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/albertus82/jface-utils

Java SWT/JFace Utility Library including a Preferences Framework, Lightweight HTTP Server and macOS support.

http-server java jface macos mqtt preferences swt

Last synced: 16 Jan 2026

https://github.com/indeedeng/iwf-java-sdk

Java SDK for iwf workflow engine(simple & powerful workflow as code engine based on Cadence/Temporal)

java java-sdk open-source orchestration orchestration-engine orchestration-framework workflow workflow-as-code workflow-engine

Last synced: 15 May 2025

https://github.com/firaskahlaoui/java-project-ds

Java-based application that allows both administrators and users to efficiently manage club memberships and user accounts.

interface-builder java management-system mysql

Last synced: 30 Aug 2025

https://github.com/murshidazher/simple-devops-project

🔨 A simple devops project with the use of jenkins, ansible, docker, kubernetes, tomcat, aws.

ansible aws docker java jenkins kubernetes maven tomcat

Last synced: 15 Apr 2025

https://github.com/int128/httpstub

Declarative YAML based HTTP stub server for integration test

groovy httpstub java

Last synced: 30 Mar 2025

https://github.com/hcvazquez/jspirit

[A flexible tool for the analysis of code smells] Code smells are a popular mechanism to identify structural design problems in software systems. In this repository, it's version a flexible tool to prioritize technical debt in the form of code smells.

code-quality codesmells java maintenance prioritization technical-debt

Last synced: 10 Mar 2026

https://github.com/client-side/throttle

Java Rate Limiter Derived From Googles' Guava Implementation

java rate-limiter rate-limiting throttle

Last synced: 05 Oct 2025

https://github.com/floverfelt/find-and-replace-maven-plugin

Maven plugin for finding and replacing values in filenames, files, and folders.

build-management java maven maven-plugin

Last synced: 14 Jan 2026

https://github.com/twogg-git/docker-compose-java

A bit more complex docker-compose example with Java, Tomcat, PostgreSQL and a SMTP.

docker-compose java postgres rest smtp smtp-server tomcat

Last synced: 04 Sep 2025

https://github.com/xjjdog/okmind

【全】【精校】思维导图,配套详解。markdown编写即可发布,可导出图片,可在线预览

java linux map markdown markmap mind mindmap okmind python xmind

Last synced: 24 Apr 2025

https://github.com/nakov/todo-list-tech-module

TODO List (in C#, Java, JS and PHP) - Exam Preparation for the Tech Module @ SoftUni (August 2017)

asp-net-mvc csharp express-js java javascript mongodb mysql node-js php razor spring-data-jpa spring-framework sql-server symfony thymeleaf twig

Last synced: 28 Oct 2025

https://github.com/shubh2-0/springboot_annotations

This repository, SpringBoot Annotations, is a concise showcase of essential Spring Boot annotations. Learn to configure REST endpoints, perform dependency injection, and use services and repositories effectively. Level up your Spring Boot skills with this handy reference.

annotations controller java restful-api spring spring-annotations spring-boot sts-code-platform

Last synced: 23 Apr 2025

https://github.com/funfix/tasks

Task datatype, meant for cross-language interop (Java, Kotlin, Scala)

java kotlin scala

Last synced: 14 Jan 2026

https://github.com/seahrh/liftoo

Object-oriented design of a lift system

command-pattern java

Last synced: 11 Apr 2025

https://github.com/apache/plc4x-extras

PLC4X The Industrial IoT adapter

c go java net python

Last synced: 09 Apr 2025

https://github.com/taki0112/word2vecjava

Word2Vec In Java (2013 google word2vec opensource)

java word2vec

Last synced: 09 Apr 2025

https://github.com/keyvanakbary/memo

A CQRS and Event Sourcing blogging playground to explore Axon Framework

axon-framework cqrs event-sourcing java

Last synced: 26 Apr 2025

https://github.com/galigator/mattermost-client

A simple java client for the api V4 of Mattermost compatible with Mattermost 4.5 The client aim at writing java Bot for Mattermost.

