Problem I Solved

coding complexity java problem-solving python solutions

Last synced: 30 Oct 2025

https://github.com/javasync/rxio

Asynchronous non-blocking File Reader and Writer library for Java

asynchronous java java-nio non-blocking

Last synced: 11 Jan 2026

https://github.com/screamingsandals/screaminglib

Cross-platform library for Minecraft development. Currently WIP, but usable and we will finish it eventually

bukkit-library cross-platform-api java minecraft

Last synced: 01 Nov 2025

https://github.com/kyoripowered/adventure-platform-mod

An adapter for adventure to integrate with Fabric and NeoForge

fabric java minecraft neoforge

Last synced: 22 Aug 2025

https://github.com/gamussa/kuma4devs

Service Mesh for the Developer (with examples using Kuma Mesh kuma.io)

java kotlin mtls observability service-mesh zero-trust

Last synced: 25 Jun 2025

https://github.com/apache/camel-karaf

Apache Camel Karaf support

camel integration java karaf osgi

Last synced: 22 Feb 2026

https://github.com/opensearch-project/opensearch-sdk-java

OpenSearch SDK to build and run extensions

java

Last synced: 09 Apr 2025

https://github.com/adambien/best-of-java-shorts

A selection of Java Shorts from http://youtube.com/bienadam/shorts that I sometimes present at conferences

conferences devoxx infoshare java shorts w-jax

Last synced: 29 Jul 2025

https://github.com/joschi/setup-jdk

(DEPRECATED) Set up your GitHub Actions workflow with a specific version of AdoptOpenJDK

action actions adoptopenjdk github-action github-actions github-actions-java java

Last synced: 08 Apr 2025

https://github.com/jpmorganchase/sandboni-core

Sandboni - Java test optimization library which reduces test execution time without compromising quality

code java jpmorganchase static test-automation testing-tools

Last synced: 14 Jan 2026

https://github.com/indoqa/solr-spatial-clustering

A Distance-based Solr spatial clustering plugin

distance indoqa-library java solr spatial-clusters

Last synced: 26 Apr 2025

https://github.com/st235/androidrouter

Simple way to make navigation in Android Application 🔫

android android-sdk java mvp routing

Last synced: 12 Apr 2025

https://github.com/kongruksiamza/javabasic

โค้ดประกอบการสอนเนื้อหาเขียนโปรแกรมด้วยภาษา Java เบื้องต้น

java java-programming-language javabasic

Last synced: 22 Jun 2025

https://github.com/yusuf-daglioglu/spring_microservices_demo

Simple Spring (Netflix) Cloud Native Microservice Project

cloud-native docker java netflix-eureka spring zuul-gateway

Last synced: 15 Apr 2025

https://github.com/rapter1990/simplebanking

Simple Banking App (Spring Boot, Gradle, JUnit, Integration Test, Postgresql, Prometheus, Grafana, Github Actions, Postman)

ci-cd continuous-deployment continuous-integration docker docker-compose github-actions gradle grafana integration-test java junit monolith openapi postgresql postman prometheus spring-boot swagger

Last synced: 16 May 2025

https://github.com/masesgroup/jnet

Java/JVM suite for .NET: a comprehensive suite of libraries and tools to use Java/JVM APIs (Java, Scala, Kotlin, ...) and .NET side-by-side

clr dotnet dotnet-core dotnet6 dotnet8 java jvm kotlin netcore scala

Last synced: 07 Jun 2026

https://github.com/ma63d/leetcode

My LeetCode Solutions. 我的leetcode解题源码.

java javascript leetcode leetcode-solutions

Last synced: 29 Jul 2025

https://github.com/1and1/snmpman

Easy massive SNMP-agent simulation with the use of simple YAML files

agent docker-image java parallel simulator snmp snmp-agent snmp4j test

Last synced: 02 Oct 2025

https://github.com/atrox/haikunatorjava

Generate Heroku-like random names to use in your Java applications

haikunator heroku java

Last synced: 31 Jul 2025

https://github.com/qala-io/java-beginner-course

Self paced course for those who want to become Java programmers

java tutorial

Last synced: 09 Mar 2026

https://github.com/andy489/data_structures_and_algorithms

Data structures. Algorithms. Problems and Solutions.

