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/ministero-salute/it-dgc-verifier-service

The EU Digital COVID Certificate Verifier Service is part of the national backends and caches the public keys that are distributed through the DGCG. It is accessed by the Verifier Apps to update the key store periodically.

backend-service covid-19 digital-covid-certificate java

Last synced: 30 Jan 2026

https://gitlab.com/visnow.org/VisNow

Generic visualization framework

3D java java3d scivis visnow visualization

Last synced: 17 Jan 2026

https://github.com/apposed/appose

Interprocess environment manager 🧊

conda deep-learning interprocess java maven pypi python shared-memory shm

Last synced: 28 Jan 2026

https://github.com/selimhorri/end-studies-project-mobile

Android app, End studies' project

android android-studio gradle java

Last synced: 15 Mar 2026

https://github.com/Simsilica/IsoSurface

Infinite terrain library based on IsoSurface generation.

isosurface java jme3 jmonkeyengine jmonkeyengine3 terrain-library

Last synced: 19 Mar 2026

https://github.com/mmtk/mmtk-jikesrvm

JikesRVM binding for MMTk

java jikesrvm mmtk vm

Last synced: 10 Feb 2026

https://github.com/dietechniker/3rdparty-privacy-proxy

Deliveres functionality to securely fetch and provide 3rd Party resources as well as proxying requests back to the 3rd Party Provider. This is the base library you use as a dependency within your own Privacy Proxy project. See the docs and the examples project to implement your own.

3rdparty-governance data-protection gdpr java library maven-dependency privacy proxy reverse-proxy spring-boot

Last synced: 12 Oct 2025

https://github.com/kh-bd/interp4j

String interpolation library for Java

java library

Last synced: 10 Apr 2025

https://github.com/kavithma-thushal/bashicomputershop-layered

Computershop using java 11, javafx & maven in Layered-Architecture (Layered Coursework)

facade-pattern java javafx layered-architecture mysql strategy-pattern

Last synced: 12 Oct 2025

https://github.com/ardetrick/ory-hydra-refrence-java

An example/reference implementation of Ory Hydra in Java with SpringBoot. Shows the basicis of OAuth2 integraiton with OIDC. Includes a full suite of integration tests using Testcontainers.

gradle java oauth2 oauth2-authorization oauth2-provider oauth2-server oidc ory-hydra playwright playwright-java spring-boot springboot testcontainers

Last synced: 01 Mar 2026

https://github.com/aof-dev/openjdk-jdk8u-aarch32-android

openjdk aarch32 android port

aarch32 arm java jvm openjdk openjdk8

Last synced: 07 Oct 2025

https://github.com/fadouse/jvmbenchmark

JVMBenchmark evaluates the performance impact of code obfuscation on Java applications using JVM 17 and JDK 17. It helps developers balance security with potential performance trade-offs.

benchmark java jvm performace-testing

Last synced: 23 Apr 2025

https://github.com/mgarcia01752/q-number-format

Q is a fixed point number format where the number of fractional bits is specified

java qnumber-format

Last synced: 28 Oct 2025

https://github.com/reprezen/genflow

A unified framework for API code generators that work with OpenAPI, RAPID-ML and other description languages.

api api-client apidoc apidoc-generator apidocs code codegen documentation generation java openapi openapi-codegen openapi-documentation openapi-generator rapid-ml rest swagger swagger-codegen xtend

Last synced: 19 Jul 2025

https://github.com/sombriks/exercicio-spring-angular

pequena prova de conceito de um frontend angular consumindo um backend java

angular angular-material java liquibase mysql spring-boot

Last synced: 05 Mar 2026

https://github.com/rajspeaks/code-pyramid

Code-Pyramid consists of Competitive & Beginner level codes, written in different programming languages like C, C++, Java, Python.

c codewars coding-challenge data-structures dsa dsa-algorithm dsa-practice hacktoberfest java python rajdeep-das rajspeaks

Last synced: 07 May 2025

https://github.com/samouraidev/bech32

bech32 address format for Segwit

bech32 bip173 bitcoin java segwit

Last synced: 28 Oct 2025

https://github.com/jshiftio/buildah-java

A Java wrapper over the buildah cli (https://github.com/containers/buildah).

buildah gradle java maven

Last synced: 07 May 2025

https://github.com/scify/icsee

ICSee runs on small portable devices (smartphones, tablets) and makes reading and object identification easier. Simply, conveniently and always available!

android assistive assistive-technology hacktoberfest java opencv special-needs video video-processing visual-impairments

Last synced: 06 Sep 2025

https://github.com/matteo4diani/java-retrieval-augmented-generation

Retrieval Augmented Generation, Function Calling and Code Generation on GitHub Projects with Java

code-generation function-calling java langchain4j llm ollama openai-api rag retrieval-augmented-generation spring