bot cxfrs-service java java-8 mattermost mattermost-api mattermost-bot websocket

Last synced: 16 Jun 2025

https://github.com/jdegand/testdome-java-questions

My solutions to Test Dome Public Java Questions

android java java-hibernate selenium spring testdome testdome-solutions

Last synced: 22 Feb 2026

https://github.com/ribasco/ucgdisplay

A character/graphics lcd library for single board computers (e.g. Raspberry Pi) written in Java. Provides drivers for graphics monochrome display devices (lcd, oled, e-ink etc) powered by U8g2

8-bit arm display e-ink embedded-systems glcd graphics hd44780 i2c iot java lcd library oled parallel raspberry-pi single-board-computers spi u8g2

Last synced: 14 Jan 2026

https://github.com/cybnity/foundation

Open source cyber-serenity platform that help the security teams designing and managing companies' ISMS, and which allow them to create resilient digital systems with efficient responses against to cyber-threats.

cyber-security cybersecurity governance isms iso27001 java nist platform software

Last synced: 09 Apr 2025

https://github.com/nikialeksey/nullfree

Nullfree will fail your build if your project has a null.

gradle-plugin java java8 null null-safety nullfree nullpointerexception oop

Last synced: 14 Apr 2025

https://github.com/majulvez/easyredsys

Librería que facilita la integración con la pasarela de pago Redsys para aplicaciones Java

banco compra java pagos

Last synced: 14 Jan 2026

https://github.com/180protocol/codaptor

Instantly add Corda to any tech stack and improve resiliency of your architecture

corda corda-node cordapps java middleware openapi3 serialization serialization-library swagger-ui

Last synced: 04 Jul 2025

https://github.com/hewlettpackard/logger

A log parsing engine written in Java for high performance. Additionally, logger is also highly configurable.

configurable engine java logparsing logs multithreading parsing

Last synced: 26 Apr 2025

https://github.com/fcannizzaro/fast-event

Simple event creation

android-library annotations events java

Last synced: 24 Apr 2025

https://github.com/viascom/hipchat-api

Java implementation for the HipChat V2 API.

atlassian hipchat hipchat-api java maven pom

Last synced: 14 Jan 2026

https://github.com/yildizmy/pet-clinic

Full stack web app with React and Spring Boot used for monitoring and managing vet and pet data

clinic docker flyway fullstack hibernate java javascript jpa maven pet postgresql react reactjs rest-api spring-boot spring-data-jpa spring-mvc spring-security swagger veterinary

Last synced: 13 Apr 2025

https://github.com/thiago-cardoso/olxapp

Development of clone OLX using Java Android

android java

Last synced: 24 Jun 2025

https://github.com/marwa-eltayeb/medicinesinventory_v2

Building out the app UI for users to add, update and remove inventory.

alertdialogbox android-application cursor java sqlite-database

Last synced: 13 Apr 2025

https://github.com/vi/android-udp-bus

Android tool to exchange UDP packets

android bridge bus hub java network port-forward rust udp

Last synced: 24 Jun 2025

https://github.com/samuel-oldra/scripts-java

⚪ Java

awt java

Last synced: 21 Mar 2025

https://github.com/jgperrin/net.jgp.books.spark.ch17

Spark in Action, 2nd edition - chapter 16 - exporting data, using delta lake

apache-spark delta-lake java java8 manning spark sparkwithjava

Last synced: 11 Jul 2025

https://github.com/wiringbits/fingerprint-reader-daemon

A daemon service allowing web apps to read fingerprints from biometric devices using the Neurotechnology SDK

fingerprint-scanner hacktoberfest java neurotechnology webapp

Last synced: 11 Jul 2025

https://github.com/sap-samples/security-research-taintgraphs

A tool to extract tainted code graphs from C/C++ and Java source code.