algorithms cpp data-structures java

Last synced: 26 Jul 2025

https://github.com/reyadussalahin/problem-solving

A platform where you can learn about algorithms and data structures. A heaven for competitive programmers. Learn here: https://reyadussalahin.github.io/problem-solving/

algorithms codechef codeforces codejam competitive-programming cpp cuet data-structures hackercup hacktoberfest hacktoberfest-accepted icpc java javascript leetcode problem-solving python racket spoj uva

Last synced: 17 Jan 2026

https://github.com/fraktalio/courier-demo

Axon demo - `Courier Management` Information System - A part of the systems landscape: https://github.com/fraktalio/courier-demo, https://github.com/fraktalio/restaurant-demo, https://github.com/fraktalio/order-demo

axon-framework cqrs ddd demo-app event-sourcing eventmodeling java microservices spring-boot

Last synced: 17 Jan 2026

https://github.com/masterflomaster1/jfxcrypto

🔐 150+ Algorithms, Reactive GUI, and More: Text & File Encryption, Hashing, MAC, Key Generation, and Password Strength Evaluation. JCA, JCE with Bouncy Castle

aes aes-256 chacha20 cipher encryption enigma gui hash hmac java javafx md5 mvvm password pbkdf2 rc4 reactive salsa20 security sha-256

Last synced: 13 Jul 2025

https://github.com/jakartaee/transactions

Welcome to the Jakarta EE Transactions API Project (formerly JTA)

api jakarta-ee jakartaee java transaction

Last synced: 03 Jul 2025

https://github.com/extrawest/charge-point-simulator-via-ocpp-2.0.1

This is a emulator for huge numbers of charge points, that connect to central system through web socket and implement OCPP 2.0.1

charger docker dockerfile java jetty maven ocpp ocpp201 simulator spring spring-boot websocket

Last synced: 08 Sep 2025

https://github.com/edmcouncil/onto-viewer

OntoViewer is an open-source project that is hosted by EDM Council. The project started in May 2019. OntoViewer is a JAVA application that is specifically designed to access both the ontology structure and its content in the easiest possible way. OntoViewer servers both as a web application and REST API.

auto-viewer fibo-viewer java java-application onto-viewer ontology-documentation ontology-search

Last synced: 25 Jan 2026

https://github.com/pillowmc/pillow

Run Fabric or Quilt Loader on ModLauncher. No releationship between Python library PILlow.

fabricmc java java-17 minecraft mod neoforge quiltmc

Last synced: 12 Apr 2025

https://github.com/jgperrin/net.jgp.books.spark.ch02

Spark in Action, 2nd edition - chapter 2

apache-spark java java8 manning spark sparkwithjava

Last synced: 06 May 2025

https://github.com/e-candeloro/SAURUSS-Autonomous-Drone-Surveillance

An autonomous drone and sensor based surveillance system that use a Tello Drone, an Arduino, a Raspberry Pi and an Android smartphone.

3d android-app arduino aruco-markers autonomous-drone autonomous-vehicles c-language computer-vision drone finite-state-machine intrusion-detection iot java opencv python surveillance telegram tellodrone yolo

Last synced: 21 Apr 2025

https://github.com/opensearch-project/asynchronous-search

:arrow_forward: Run queries in the background and retrieve partial results along the way

async asynchronous java long longrunning partial poll search timeouts

Last synced: 09 Apr 2025

https://github.com/stfalcon-studio/StfalconFixturer-android

Utility for developers and QAs what helps minimize time wasting on writing the same data for testing over and over again. Made by Stfalcon

android autofill autofixture fixtures java kotlin qa utility

Last synced: 18 Jul 2025

https://github.com/carlanton/mpd-tools

DASH MPD tools for Java

dash java mpd

Last synced: 14 Jan 2026

https://github.com/rhwood/jinputvalidator

Java Swing InputVerifier that adds an icon and tooltip to the component for invalid states.

java swing swing-component

Last synced: 14 Jan 2026

https://github.com/igr/hey-you

Face detection, face recognition and gender detection with OpenCV

face-detection face-recognition gender-recognition java opencv

Last synced: 22 Mar 2025

https://github.com/italia/spid-spring

SPID extension for Java Spring

java spid spring

Last synced: 08 Apr 2026

https://github.com/mondain/jets3t

JetS3t (pronounced "jet-set") is a free, open-source Java toolkit and application suite for Amazon Simple Storage Service (Amazon S3), Amazon CloudFront content delivery network, and Google Storage for Developers.