Last synced: 07 Oct 2025

https://github.com/sivaprasadreddy/modern-spring-boot

Modern Spring Boot features demo

java spring-boot testcontainers

Last synced: 28 Oct 2025

https://github.com/deep110/lucid-engine

A basic physics3D engine for learning purposes.

game-development game-engine-2d java physics-engine

Last synced: 11 Apr 2025

https://github.com/falsepattern/gasstation

Mixin 0.8 library for 1.7.10 that works in place of other loaders too.

java library minecraft minecraft-forge minecraft-forge-mod minecraft-mod mixin mixins mod spongepowered-mixin

Last synced: 18 Mar 2025

https://github.com/OpenIPC/LoTool

Internal chip information extractor from HiSilicon HiTool

java openipc tools

Last synced: 03 Apr 2025

https://github.com/bulletsentence/doom-fire-java

Fire from DOOM now made with JAVA11 and JAVAFX

java java11 javafx

Last synced: 10 Apr 2025

https://github.com/team846/funkylogclient

846's custom logging platform

frc frc-logging java logging logs robotics

Last synced: 08 Sep 2025

https://github.com/bytedeco/javacpp-embedded-python

With this library, you can embed Python to your Java or Scala project. The main purpose of this library is to use Python libraries from Java or Scala.

java python scala

Last synced: 13 Apr 2025

https://github.com/pprattis/address-book-contact-management

A Java console application that manages an address book where the contacts are saved within an archive.

bufferedreader computer-science console-application java program project student

Last synced: 12 Apr 2025

https://github.com/keremtan/java-spring

This repository has basic information about Spring Framework and a sample application made with Spring Boot.

back-end dependency-injection docker-compose h2-database java postgresql-database rest-api spring spring-boot spring-framework

Last synced: 13 Apr 2025

https://github.com/powersystem2024/dynamic-devs

Repositorio del grupo "DynamicDevs⚡", estudiantes de la Tecnicatura Universitaria en Programación UTN

backend frontend java javascript programming python vuejs web website

Last synced: 11 Apr 2025

https://github.com/pasan-pahasara/spring-framework

This Project is introduced to learning Spring MVC and Spring Boot.

ajax bootstrap5 hibernate html-css-javascript java lombok maven spring-boot spring-mvc

Last synced: 11 Apr 2025

https://github.com/cworld1/notie

Android note App complies with Material You specifications, developed using Java.

android java notes notes-app

Last synced: 15 Jul 2025

https://github.com/pavankjadda/eshopping

eShopping application implemented with Spring Boot, Spring Security, Spring Data and Spring Session

hazelcast hibernate java mysql spring-boot spring-cache spring-data-jpa spring-security spring-session

Last synced: 26 Aug 2025

https://github.com/raofin/bearburger-swing

A maven project with a pretty great UI, developed using Java Spring and Swing frameworks, JDBC template, and other technologies.

academic-project flatlaf food-management food-ordering java java-spring java-swing maven

Last synced: 27 Aug 2025

https://github.com/dvoraka/av-service

Network file service with replication and anti-virus checking

amqp anti-virus database file-services java jms kafka replication rest solr spring spring-boot storage

Last synced: 16 Jan 2026

https://github.com/nihatquliyev/renta-car-system

Simple crud rent a car management system

java java-se jdbc jdbc-connector postgresql

Last synced: 30 Jul 2025

https://github.com/priyansh17/dear-diary

The App aims at helping people to fight from depression and communicate with them at a 1-1 basis alongside giving them suggestions based on their choices which will be taken from the user in various formats such as MCQ for a one time basis and Diary entries of user on a daily basis. The app aims to help mainly people who are introvert and don't share their emotions easily with others who are depressed. we aim to ulift their emotions and make world a better place for them.

android depression diary-entries emotions hacktoberfest hacktoberfest-2021 hacktoberfest-accepted hacktoberfest-starter hacktoberfest2021 java kotlin-android python3 recommendation-system recommender-engine sentiment-analysis sentiments

Last synced: 29 Oct 2025

https://github.com/kakarottocui/ssm-jiaowusys

基于JAVA的SSM框架的教务管理系统

java mysql ssm

Last synced: 28 Jul 2025

https://github.com/raymondxu/java-workshop

Intermediate Java workshop on variables, abstraction, and design patterns ☕

design-patterns java workshop

Last synced: 15 Aug 2025

https://github.com/dncomponents/dncomponents

Java UI web framework

gwt java javascript typescript

Last synced: 23 Sep 2025

https://github.com/chen0040/java-genetic-programming

Genetic-programming framework for various genetic programming paradigms such as linear genetic programming, tree genetic programming, gene expression programming, etc

classification-algorithm evolutionary-algorithms evolutionary-computation gene-expression genetic-programming java linear-genetic-programming machine-learning optimization optimization-algorithms symbolic-regression tree-gp

