Showing 962 open source projects for "java web application"

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    Realtime Chat Application

    Realtime Chat Application

    Build and deploy a real time chat application

    This full-stack tutorial project shows how to build and deploy a real-time chat app using React on the client and Node/Express with Socket.io on the server. It covers the mechanics of establishing WebSocket connections, broadcasting and receiving messages, and maintaining active user rooms. The repository includes scripts and instructions to spin up both client and server quickly so you can experiment locally. It illustrates common patterns like event-driven messaging, joining/leaving rooms,...
    Downloads: 0 This Week
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  • 2
    simple-java-maven-app

    simple-java-maven-app

    For an introductory tutorial on how to use Jenkins

    simple-java-maven-app is a reference repository created for the Jenkins tutorial on building a Java application with Maven. It contains a minimal Java program that prints “Hello world!” and includes unit tests to validate functionality, with test results exported in JUnit XML format. The repository provides an example that demonstrates how to configure a Jenkins Pipeline for building and delivering applications.
    Downloads: 3 This Week
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  • 3
    Complete Intro to Web Dev v3

    Complete Intro to Web Dev v3

    The Complete Intro to Web Dev v3, as taught on Frontend Masters

    ...The material builds toward creating a complete web application rather than isolated syntax exercises. The repository also contains the Next.js-based course website, reusable lesson content, code examples, and supporting assets. Its code is licensed under Apache 2.0, while the instructional content uses a Creative Commons noncommercial license.
    Downloads: 0 This Week
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  • 4
    Flask Web App Tutorial

    Flask Web App Tutorial

    Code for the note storing flask web app made during a YouTube video

    Flask Web App Tutorial is a beginner-oriented example project that teaches how to build a small note-taking website with Python and Flask. Users can create accounts, sign in, and access notes associated with their own profile. Flask-Login provides session-based authentication and protected routes. SQLAlchemy maps user and note models to a local SQLite database.
    Downloads: 0 This Week
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    ERP Demo Application

    ERP Demo Application

    ERP Demo application

    An ERP application developed with JVx and other open source libraries.
    Downloads: 2 This Week
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  • 6
    Zotero

    Zotero

    Tool to help you collect, organize, annotate, cite, and share research

    Zotero is a powerful, free, open-source research management application designed to help students, academics, and professionals collect, organize, annotate, cite, and share research sources and materials for papers, projects, or books. It can save web pages, PDFs, books, articles, and more with metadata, automatically extract bibliographic information, and organize items into collections and tag systems, while supporting notes and annotations directly alongside references. ...
    Downloads: 14 This Week
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  • 7
    Source Code Hunter

    Source Code Hunter

    Source code analysis of Spring, MyBatis, Redis, Netty, and more

    Source Code Hunter is an open source project by Doocs that focuses on analyzing and explaining the source code of widely used Java frameworks and libraries. It helps developers deepen their understanding of internal implementations, design patterns, and performance optimizations by walking through actual codebases such as Spring, MyBatis, Netty, Tomcat, and others. The project aims to bridge the gap between theoretical knowledge and real-world application by providing step-by-step annotated explorations of core components in these frameworks. ...
    Downloads: 3 This Week
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  • 8
    Master Spring and Spring Boot

    Master Spring and Spring Boot

    Spring and Spring Boot Tutorial For Absolute Beginners

    Master Spring and Spring Boot is a comprehensive educational project that teaches how to build enterprise-grade Java applications using the Spring ecosystem. It guides learners through creating web applications, REST APIs, and full-stack systems using technologies like JPA, Hibernate, and React. The course emphasizes hands-on development, allowing users to build real applications step by step. It also covers essential topics such as security, testing, and deployment.
    Downloads: 2 This Week
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  • 9
    React Course

    React Course

    Large project-based repository covering React

    React Course v3 is a large project-based repository covering React from fundamentals through broader modern web development topics. Initial lessons explain components, JSX, props, state, events, rendering, hooks, and common React project structure. Learners then apply those concepts to complete projects such as the Backroads website and several smaller interactive applications. Advanced sections introduce Axios, React Query, external APIs, Contentful CMS, Redux Toolkit, and application state patterns. ...
    Downloads: 1 This Week
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  • 10
    Introduction to Zig

