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/martinpaljak/capfile

Small library for JavaCard CAP file parsing and verification - MOVED to https://github.com/martinpaljak/ant-javacard

capfile java javacard

Last synced: 14 Jan 2026

https://github.com/iskonstantin/cryptoutils

Terminal program for simple seed generation, encryption, decryption, backup and more.

backup cli cryptocurrency java seed shamir-secret-sharing

Last synced: 05 Jul 2025

https://github.com/wglanzer/swingexplorer-idea

Integrates SwingExplorer into newer versions of IntelliJ IDEA

explorer idea intellij java plugin swing swingexplorer swingexplorer-plugin

Last synced: 13 Jun 2025

https://github.com/kakarottocui/secondschoolshop

基于java SSM框架的二手校园交易商城平台系统

java jquery ssm

Last synced: 09 Aug 2025

https://github.com/jackhawks/dev-tools

开发者工具箱,分享一些日常开发的工具脚本。

bigdata devops java

Last synced: 28 Apr 2025

https://github.com/jacksonhardaway/wardrobe

Wardrobe is a Hytale library that enables developers to create customizable cosmetics, such as hairstyles, accessories, clothing, and player models with asset packs.

hytale hytale-mod hytale-plugin java mod plugin

Last synced: 03 Apr 2026

https://github.com/chrimaeon/gradle-licenses-plugin

This Gradle plugin provides tasks to generate a HTML / XML / Json file with the licenses used from the libraries.

android gradle gradle-plugin gradle-task java kotlin license license-management

Last synced: 15 Feb 2026

https://github.com/ohle/swingspector

A plugin for Intellij IDEA that helps making and debugging Swing UIs

intellij java swing swing-gui

Last synced: 19 Apr 2026

https://github.com/jayantgoel001/hackerrank

Hacker Rank Solutions

c cpp hackerrank java javascript python

Last synced: 15 Mar 2026

https://github.com/404name/face-check-in-system

基于springboot + jpa + Erupt后台框架开发的综合签到打卡系统,支持人脸识别(百度云),指纹识别(本地指纹仪+websocket),签到数据展示,签到情况微信推送;支持docker-compose一键部署

erupt java

Last synced: 16 Oct 2025

https://github.com/tananaev/cell-tower-radar

Cell tower radar Android app

android java

Last synced: 18 Oct 2025

https://github.com/gofirst-robotics/ri3d-2023

Official code from the UMN Robotics Team for the 2023 Ri3D season!

frc java ri3d wpilib

Last synced: 24 Oct 2025

https://github.com/fmahadybd/core-java-one-file

This repo for Basic to Advanced Java Topic in one file. Every topic's code will be in here.

java

Last synced: 07 Oct 2025

https://github.com/fernanda-kipper/desafio-backend-uber

Solução do desafio de backend da Uber desenvolvido durante o vídeo https://youtu.be/eFgeO9M9lLw

aws-ses java java-spring microservice spring spring-boot

Last synced: 24 Oct 2025

https://github.com/frcteam1967/frcteam1967

FRC Team 1967 • The Janksters • Notre Dame High School

c-plus-plus first-robotics-competition frc-robot girlswhocode java robotics team-1967

Last synced: 24 Oct 2025

https://github.com/alimranahmed/ci-calculator

CI-Calculator, A scientific calculator, built using JAVA. Front-end has been designed by java swing API.

java scientific-calculator swing

Last synced: 05 Oct 2025

https://github.com/shalithasuranga/simpler

Very simple language implemented using antlr for beginners

anltr compiler-design java lexer parsing programming-language simple-lang

Last synced: 15 Oct 2025

https://github.com/benpollarduk/ktvn

A Kotlin library that provides a framework for writing visual novels for JVM. At its core Ktvn provides a flexible and extensible DSL for structuring and writing visual novels and interactive stories.

domain-specific-language dsl engine framework game game-engine interactive interactive-story java kotlin novel story visual visual-novel

Last synced: 15 Apr 2025

https://github.com/kerosene-labs/kindling

The fuel that'll ignite your application. A programmable TLS HTTP/1.1 server with no dependencies.

framework java lightweight ssl tls web-server

Last synced: 15 Apr 2025

https://github.com/renfei/discuz-ucenter-api-for-java

最完美的Discuz UCenter的JAVA API接口,简单易用,完全免费!