aws cloud cloudfront google-storage java s3

Last synced: 12 May 2025

https://github.com/ibmstreams/streamsx.topology

Develop streaming applications for IBM Streams in Python, Java & Scala.

ibm-streams java python python-3 scala stream-processing streaming-topologies toolkit

Last synced: 01 Jul 2025

https://github.com/ucloud/ufile-sdk-java

UCloud 对象存储官方 SDK

java library object-storage ucloud-sdk

Last synced: 06 Apr 2025

https://github.com/apache/maven-shared-utils

Apache Maven Shared Utils

build-management java maven maven-shared

Last synced: 15 May 2025

https://github.com/e-candeloro/sauruss-autonomous-drone-surveillance

An autonomous drone and sensor based surveillance system that use a Tello Drone, an Arduino, a Raspberry Pi and an Android smartphone.

3d android-app arduino aruco-markers autonomous-drone autonomous-vehicles c-language computer-vision drone finite-state-machine intrusion-detection iot java opencv python surveillance telegram tellodrone yolo

Last synced: 13 Oct 2025

https://github.com/graphaware/neo4j-expire

GraphAware Module for Expiring (Deleting) Nodes and Relationships

java neo4j neo4j-graphaware-framework

Last synced: 06 Oct 2025

https://github.com/houkunlin-starter/system-dict-starter

系统数据字典自动翻译成字典文本。可集合系统数据库中存储的用户数据字典,也可使用枚举做系统数据字典,主要用在返回数据给前端时自动把字典值翻译成字典文本信息。

java

Last synced: 12 Jan 2026

https://github.com/twin/spring-security-oauth2-client-example

Minimal configuration required for a Spring Boot project using Spring Security with OAuth2 client

java oauth2-client spring spring-boot spring-framework spring-security spring-security-oauth2

Last synced: 04 Oct 2025

https://github.com/genexuslabs/javaclasses

GeneXus Standard Classes for Java and Android generators.

for-genexus-web-app generator genexus java maven standard-library

Last synced: 29 Aug 2025

https://github.com/nairuzabulhul/100-projects-challenge

:100: Projects from Sophomore to Senior year at AU | Resume: http://resume.github.io/?nairuzabulhul

algorithms android automation challenges css fullstack html ideas java javascript new programming python

Last synced: 30 Aug 2025

https://github.com/netease/mebius

精准测试sdk

java

Last synced: 14 Apr 2025

https://github.com/fofapro/fofa-java

A Java version of the SDK, based on the FOFA Pro API, makes it easy for Java developers to quickly integrate FOFA Pro into their projects.

fofa java

Last synced: 13 Jun 2025

https://github.com/vankka/dependencydownload

A Java library (& Gradle plugin) to download dependencies during runtime with ease

dependency-management gradle-plugin java

Last synced: 16 Mar 2025

https://github.com/nicolas-raoul/commons-dbcp-monitoring

Monitor what threads are using connections from the DBCP pool, and generate a nice graph to understand what is happening.

commons-dbcp dbcp dbcp-pool graph java monitoring thread tomcat

Last synced: 12 Mar 2026

https://github.com/extrawest/Charge-Point-Simulator-via-OCPP-2.0.1

This is a emulator for huge numbers of charge points, that connect to central system through web socket and implement OCPP 2.0.1

charger docker dockerfile java jetty maven ocpp ocpp201 simulator spring spring-boot websocket

Last synced: 04 Sep 2025

https://github.com/troyzhxu/xjsonkit

超轻量级 JSON / JSONB / XML / YAML 解析门面 API,用法简单,使业务代码不依赖具体实现,解耦神器!

java json jsonb xml yaml

Last synced: 12 Apr 2025

https://github.com/augustd/burp-suite-software-version-checks

Burp extension to passively scan for applications revealing software version numbers

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

Last synced: 16 Jan 2026

https://github.com/tokenmill/timewords

Multilingual library to easily parse date strings to java.util.Date objects.