    Introduction to Zig

    An open, technical and introductory book for the Zig programming lang

    This is the official repository for the book "Introduction to Zig: a project-based Book", written by Pedro Duarte Faria. To know more about the book, check out the About this book section below. You can read the current version of the book in your web browser. The book is built using the publishing system Quarto in conjunction with a little bit of R code (zig_engine.R), which is responsible for calling the Zig compiler to compile and run the Zig code examples.
    Downloads: 5 This Week
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  • 11
    OSCE3 Complete Guide

    OSCE3 Complete Guide

    OSWE, OSEP, OSED, OSEE

    OSCE3 Complete Guide is a curated study repository for advanced Offensive Security certifications, including OSWE, OSEP, OSED, and OSEE. It organizes technical topics, learning resources, reviews, and practice material by certification track. The OSWE section focuses on web application security, source code analysis, injection flaws, deserialization, authentication weaknesses, and related vulnerabilities. OSEP material covers operating systems, evasion, lateral movement, credentials, Active Directory, and post-exploitation concepts. The repository also collects external references, labs, videos, write-ups, and exam experiences. ...
    Downloads: 3 This Week
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  • 12
    Archivematica

    Archivematica

    Free and open-source digital preservation system

    Archivematica is a web- and standards-based, open-source application which allows your institution to preserve long-term access to trustworthy, authentic, and reliable digital content. Our target users are archivists, librarians, and anyone working to preserve digital objects. You are free to copy, modify, and distribute Archivematica with attribution under the terms of the AGPLv3 license.
    Downloads: 2 This Week
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  • 13
    React in patterns

    React in patterns

    A free book that talks about design patterns/techniques

    React in patterns is a free book about common design patterns and techniques used in React development. It is written for developers who already understand React basics and want to think more clearly about application structure. The book explains concepts such as communication, event handlers, composition, controlled inputs, container components, one-way data flow, Flux, Redux, dependency injection, styling, and third-party integration. It includes source code examples that support the patterns described in the text. The repository also provides the book in multiple formats, including web, PDF, Mobi, and ePub. ...
    Downloads: 0 This Week
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  • 14
    Ontology Playground

    Ontology Playground

    Free, open-source web app for learning about ontologies

    Ontology Playground is a free web application for learning, exploring, designing, and sharing ontologies. Its interactive graph viewer renders entities and relationships as searchable node-and-edge diagrams with pan, zoom, and property inspection. A curated catalogue provides prebuilt examples from retail, e-commerce, healthcare, finance, manufacturing, education, and other domains.
    Downloads: 0 This Week
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  • 15
    Project Based Learning

    Project Based Learning

    Curated list of project-based tutorials

    project-based-learning is a community-curated open source repository that compiles programming tutorials focused on building real-world applications from scratch. It organizes resources by programming languages such as Python, Java, JavaScript, C++, Go, Rust, and many others. Each tutorial emphasizes practical, hands-on learning through project development rather than theoretical study. The collection spans various domains including web development, game programming, systems programming, and machine learning. By following the projects, learners can strengthen problem-solving skills, gain experience with different technologies, and build portfolios. ...
    Downloads: 3 This Week
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  • 16
    The Astrid Contributor Handbook

    The Astrid Contributor Handbook

    The polyrepo, the kernel-is-dumb law, the RFC trigger

    The Astrid Contributor Handbook is the contributor handbook for working on Astrid. It is not an application, but a documentation project that explains how contributors should understand the Astrid development model. The handbook covers the polyrepo structure, the kernel-is-dumb law, the RFC trigger, contribution tiers, and the release process. It is built with mdBook, which makes it suitable for local reading, web publication, and structured documentation workflows.
    Downloads: 0 This Week
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  • 17
    eXeLearning

    eXeLearning

    AGPL-licensed free tool to create and publish educational resources

    ...It supports exporting resources to multiple formats and integrating content with Moodle learning environments. The platform also offers real-time collaborative editing, multilingual support, and configurable authentication methods. Available through web deployments and offline desktop installers, eXeLearning helps teachers, instructional designers, and institutions develop reusable educational content.
    Downloads: 0 This Week
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  • 18
    Java Modelling Tools is a suite of scientific tools for performance analysis and modelling using queueing theory and colored stochastic Petri nets. Models are solved either with analytical, asymptotic or simulation methods; workload characterization tools are also included in the suite. See the project website for more details: http://jmt.sf.net
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    Downloads: 43 This Week
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  • 19
    OWASP Juice Shop