api bbs comsenz discuz java sso ucenter uhome

Last synced: 20 Aug 2025

https://github.com/botbahlul/android-autosrt-v2

ANDROID APP to AUTO GENERATE SUBTITLE FILE and TRANSLATED SUBTITLE FILE (using unofficial online Google Translate API) for any audio/video files using 2 ACTIVITIES

android caption chaquopy ffmpeg google-translate-api googletranslate java python speech-recognition speech-to-text speechrecognition subtitle voice-recognition voice-to-text voicerecognition

Last synced: 19 Aug 2025

https://github.com/foo4u/conventional-commits-for-java

Conventional commits plugins for Java build systems. Maven only for now.

conventional-commits java maven maven-plugin

Last synced: 24 Apr 2025

https://github.com/julianmendez/cel

A lightweight Description Logic reasoner for large-scale biomedical ontologies

automated-reasoning java lisp owl-api protege-plugin tu-dresden

Last synced: 09 Mar 2026

https://github.com/jean-merelis/coffeepot-br-sped-fiscal

br - Componente para escrita do SPED Fiscal

java sped sped-fiscal spedfiscal

Last synced: 20 Feb 2026

https://github.com/maulingmonkey/jerk

JERK: Java Embedding Rust Kit

java jvm metabuild rust

Last synced: 10 Apr 2025

https://github.com/io7m-com/jspatial

Spatial data structures

java oct-tree quad-tree spatial

Last synced: 21 Jun 2025

https://github.com/saberglow/codility_tasks

Codility Tasks & Solutions [100% Performance]

c codility codility-100 codility-solutions cpp java java-11

Last synced: 10 Apr 2025

https://github.com/amanmj/pc-remote-control

A telegram bot to remotely control anyone's PC remotely through your phone/PC.

hacktoberfest java telegram telegram-bot

Last synced: 13 Apr 2025

https://github.com/exasol/parquet-io-java

Java library to read Parquet files.

exasol exasol-integration foundation-library java parquet

Last synced: 10 Apr 2025

https://github.com/gradlex-org/java-module-testing

Gradle plugin to turn JVM Test Suites into Blackbox or Whitebox Test Suite for Java Modules

gradle-plugin java java-modules jpms testing

Last synced: 10 Apr 2025

https://github.com/eliasnogueira/health-check-api

An easy way to execute a health check against your API endpoint

api health-check java service test testing

Last synced: 28 Oct 2025

https://github.com/minhaskamal/alphabetrecognizer

Simple Optical Character Recognizer (english-ocr-image-to-text-recognition-sample-trainig-alphabet-photo-data-database-dataset)

alphabet-recognizer data database english image-processing java machine-learning ocr sample template-matching text-recognition training-data writing

Last synced: 11 Apr 2025

https://github.com/pacphi/reactive-jdbc-demo

This is a simple experiment to test Spring 5's Webflux Module's Functional Programming Model interaction with the Reactiverse reactive-pg-client.

docker java pcf postgres reactive spring-5 spring-boot spring-webflux

Last synced: 07 May 2025

https://github.com/ivangfr/https-springboot-react

The goal of this project is to play with HTTPS and enable it in Spring Boot applications. For it, we will implement a Spring Boot Rest API that will have its endpoints ready to accept and server over HTTPS. Furthermore, a Spring Boot Shell Java application and a Frontend React application will be implemented to consume movies-api.

h2 https java javascript keytool pkcs12 react semantic-ui-react spring-boot spring-data-jpa spring-shell spring-web-mvc springdoc-openapi

Last synced: 10 Apr 2025

https://github.com/aldekotan/opensm3d

Деобфускация и рефактор Stalker Mobile 3D

homebrew j2me java reverse-engineering stalker

Last synced: 11 Apr 2025

https://github.com/smartystreets/smartystreets-java-sdk

The official client libraries for accessing SmartyStreets APIs from Java (and JRE-based languages)

address-verification java jvm sdk smartystreets

Last synced: 07 Mar 2026

https://github.com/andreasabel/java-adt

A tool to create immutable algebraic data structures and visitors for Java (such as abstract syntax trees).

ast java

Last synced: 26 Oct 2025

https://github.com/nabihashujaat/wurst

Wurst features a wide range of fun and troll modules and has been available since 2014. It is open-source and supports versions 1.7.2 through 1.21+. wurst client 1.21

2b2t css curseforge deli dependency h3vr html java javascript minecraft minecraft-forge minecraft-mod mod modded-minecraft warcraft3 wurst wurst-client wurstlang wurstscript wurstscript-website