code extractor graphs java kotlin sample taintgraphs

Last synced: 13 Apr 2025

https://github.com/ketbome/hytalepanel

Docker image for Hytale dedicated server with web panel. Easy setup, auto-download, real-time console.

dedicated-server game-server gaming hypixel hytale hytale-server java minecraft server-management web-panel

Last synced: 30 Apr 2026

https://github.com/r2rml-api/r2rml-api

R2RML API

java r2rml

Last synced: 06 Oct 2025

https://github.com/jishanshaikh4/hadoop-programs

Hadoop Programs for Hadoop/CUDA Lab at MANIT, Bhopal

hadoop java programs

Last synced: 07 Oct 2025

https://github.com/jiro4989/tkoolfacetilemaker2

RPGツクールVXACE・MV・MZの画像差分ファイル作成用GUIソフト

custom-jre gradle java javafx jmods kotlin

Last synced: 13 Oct 2025

https://github.com/bolorundurowb/dotnetanpr

A number plate recognition library for .NET based off javaanpr

anpr automatic-number-plate-recognition c-sharp java library

Last synced: 11 Oct 2025

https://github.com/apache/groovy-examples

Apache Groovy Examples

groovy java library

Last synced: 10 Apr 2025

https://github.com/schwarzit/crystal-map

framework to generate map based entities classes / classes for named map interaction / parsing of complex classes to map structures

couchbase-lite entityframework java kotlin mapping wrapper-library

Last synced: 12 Mar 2026

https://github.com/rwth-acis/rest-ocd-services

This repository contains the OCD service of WebOCD. In the repository, java based codes of overlapping community detection algorithms (OCDA) can be found.

community-detection java las2peer ocda overlapping-community-detection rest-ocd-services webocd

Last synced: 16 Oct 2025

https://github.com/han-yaeger/yaeger

Yaeger is Another Education Game Engine Runtime

2d-game-engine clean-code engine framework game guice java java-14 javafx oop-principles

Last synced: 26 Oct 2025

https://github.com/vinhkhuc/lbfgs4j

Java version of liblbfgs: http://www.chokkan.org/software/liblbfgs/

java machine-learning optimization

Last synced: 29 Jan 2026

https://github.com/jerolba/bikey

Low memory footprint Map and Set implementation on objects with composited keys

bikey collections java map set table

Last synced: 12 Feb 2026

https://github.com/anatomiakodu/java-od-zera

Nauka języka Java od kompletnych podstaw! Nie musisz umieć niczego by zacząć. W tym projekcie wyłumaczę Ci dokładnie podstawową składnię Javy. Poruszymy takie tematy jak: kolekcje, warunki logiczne, operacje na tekście, wyjątki i wiele innych!

git intellij-idea java nauka podstawy podstawyprogramowania

Last synced: 23 Oct 2025

https://github.com/vashishthask/mocktail

Mocktail is a tool to cache the response of potentially any Java method call on the disk.

betamax database dependencies interfaces java mocking rest-api restful-api testing vcr

Last synced: 03 Apr 2026

https://github.com/manojkumarpatnaik/sr.softwareengineerinterviewprep

Java programming. All in one Java Resource for learning. Updated every day and up to date. All Algorithms and DS along with Development in Java. Beginner to Advanced.

faang-interview interview interview-preparation interview-questions java java-8 maang microservice rest rest-api spring spring-boot

Last synced: 26 Oct 2025

https://github.com/mablanco/docker-firefox-java-vnc

Docker image that runs an old Firefox web browser with an outdated Java plugin

docker firefox java

Last synced: 02 Jun 2026

https://github.com/ozkanpakdil/test-microservice-frameworks

testing spring-boot quarkus and micronaut for jar size and response time for a simple controller, rust and dotnet and golang

actix axum dotnet eclipse-microprofile graalvm helidon java micronaut native-apps quarkus rust vertx warp