Last synced: 10 Sep 2025

https://github.com/cicirello/interactivebinpacking

Self-guided tutorial on combinatorial optimization, the bin packing problem, and constructive heuristics, suitable for use as course assignments, or by self-directed learners.

bin-packing combinatorial-optimization constructive-heuristics courseware discrete-optimization java self-directed-learning self-guided-tutorial tutorial

Last synced: 07 May 2025

https://github.com/liyupi/yu-ai-code-mother

编程导航 2025 年 AI + 微服务全栈新项目,基于 Spring Boot 3 + LangChain4j 构建对标大厂的 AI 应用生成平台,支持多种模式的智能代码生成、可视化编辑预览、一键部署分享、应用管理、AI 智能路由等。覆盖 AI 智能体开发、LangGraph4j 工作流、Tool Calling、SSE、Vue 3 全栈开发、Spring Cloud 微服务架构、MySQL / Redis / COS / Caffeine 存储、Nginx、多种设计模式、ARMS + Prometheus + Grafana 监控、Cursor Vibe Coding 等核心技术。 用一套教程掌握大厂级 AI 智能体开发+前后端核心技术,成为 AI 时代企业的香饽饽,给你的简历增加竞争力

ai backend deepseek frontend java langchain4j langgraph4j mysql nginx project redis springboot springcloud vue

Last synced: 31 Jul 2025

https://github.com/panga/lite-beans

LiteBeans is implementation of the java.beans package based on the Apache Harmony project

java jdk9 jigsaw jpms

Last synced: 21 Sep 2025

https://github.com/gouravkhunger/accolib

Amazing and easy to use Accordion Library for Android built with kotlin

android android-library android-ui hacktoberfest java kotlin

Last synced: 08 Mar 2026

https://github.com/apache/servicemix-components

Mirror of Apache ServiceMix components

java network-client network-server osgi scala servicemix xml

Last synced: 09 Apr 2025

https://github.com/siddhesh2377/androidbox

It is an IDE Based On Node An Code Editor

andorid android-application editor ide java node node-editor

Last synced: 02 Apr 2025

https://github.com/rockset/rockset-java-client

Official Java client library and JDBC driver for Rockset

client java realtime-database rockset

Last synced: 14 Jan 2026

https://github.com/unruly/control

A collection of functional control-flow primitives and utilities.

functional-programming java railway-oriented-programming

Last synced: 14 Jan 2026

https://github.com/shrhdk/theta4j

PTP/IP implementation for RICOH THETA written in Java.

java ptp ptp-ip ricoh-theta

Last synced: 19 Feb 2026

https://github.com/mhyrzt/dlib-android-face-landmark

face landmark detection for Android devices with c++, dlib, java, OpenCV

android cmake dlib face-detection java opencv

Last synced: 09 Apr 2025

https://github.com/lidulibai/coc-java-vimspector

An extension for coc.nvim to enable Java debugging via jdt.ls

coc-java debug java jdt lsp nvim vim vimspector

Last synced: 12 Jul 2025

https://github.com/grame-cncm/elody

Elody: a music composition environment based on a visual functional language.

java lambda-calculus music-composition

Last synced: 25 Apr 2025

https://github.com/mehdihadeli/spring-food-delivery-microservices

☕A practical and imaginary food delivery microservices, built with java spring, domain-driven design, cqrs, vertical slice architecture, event-driven architecture, and the latest technologies.

cloud-native distributed-systems event-driven event-driven-architecture java microservices outbox-pattern rabbitmq spring spring-boot vertical-slice-architecture

Last synced: 24 Apr 2025

https://github.com/renilgarala/dsa-java

DSA Notes and Practice Questions With Solution in Java

data-structures dsa dsa-learning-series java

Last synced: 23 Apr 2025

https://github.com/fieldju/jvm-lambda-template

A template project for quickly getting started writing a Scala, Groovy, or Java Serverless Application with SAM / Cloud Formation

aws aws-lambda cloudformation gradle gradle-aws-sam-deployer-plugin groovy java lambda scala serverless serverless-application-model serverless-applications

Last synced: 09 Apr 2025

https://github.com/soneso/stellar-java-mnemonic

A Java library that can be used to create mnemonics for the Stellar Network (e.g. for your Android app)

android blockchain cryptocurrency java key-derivation mnemonic mnemonics stellar stellar-network

Last synced: 27 Apr 2025

https://github.com/rajmalpankaj786/readytoride_busreservationsystem

The Full Stack Bus Reservation System optimizes bus ticket booking with a user-friendly interface. It enables users to browse, select routes, and reserve seats seamlessly. Utilizing modern front-end technologies and robust server-side capabilities, the project exemplifies full-stack proficiency.