Last synced: 06 Mar 2026

https://github.com/mukeshmithrakumar/hackerranksolutions

My HackerRank Solutions for Python, Java, C, C++, Shell, SQL, JavaScript and Interview Preparation Kit

bash c cpp data-science hackerrank hackerrank-solutions interview-preparation interview-questions java javascript linux-shell machine-learning python python3 shell software sql

Last synced: 09 Jul 2025

https://github.com/ivangfr/spring-boot-grpc-client-server

The goal of this project is to implement two Spring Boot applications using gRPC: the server, called movie-grpc-server, and the shell client, named movie-grpc-client. The library movie-grpc-lib defines the gRPC interface that both the server and client applications use.

client-server grpc java postgresql protocol-buffers sprind-data-jpa spring-boot spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/melin/flink-jobserver

REST job server for Apache Flink

flink hadoop hive java kerberos kubernetes yarn

Last synced: 04 Apr 2025

https://github.com/goldmansachs/mrword2vec

A MapReduce / Hadoop implementation of Word2Vec

java mapreduce word2vec

Last synced: 11 Apr 2025

https://github.com/isboyjc/interview

八股是一份开放的面试题库,我们的愿景是覆盖 90%+ IT 知识点问答,节省面试者和面试官的时间!同时也是一份结构化的知识图谱,源于学习,而不是刷题!

browser css css3 html html5 interview java javascript network qa reactjs vuejs

Last synced: 05 Apr 2025

https://github.com/alien-tools/maracas

Maracas is a source code and bytecode analysis framework⁠—written in Java with the help of Spoon—which analyzes how Java libraries evolve and how their evolution impacts their clients.

api breaking-changes java

Last synced: 05 Apr 2026

https://github.com/fooock/robots.txt

:robot: robots.txt as a service. Crawls robots.txt files, downloads and parses them to check rules through an API

antlr4 api crawler crawler-engine docker docker-compose gradle java kotlin makefile postgresql redis redis-stream redis-streams robots-parser robots-txt spiders spring-boot

Last synced: 14 Feb 2026

https://github.com/vincentkims49/mobile-nutrition-app

Mobile Nutrition is an applicatiion that aims at keeping track of nutrients that the user consumes. It does so by allowing the user to select meals for the day and then gives the amount of nutrients present in the selecte meals. It also provide recipes for the selecte meals to the user.

cpp dart flutter java objective-c

Last synced: 28 Feb 2026

https://github.com/jffiorillo/jvmbuilder

A source code generator for Kotlin data classes to automatically create a Builder class.

annotation-processor java kapt kotlin kotlin-android kotlin-library

Last synced: 11 Jan 2026

https://github.com/stasgora/mesh-editor

Desktop application that turns raster images into low poly vector art

editor image java low-poly mesh svg triangles

Last synced: 13 Apr 2025

https://github.com/microcks/microcks-quarkus

Quarkus extension that enables embedding Microcks as a DevService managing mocks for dependencies and contract-testing your API endpoints

api contract-testing devservices java microcks microservices mocking quarkus

Last synced: 13 May 2025

https://github.com/vatsalkesarwani12/vendorrelief

🚑Android App for people of India during this Pandemic of Covid-19. During COVID-19, people living in societies and apartments may not be aware of the nearby shops and vendors whether they are providing essential services or not (such as Groceries, Pharmacy, Dairy, etc) and if they may be providing the people may not know the details of the vendors(like timings, contact number, and address of the shop). People may be facing some doubts about COVID-19. After knowing about these problems faced by some of the people, we have done our best to help them out.

android java kotlin kotlin-mvvm vendor-relief

Last synced: 23 Mar 2025

https://github.com/selimhorri/api-mobile-client-consumer-android

Consume an api from project-tracking-system hosted in Cloud

android api-call java volley

Last synced: 12 Apr 2025

https://github.com/eschizoid/telescope

Optics-based DSL for Java records and POJOs. One type for deep navigation, immutable update, bidirectional mapping, and effects across records + plain POJOs + Lombok. Optional compile-time codegen.

annotation-processor codegen deep-copy dsl functional-programming immutable java lens lombok optics records

Last synced: 26 Jun 2026

https://github.com/nuhu-ibrahim/time-table-scheduling

A time table scheduling system using genetic algorithm

genetic-algorithm java javase table-scheduling timetable-generator

Last synced: 10 Apr 2025

https://github.com/igr/swingspy

Swing introspector, shows a hierarchy of dialog's elements under the cursor.