Last synced: 01 May 2026

https://github.com/diemol/frontend_testing

Repository containing sample code used in a Frontend Testing workshop

fluentlenium frontend-testing-workshop frontend-tests java javascript selenium selenium-webdriver webdriverio zalenium

Last synced: 18 Mar 2025

https://github.com/casid/mazebert-simulation

Simulation core of the game Mazebert TD

deterministic java simulation tower-defense

Last synced: 18 Mar 2025

https://github.com/extrawest/bdd-charge-point-tester-via-ocpp-j-

OCPP Charge Point Tester on Cucumber is a software tool that is designed to simulate Central System in the Open Charge Point Protocol (OCPP) 1.6 specification using the Cucumber testing framework.

bdd cucumber cucumber-framework java ocpp ocpp-j ocpp-j-simulator ocpp16 ocpp16j spring-boot

Last synced: 08 Sep 2025

https://github.com/dropwizard/dropwizard-web

Provides support for configuring various http headers that are important for web services.

cors csp dropwizard hacktoberfest headers hsts java xss

Last synced: 04 Apr 2025

https://github.com/hardiksinghbehl/quartz-scheduler-daily-mail-subscription-spring-boot

Daily mail subscription implementation using Java Spring-boot and Quartz Scheduler

java java-mail mail-subscriber quartz-scheduler spring-boot

Last synced: 29 Oct 2025

https://github.com/robertdebock/ansible-role-java

Install and configure java on your system.

alternatives ansible java jdk jre molecule openjdk oracle playbook system tox

Last synced: 10 Apr 2025

https://github.com/idealista/java_role

Ansible role to install Java (OpenJDK, AdoptOpenJDK and Corretto)

adoptopenjdk ansible ansible-role corretto debian docker-java java java-ansible-role java-virtual-machine jvm openjdk ubuntu

Last synced: 10 Apr 2025

https://github.com/alexprut/algo

🍒 Classic Algorithms and Data Structures implemented in Java

algorithm algorithms data-structures java

Last synced: 30 Apr 2025

https://github.com/hrbrmstr/jericho

:notebook_with_decorative_cover: Extract plain or structured text from HTML content in R

java r r-cyber rstats

Last synced: 29 Oct 2025

https://github.com/ifplusor/actrie

Aho-Corasick automation for large-scale multi-pattern matching. Available for C/C++, Python, and Java on Linux, macOS, and Windows.

ac-automation aho-corasick-automation c java matcher python string-matcher string-matching string-search trie

Last synced: 21 Aug 2025

https://github.com/braisdom/templatedexcel

Defining Excel styles with HTML and CSS. It's a templated language, as same as HTML

css excel export html java template xml

Last synced: 01 Mar 2026

https://github.com/moosemorals/managesievej

Manage Sieve protocol client library (in Java)

java sieve

Last synced: 14 Apr 2025

https://github.com/actlist/actlist-plugin

:wrench: Actlist Plugin library to development and debugging.

desktop java javafx platform utility

Last synced: 10 Apr 2026

https://github.com/l3r8yj/elegram-api

It's a wrapper over the telegram bots api, but in the style of EO.

eolang java oop telegram-bot-api

Last synced: 26 Aug 2025

https://github.com/vladislavsevruk/graphqlrequestbodygenerator

This utility library helps to generate body for GraphQL request using POJO and annotations.

annotations generator graphql graphql-annotations graphql-client graphql-java java request-body

Last synced: 14 Apr 2025

https://github.com/henryhchchc/mokapot

A library for analyzing and manipulating JVM bytecode

ir java jvm rust ssa static-analysis

Last synced: 15 May 2025

https://github.com/sri-csl/bixie

Inconsistent code detection for Java.

inconsistency java program-analysis static-analysis static-analyzer

Last synced: 07 Apr 2025

https://github.com/javiorfo/nvim-fuel

Neovim plugin written in Lua for running a main or script in several languages

assembly cpp go haskell java kotlin lua main neovim neovim-plugin python rust scala scheme zig

Last synced: 05 May 2025

https://github.com/randgalt/expressive-java

Example of matching Scala's case class expressiveness in Java 8, Java 15 and Java 17

java java-15 java-17 java-8 java-records scala

Last synced: 22 Jun 2025

https://github.com/Deftu/Gradle-Toolkit

Suite of Gradle tools made to make Minecraft modding more painless.