css3 hibernate-jpa html5 java javascript mysql spring-boot swagger-ui

Last synced: 09 Apr 2025

https://github.com/sondosaabed/optimal-coins-game-strategy

a java project that uses dynamic programming to implemnt the Optimal coins collecting game strategy

dynamic-programming java javafx optimal-game-strategy

Last synced: 22 Apr 2025

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

Java Proxy library. Method parameters. Method references.

aop java proxy

Last synced: 27 Apr 2025

https://github.com/ghurtchu/fluentry

:policeman::oncoming_police_car: Manage unchecked exceptions functionally.

abstraction composition declarative-programming functional-programming java monad reflection stack-safe

Last synced: 28 Apr 2025

https://github.com/aymane-maghouti/big-data-project

This project aims to predict smartphone prices using a combination of batch and stream processing techniques in a Big Data environment. The architecture follows the Lambda Architecture pattern, providing both real-time and batch processing capabilities to users.

apache-airflow apache-kafka apache-spark batch-processing big-data-projects hbase hdfs ingestion java lambda-architecture machine-learning postgresql-database powerbi pyspark python spring-boot streaming

Last synced: 29 Oct 2025

https://github.com/ashish2030/upgrad-assignment

ᴛʜɪꜱ ɪꜱ ᴍʏ ꜱᴍᴀʟʟ ᴊᴀᴠᴀ ɢʀᴀᴅᴇᴅ ᴀꜱꜱɪɢɴᴍᴇɴᴛ ɢɪᴠᴇɴ ʙʏ ᴜᴘɢʀᴀᴅ

bfs-algorithm dfs-algorithm dijkstra-algorithm graph java shortest-path-algorithm upgrad

Last synced: 20 Jun 2025

https://github.com/minatisleeping/movieist

REST API powered by Spring Boot

java mongodb spring-boot

Last synced: 20 Jun 2025

https://github.com/smallnest/rpcx-agent

Agent to invoke rpcx services in C++, Java, Python, C#, Ruby, etc. for rpcx 2.x

cross-platform golang java rpc rpcx

Last synced: 04 Apr 2026

https://github.com/mikesafonov/spring-boot-starter-prometheus-alerts

Spring Boot Starter for handling alerts from Prometheus Alertmanager

java prometheus prometheus-alertmanager spring-boot

Last synced: 15 Jun 2025

https://github.com/kavithma-thushal/orm_gdse66

This is learning about ORM - Hibernate in GDSE66

java javafx mysql orm-framework

Last synced: 11 Jul 2025

https://github.com/hms-core/hms-5g-modem-demo

HUAWEI 5G Modem Kit sample code covers the android API of 5G Modem SDK. Guided by this demo, you can lerarn how to utilize the crowdtesting function of 5G Modem Kit to query modem parameters.

5g hms huawei java modem

Last synced: 18 Jul 2025

https://github.com/keremtan/carfactory

This is a fictional system software which runs on console. This system is designed to understand the uses of Template Method and Iterator Design Patterns.

design-patterns designpatterns iterator-pattern java maven patterns template-method-pattern template-pattern

Last synced: 13 Apr 2025

https://github.com/labrijisaad/car_renting_application_with_spring-boot

The car rental management system can be used by companies that manage a car rental project, note that this project only runs on a local machine, but can be modified to run on multiple machines simultaneously for more high efficiency and to serve the whole company.

css3 html5 java jpa-hibernate mysql-database springboot

Last synced: 30 Oct 2025

https://github.com/exadel-inc/etoolbox-query-kit

Provides the UI and API for easily creating and transforming data queries in languages such as XPath, JCR-SQL2, etc. for the AEM ecosystem

aem aem64 aem65 exadel-martech jackrabbit java jcr jcr-sql2 lucene query xpath

Last synced: 15 Apr 2025

https://github.com/apache/brooklyn-docs

Mirror of Apache Brooklyn docs

brooklyn cloud java

Last synced: 13 Apr 2025

https://github.com/loweredgames/voidblock

The original Skyblock has been modernized and updated to the latest versions of Minecraft...

java maps minecraft skyblock

Last synced: 02 Apr 2026

https://github.com/zoff99/toloshare_material

ToLoShare is a cross-platform desktop application for secure peer-to-peer real-time location sharing

compose-desktop java jetbrains-compose kotlin location-sharing openstreetmap osm toxcore

Last synced: 26 Apr 2026

https://github.com/ianramzy/ticker-iq

📈 Stock screener and portfolio analyzer, providing key insights on financial reports, news articles and more!

java javafx scraping stock stock-portfolio

Last synced: 03 Mar 2026