    OWASP Juice Shop

    Probably the most modern and sophisticated insecure web application

    OWASP Juice Shop is probably the most modern and sophisticated insecure web application! It can be used in security trainings, awareness demos, CTFs and as a guinea pig for security tools! Juice Shop encompasses vulnerabilities from the entire OWASP Top Ten along with many other security flaws found in real-world applications! Juice Shop is written in Node.js, Express and Angular. It was the first application written entirely in JavaScript listed in the OWASP VWA Directory. ...
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    Downloads: 255 This Week
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  • 20
    Jmol

    Jmol

    An interactive viewer for three-dimensional chemical structures.

    Over 1,000,000 page views per month. Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other quantum chemistry programs. ...
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    Downloads: 1,034 This Week
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  • 21
    JQM Java Quine McCluskey

    JQM Java Quine McCluskey

    JQM - Java Quine McCluskey for minimization of Boolean functions.

    Java Quine McCluskey (JQM) implements the Quine-McCluskey algorithm with Petrick’s Method for minimizing Boolean functions. Designed for both education and industrial application, it handles up to 16 variables and functions. Uniquely, JQM bridges the gap between theory and practice: it visualizes the solution process with generated Karnaugh Maps for students, while supporting PLC engineers by exporting results to Structured Text (ST) and Ladder Diagram (LD).
    Downloads: 1 This Week
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  • 22
    LWT ◆ Learning With Texts [Official]

    LWT ◆ Learning With Texts [Official]

    A feature-rich web application for language learning through reading

    ...To run LWT, you'll need: - a modern web browser, - a local web and database server with PHP - like XAMPP, MAMP, LAMP, - and the LWT application, which you can download here. This OFFICIAL VERSION is from the original author. It is stable and bug-free. Online Documentation: https://hapepo23.github.io/lwt/info.htm
    Downloads: 8 This Week
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  • 23
    Typing Guru

    Typing Guru

    SUPORTS: Hindi, English, Nepali, Tamil, Punjabi, Urdu,Bengali,Marathi.

    Web Version: https://typing-guru.com/ This software is developed on the view of beginners how they can increase typing speed. There is a step-by-step process to increase typing speed. This is available for Linux and windows both. Supports: Hindi Typing, English Typing, Nepali Typing, Tamil Typing, Punjabi Typing, Urdu Typing, Bengali Typing, Marathi Typing, Telugu Typing. More language will be added if you request in reviews. Tags: Typing Guru, typing tutor 6, Marathi...
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    Downloads: 174 This Week
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  • 24
    FLTR ◆ Foreign Language Text Reader

    FLTR ◆ Foreign Language Text Reader

    A practical desktop app for language learning through reading

    FLTR (Foreign Language Text Reader) helps you do both extensive and intensive reading as part of your foreign language acquisition in an easy and pleasant way. While reading, you look up unknown words in web dictionaries (online) or locally installed dictionary applications, save vocabulary terms with translations, and track your learning progress. Each term has a learning status (1/"Unknown" to 5/"Known", plus "Ignored" and "Well Known") with associated colors. Running the Application: You'll need an installed JRE (Java Runtime Engine) and the file "fltr.jar" which is in the download. ...
    Downloads: 5 This Week
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  • 25
    Advanced Trigonometry Calculator

    Advanced Trigonometry Calculator

    Open-source C/C++ math engine for advanced scientific computing

    ...The project also includes ATC Online Alpha, a WebAssembly-based version that brings parts of the ATC engine to the web. ATC is released under the GPLv3 license and is made in Portugal.
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    Downloads: 16 This Week
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