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

Last synced: 21 Aug 2025

https://github.com/coordinates2country/coordinates2country

What country is at a particular latitude/longitude? This tiny Java library (less than 100kB) tells you in 50 milliseconds, without using the Internet.

android geocoder geocoder-library jar java library offline privacy reverse-geocoding

Last synced: 12 Jan 2026

https://github.com/cubbossa/menuframework

A library to simply create Scoreboards, GUIs with inventorys and Hotbars

anvil api bukkit gui hotbar inventory java menu minecraft paper scoreboard spigot trader villager

Last synced: 26 Aug 2025

https://github.com/suresh142/car_service_center

The main aim of developing this Car Service Center Management System is to provide efficient management service to the car companies, car servicing centers and customers looking for car servicing. This car management system is fully customized web application where customer can find car services nearby and company staff can view…

car-repair car-service car-service-center css hack html java javascript jquery js mysql mysql-database php scss scss-framework

Last synced: 15 Apr 2025

https://github.com/sekky61/riscv-sim

Web-based RISC-V superscalar simulator

java nextjs react riscv

Last synced: 15 Apr 2025

https://github.com/resend/resend-java-legacy

resend's java sdk

api email java sdk

Last synced: 13 Apr 2025

https://github.com/sunitroy2703/google-summer-of-code-2021-tensorflow

📌Final submission for Google Summer of Code at @Tensorflow ❤️

android bert google-summer-of-code gsoc ios java nlp swift tensorflow tensorflow-lite tflite

Last synced: 07 May 2025

https://github.com/stephenott/taxii-springboot-bpmn

SpringBoot implementation of TAXII server backed with BPMN configuration

bpmn camunda java springboot taxii taxii-server

Last synced: 17 Mar 2025

https://github.com/jgperrin/net.jgp.books.spark.ch13

Spark in Action, 2nd edition - chapter 13 - Transforming documents

apache-spark java java8 manning spark sparkwithjava

Last synced: 06 May 2025

https://github.com/dynatrace/jmx-extensions

Dynatrace Platform JMX plugins

chart java jmx metrics monitoring-plugin plugin

Last synced: 11 Apr 2025

https://github.com/innogames/flink-real-time-crm

Demo Flink and Kafka project to show how to react on tracking events in real-time and trigger offer for customer engagement based on campaign configurations. The project also utilizes the Broadcast State Pattern in order to update the rules (campaigns) at runtime without restarting the project, using a dedicated, low-frequency, Kafka topic.

apacheflink apachekafka flink flink-examples flink-stream-processing flink-streaming java kafka stream-processing

Last synced: 18 Jun 2025

https://github.com/ohjurot/scriptingguide

Guide to C++ Scripting in Java, C#, Lua, Python and Angelscript (YouTube Series)

angelscript cpp csharp java java-8 lua python script scripting tutorial youtube

Last synced: 18 Mar 2025

https://github.com/huangcongqing/algorithmsanddatastructure

JAVA 算法数据结构代码 演习实践

algorithms datastructure java

Last synced: 06 May 2025

https://github.com/darekkay/what-the-commit

What The Commit - Plugin for IntelliJ IDEA

intellij java

Last synced: 19 Mar 2025

https://github.com/pavelcz/virusdefense-libgdx-port

A simple tower defense game using libGDX. Website:

game java libgdx tower-defense

Last synced: 13 Apr 2025