clojure date-parser date-time java natural-language-processing parsing

Last synced: 22 Apr 2025

https://github.com/appwrite/playground-for-kotlin

Simple examples that help you get started with Appwrite + Kotlin (=❤️)

android appwrite hacktoberfest java kotlin

Last synced: 02 Mar 2026

https://github.com/kotools/samples

Gradle plugin that inlines read-only Kotlin and Java code samples into Dokka documentation, ensuring they are always correct and visible not only online but also in IDEs.

dokka gradle java kotlin

Last synced: 02 Apr 2026

https://github.com/Perry961002/Algorithms-LeetCode

:art:I practiced some LeetCode's algorithm problems with C++, Java, Python and Go, and also implemented some classical algorithms.

algorithmic-trading c-plus-plus go java python3

Last synced: 07 May 2025

https://github.com/cl7/battlecity

Java Swing project to simulate classic 2D tank game. Supports Two player local game server. A* algorithm for AI.

battle-city java java-swing multiplayer player tank-game

Last synced: 21 Mar 2025

https://github.com/horaciomuller/event-api

Developed with Java 17, Spring, Docker, Flyway, JUnit, Mockito, and deployed on AWS EC2 with GitHub Actions automation.

aws docker githubactions java postgres spring

Last synced: 14 Apr 2025

https://github.com/notakamihe/ecommerce-angular-spring

Built with the Spring Boot backend and the Angular frontend, this project is an e-commerce app where users can register, login, change profile, view products, view a product in detail, and add products to the cart.

angular full-stack java spring-boot typescript

Last synced: 28 Jun 2025

https://github.com/kevin-lee/j8plus

Library containing useful tools for Java 8

functional-programming java java8 lambda-expressions recursion stream

Last synced: 22 Mar 2025

https://github.com/imagej/napari-imagej

Use ImageJ functionality from napari

fiji imagej java napari python

Last synced: 01 Aug 2025

https://github.com/hms-core/hms-audio-editor-demo

HUAWEI Audio Kit provides a wide range of audio editing capabilities, including auido import/export/editing/extracting and format conversion. This sample code describes how to integrate the Audio Editor Kit SDK.

audio audio-editor hms huawei java

Last synced: 01 Aug 2025

https://github.com/bahmanm/persianutils

A collection of utilities for Scala/Java developers who are targeting Persian (Farsi) speaking users.

date farsi java localization scala

Last synced: 01 Aug 2025

https://github.com/tambapps/p2p-file-sharing

Application using Peer to peer communication to transfer files under a same local network

android java javafx p2p peer-to-peer tcp udp

Last synced: 24 Jul 2025

https://github.com/apache/beam-site

Apache Beam Site

beam big-data java python

Last synced: 05 Apr 2025

https://github.com/opensolon/solonbot

Java impl version of "Claude Code". The open source coding agent.

claude-code cli cli-app java solon

Last synced: 09 Mar 2026

https://github.com/jayboxyz/algorithm-notes

:memo: 数据结构与算法学习、LeetCode 刷题...

algorithm datastructure java leecode

Last synced: 13 Jul 2025

https://github.com/mastercloudapps-projects/asyncreactiveprogramming

This repository is intended to be a compilation of presentations, examples, links, and other resources on asynchronous and reactive programming in Java

asynchronous-programming java project-reactor r2dbc reactive-programming reactive-streams rsocket webflux

Last synced: 19 Jun 2025

https://github.com/beehive-lab/docker-tornadovm

Docker build scripts for TornadoVM on GPUs: https://github.com/beehive-lab/TornadoVM

docker gpu gpu-computing graalvm hardware-acceleration intel-gpu java nvidia opencl tornado-gpu tornadovm

Last synced: 27 Mar 2026

https://github.com/panga/fn-native-java

Fn Project Native Java Function using GraalVM

fnproject graalvm java

Last synced: 10 Apr 2025

https://github.com/saarthak08/Movies-Index

An android application which shows the list & information of movies from The Movie Database API (TMDb) & allows to download their torrent files from YIFY.

android java retrofit room-database rxandroid rxjava tmdb-api tmdb-movie-search torrent yify yify-torrents yts-api

Last synced: 28 Mar 2025

https://github.com/zxcvbnmzsedr/apidoc

通过JavaDoc生成OpenAPI文档

doc java javadoc swagger

Last synced: 11 Jan 2026

https://github.com/pawandubey/griffin

speedy and simplistic static site generator.

griffin java static-site-generator

Last synced: 07 Mar 2026