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/cajuncoding/pdftemplating.xslfo

This is a C# .NET solution that tests and illustrates the capabilities of Xsl-FO for dynamically generating PDF documents. It provides a way to generate the XSL-FO source xml from Xslt or Razor Templating to address various development teams. And it provides basic WinForms Application that can be used to aid in developing the Xslt and Xsl-FO markup.

apache-fop azure-functions csharp fonet fop java microservice pdf-files pdf-generation pdf-rendering pdf-reports pdf-templating razor-templates razor-views serverless template-engine xsl-fo xslfo xslt xslt-template

Last synced: 16 Mar 2025

https://github.com/normangyllenhaal/spring-boot-payment-starter

google play 和 appstore 服务端支付校验

appstore googleplay java payment spring springboot

Last synced: 22 Oct 2025

https://github.com/aws-samples/amazon-kinesis-timestream-grafana

Sample serverless application that reads events from Amazon Kinesis Data Streams and batches records to Amazon Timestream via Apache Flink app, visualizing results via Grafana.

amazon-kinesis amazon-kinesis-data-analytics-flink amazon-kinesis-streams amazon-timestream amazon-web-services analytics aws aws-cdk aws-lambda gradle grafa java java-11 kotlin

Last synced: 18 Jul 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/iboxdb/db4o-gpl

new Db4o GPL Source Code for Java7+ & .netstardard2.0 Android Xamarin..., the best database project to help you to learn how to make databases

data database db4o embaddable java netstandard oodb

Last synced: 14 Jan 2026

https://github.com/imb11/skinshuffle

Choose and change your skin in-game!

java minecraft minecraft-skins modding modrinth skin-changer skins

Last synced: 25 Aug 2025

https://github.com/nervosnetwork/ckb-sdk-java

Java SDK for CKB

blockchain ckb java nervos

Last synced: 07 Apr 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/hellokoding/single-sign-on-out-auth-jwt-cookie-redis-springboot-freemarker

Single Sign Out: Authentication Service Example with JSON Web Token (JWT), Spring Boot and Redis

architecture authentication cookie freemarker java jwt redis scale single-sign-on single-sign-out spring-boot sso

Last synced: 04 Oct 2025

https://github.com/aematsubara/realisticvillagers

Forget about those boring villagers and replace them with interactive humans!

bukkit bukkit-plugin java minecraft paper paper-plugin plugin spigot spigot-plugin spigotmc villager

Last synced: 10 Jul 2025

https://github.com/hellokoding/dockercompose-springboot-nginx

A simple Spring Boot web application running behind NGINX and inside Docker containers

docker-compose java maven nginx spring-boot

Last synced: 17 Aug 2025

https://github.com/expediagroup/rhapsody

Reactive Streams framework with support for at-least-once processing

java kafka rabbitmq reactive-streams reactor streams

Last synced: 06 Jul 2025

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/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/bigggge/note

 Material Design 记事本

android java material-design

Last synced: 22 Mar 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/andy489/data_structures_and_algorithms

Data structures. Algorithms. Problems and Solutions.

algorithms cpp data-structures java

Last synced: 26 Jul 2025

https://github.com/wileylabs/teasy

Test easy with Teasy - UI automation testing framework

automated-testing java selenium teasy testng

Last synced: 13 Apr 2025

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/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/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/okumin/influent

A Fluentd server running on the JVM

fluentd java

Last synced: 14 Jan 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/chuckb/haikuVM

A small JAVA VM for microcontrollers

arduino arm avr bare-metal gradle java jvm raspberry-pi

Last synced: 27 Feb 2025

https://github.com/dehora/nakadi-java

🌀 Client library for the Nakadi Event Broker (examples: http://bit.ly/njc-examples, site: https://dehora.github.io/nakadi-java/)

gson java nakadi rxjava

Last synced: 16 May 2025

https://github.com/hei-school/hei-admin-api

RESTful API for managing a school

java openapi3 restful-api school-management

Last synced: 16 Jan 2026

https://github.com/xxdark/unsolver-8306275

Enables EnableDynamicAgentLoading in a remote process

encapsulation java java-agent

Last synced: 19 Apr 2025

https://github.com/xdev-software/chartjs-java-model

Provides Java models for Chart.js

chartjs charts java model

Last synced: 05 Mar 2026

https://github.com/caolib/book_management_system

Java课程设计,图书借阅管理系统,springboot+vue3前后端分离开发

java mybatis-plus mysql redis springboot

Last synced: 10 Oct 2025

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/angular2guy/aidocumentlibrarychat