java swing swing-gui utility

Last synced: 11 Apr 2025

https://github.com/idugalic/serverless-company

Serverless. FaaS. Spring Boot. Spring Cloud Function

aws-lambda faas java openwhisk serverless spring

Last synced: 30 Jul 2025

https://github.com/monogramm/spring-rest-api-starter

:coffee: A "simple" starter project custom RESTful API using Spring.

java spring spring-boot spring-data spring-security starter-kit

Last synced: 13 Jul 2025

https://github.com/cutr-at-usf/hart-gtfs-realtimegenerator

Desktop application that retrieves AVL data from Hillsborough Area Regional Transit (HART)'s AVL system and produces Trip Updates and Vehicle Positions files in GTFS-realtime format.

avl gps gtfs gtfs-realtime-data hart java protocol-buffers public-transportation transit

Last synced: 21 Sep 2025

https://github.com/marklogic/ml-app-deployer

Java client for the MarkLogic REST Management API

java java-library marklogic resttemplate

Last synced: 28 Jul 2025

https://github.com/nayuki/dwite-programming-contest-solutions

Java solution programs, problem statements, and test input/output files.

competitive-programming java solutions

Last synced: 17 Sep 2025

https://github.com/eclipse-archived/edje

Edje project (ARCHIVED)

eclipseiot embedded internet-of-things java

Last synced: 25 Apr 2025

https://github.com/yegor256/together

Executes Java lambda in multiple threads and collects their results (useful for testing for thread-safety)

concurrency java java-8 java-li testing thread-safety threads

Last synced: 07 Jan 2026

https://github.com/utmhikari/mahjong-helper

日麻助手V0.50——百科、教程阅读、牌效分析、天凤观战与对战

guide java mahjong riichi

Last synced: 28 Feb 2025

https://github.com/quantum4j/quantum4j

Quantum4J brings quantum programming to Java with a full Quantum Software Engineering stack — circuits, simulators, compiler passes, QASM support, and enterprise-grade extensibility.

java java-library jdk openqasm openqasm-lang qasm qiskit quantum quantum-algorithms quantum-computing quantum-microservice quantum-sdk quantum-simulator quantum4j qubits spin-qubits statevector transpiler

Last synced: 12 Jun 2026

https://github.com/alfresco/alfresco-java-sdk

Alfresco Out-Of-Process SDK for Java Developers

alfresco events java out-of-process rest-client sdk

Last synced: 05 Jul 2025

https://github.com/irof/jig-erd

ざっくりなER図を出力する設計補助道具

erdiagram h2database java postgresql

Last synced: 28 Apr 2025

https://github.com/cavallium/midi23d

Midi23D is a tool made in Java that converts every note of a .midi music into GCODE instructions to send directly to a 3D printer.

3d-printing java midi midi-parser

Last synced: 22 Feb 2026

https://github.com/sbgn/libsbgn

Libraries for the Systems Biology Graphical Notation (SBGN); Java and C++

ant java maven sbgn

Last synced: 14 Jan 2026

https://github.com/g4s8/tuples

Object-oriented Java tuples

java library pairs tuples utils

Last synced: 09 Apr 2025

https://github.com/skjolber/aotc-gradle-plugin

Ahead-of-Time Compilation in Gradle projects.

aot-compilation gradle-plugin java

Last synced: 22 Apr 2025

https://github.com/birbe/jvm

Pure-Rust toy implementation of the 20th JVM spec

compiler java jvm openjdk20 rust wasm

Last synced: 12 Apr 2025

https://github.com/azure/modern-web-app-pattern-java

The Modern Web App Pattern is a set of objectives to help you apply an iterative change to modernize a cloud deployed monolith. This content builds on the Reliable Web App. This repo contains a reference implementation of a Modern Web App for Java.

architecture azd-templates azure azure-app-configuration azure-app-service azure-application-insights azure-cache-redis azure-container-apps azure-container-registry azure-front-door azure-keyvault azure-postgres azure-service-bus java microsoft reference-implementation terraform

Last synced: 28 Oct 2025

https://github.com/craumix/jmb-container

A containerized version of https://github.com/jagrosh/MusicBot

container discord discord-bot docker docker-compose java jmb-container music-bot

Last synced: 16 Jan 2026

https://github.com/gematik/ref-gemlibpki

Products specified by gematik which have to deal with PKI will have to handle certificates, ocsp requests/responses and TSLs (TrustedServiceProvider Status List). This library may help to understand the intention of gematik specification and could be useful for software implementations.

cryptography gematik gemspec idm java other pki pki-library reference-implementation

Last synced: 19 Apr 2025