A project to show howto use SpringAI with OpenAI to chat with the documents in a library. Documents are stored in a normal/vector database. The AI is used to create embeddings from documents that are stored in the vector database. The vector database is used to query for the nearest document. That document is used by the AI to generate the answer.

ai angular angular-material chatgpt deepseek-coder embeddings gradle java liquibase llava llm mixtral-8x7b ollama pgvector postgresql spring-ai spring-boot sqlcoder typescript vector-database

Last synced: 28 Jun 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/faforever/faf-java-api

The FAForever REST api

elide java rest spring

Last synced: 06 Jun 2026

https://github.com/coldnew/twse-captcha-solver-dl4j

A deeplearning based captcha solver for http://bsr.twse.com.tw/bshtm/

captcha-solver deeplearning4j java stock taiwan twse

Last synced: 12 Apr 2025

https://github.com/apache/struts1

Mirror of Apache Struts 1

java struts web-framework

Last synced: 10 Apr 2025

https://github.com/thundernet8/elune

🤔 Elune project

bbs forum java razor

Last synced: 01 Sep 2025

https://github.com/52north/arctic-sea

Framework for developing OGC services, clients and middleware

arctic-sea bjornoya faroe iceland janmayen java ogc ogc-services shetland svalbard

Last synced: 07 Apr 2025

https://github.com/hoijui/rezipdoc

Repack uncompressed & diff visualizer for ZIP based files stored in git repos

cli free-software git-filter git-textconv java oseg

Last synced: 23 Mar 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/apache/maven-parent

Apache Maven Project Parent POMs

build-management java maven

Last synced: 05 Apr 2025

https://github.com/davidgutierrezrubio/jmathanim

A Java library to make mathematical animations

animation java mathematics

Last synced: 11 Jan 2026

https://github.com/rozidan/logger-spring-boot

A Spring Boot @Loggable annotation that will help you log your application more easily

annotations aop java spring-boot

Last synced: 12 Jan 2026

https://github.com/rameshmf/java-collections-framework-course

Java Collections Framework course at https://youtu.be/GdAon80-0KA

collections java java8

Last synced: 03 May 2025

https://github.com/dspace/xoai

OAI-PMH Java Toolkit

dspace java oai-pmh repository

Last synced: 05 Apr 2025

https://github.com/yegor256/wring

Smart Inbox for GitHub Notifications

github inbox java notifications xml xslt

Last synced: 27 Mar 2025

https://github.com/nasageek/utexas-utilities

Android app to interact with various UT Austin web services

android java university-of-texas

Last synced: 06 Mar 2026

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/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/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/iuv/square

造一个方形的轮子

framework ioc java

Last synced: 17 Sep 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/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/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/sbt/sbt-java-formatter

An sbt plugin for formating Java code

code-formatter java sbt

Last synced: 21 Apr 2025

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

DASH MPD tools for Java

dash java mpd

Last synced: 14 Jan 2026

https://github.com/binhex/arch-minecraftserver

Docker build script for Arch Linux base with Minecraft Java server

arch-linux docker java minecraft minecraft-server

Last synced: 11 Mar 2026

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/marwa-eltayeb/fast-image-resizer

Javafx application to resize images and add them into folders automatically.

android-resources image-preview image-processing image-resizer java javafx-application resize-images resize-tool

Last synced: 10 Apr 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/felipetomazec/lexical-analyzer

A basic Lexical-Analyzer written in Java.

compilers java javafx javafx-application lexical-analysis

Last synced: 10 Apr 2025

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/ZHENFENG13/ssm-dubbo

:corn:Spring+SpringMVC+Mybatis+Dubbo2.6服务化改造(dubbo 2.6.5+zookeeper)

13 dubbo dubbo-2-6-1 dubbo-demo dubbo-rpc-zookeeper dubbox java mybatis services spring springmvc ssm-dubbo zookeeper

Last synced: 04 May 2025

https://github.com/stageguard/osumapsuggester

A OneBot bot that can provide osu!std players some appropriate beatmap (WIP)

bot java kotlin osu osugame

Last synced: 17 Jul 2025

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/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/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/ShailuJain/DeskViewer

A Java Project for screen sharing based on TCP protocol. Like TeamViewer

java networking robot screensharing screenshot sockets teamviewer

Last synced: 18 Jul 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/hubspot/niosmtpclient

Smtp Client based on Netty

email java java8 netty nio smtp

Last synced: 10 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/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/rocketchat/rocket.chat.java.sdk

[DEPRECATED, NOT MAINTAINED] Java/Android SDK for Rocket.Chat

android chat-support hacktoberfest java livechat rocketchat rocketchat-sdk sdk

Last synced: 13 Oct 2025