Showing 985 open source projects for "application"

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  • 1
    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
    Application Blocker

    Application Blocker

    Easy to Use Application Restrictor Tool For Windows

    Application Blocker Application Blocker is an easy to use software restriction tool for Windows. It can block access to selected programs. It is very effective and easy to use. You can select any program file and add it to the list. The lock is reliable and very hard to break for normal users. The tool does not work at background when using standard block.
    Downloads: 37 This Week
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  • 3
    KOReader

    KOReader

    An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.

    ...Multi-lingual user interface with a highly customizable reader view and many typesetting options. You can set arbitrary page margins, override line spacing and choose external fonts and styles. It has multi-lingual hyphenation dictionaries bundled into the application. Custom UI without animation, with paginated menus, adjustable text contrast, and easy zoom to fit content or page in paged media. Look up words with StarDict dictionaries / Wikipedia, add your own online OPDS catalogs and RSS feeds, share ebooks with other KOReader devices wirelessly.
    Downloads: 211 This Week
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  • 4
    Kubernetes Handbook

    Kubernetes Handbook

    Cloud native application architecture practice handbook

    Cloud native is a behavioral method and design concept. In its essence, all behaviors or methods that can improve resource utilization and application delivery efficiency on the cloud are cloud-native. The history of cloud computing is a history of cloud native. Kubernetes opened the prelude to cloud native 1.0. The emergence of service mesh Istio led to microservices in the post-Kubernetes era. The rise of serverless has enabled cloud native to advance from the infrastructure layer to the application architecture layer. ...
    Downloads: 3 This Week
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  • 5
    Anki

    Anki

    Anki is a smart spaced repetition flashcard program

    Anki is a free, open-source spaced repetition flashcard application designed for efficient long‑term memorization. It supports a wide variety of media types (text, images, audio, LaTeX), advanced scheduling algorithms (SM‑2, FSRS), and extensibility via add‑ons. It’s widely used for education, language learning, medical training, and more.
    Downloads: 40 This Week
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  • 6
    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. Archivematica is an open-source application based on recognized standards that makes it possible to preserve long-term access to your institution's digital content. ...
    Downloads: 15 This Week
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  • 7
    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: 14 This Week
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  • 8
    AndBible

    AndBible

    AndBible: Bible Study

    AndBible: Bible Study" is a powerful, yet easy to use, offline Bible study application for Android. The app does not aim to be simply a Bible reader, but focuses on being an advanced tool to do in-depth personal Bible study. This application is developed by Bible readers, for Bible readers. It aims at helping you make your Bible study convenient, deep and fun. The best part about this non-profit community project is that it is open-source, completely free, and contains no advertisements. ...
    Downloads: 4 This Week
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  • 9
    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. It also includes scripts that define commands executed in pipeline stages, showcasing automation in continuous integration and delivery (CI/CD). ...
    Downloads: 2 This Week
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  • 10
    Quran for Android

    Quran for Android

    A Quran reading application for Android

    Quran for Android is a simple, open source Quran application for Android devices. It is based on Madani and features Madani images, Qaloon images and Naskh images all used with permission. It also has translations, Tafsir and Arabic data from tanzil and King Saud University. This project offers plenty of great features, with many more under development. Current features include translations in many different languages (Arabic Tafseer, English Sahih International Translation, French, German, Indonesian, Malay, Spanish, among others), bookmarking and tagging, audio recitation and more.
    Downloads: 2 This Week
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  • 11
    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: 8 This Week
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  • 12
    Source Code Hunter

    Source Code Hunter

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

    ...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. It’s a valuable resource for Java developers preparing for interviews, system design discussions, or those looking to strengthen their ability to read and learn from production-level code.
    Downloads: 5 This Week
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  • 13
    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: 7 This Week
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  • 14
    ERP Demo Application

    ERP Demo Application

    ERP Demo application

    An ERP application developed with JVx and other open source libraries.
    Downloads: 10 This Week
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  • 15
    OWASP Mobile Security Testing Guide

    OWASP Mobile Security Testing Guide

    Manual for mobile app security development and testing

    We are writing a security standard for mobile apps and a comprehensive testing guide that covers the processes, techniques, and tools used during a mobile app security test, as well as an exhaustive set of test cases that enables testers to deliver consistent and complete results. The MSTG is a comprehensive manual for mobile app security testing and reverse engineering for iOS and Android mobile security testers. The OWASP Mobile Application Security Verification Standard (MASVS) is, as the name implies, a standard for mobile app security. It can be used by mobile software architects and developers seeking to develop secure mobile applications, as well as security testers to ensure completeness and consistency of test results. A checklist is available for use in security assessments that is based on the MASVS and MSTG and contains links to the MSTG test case for each requirement.
    Downloads: 4 This Week
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  • 16
    Computational Thinking

    Computational Thinking

    Introduction to computational thinking with Julia

    ...It emphasizes learning how to translate problems into computational terms and developing algorithms and models to analyze them effectively. Using Julia, the course highlights both mathematical reasoning and practical coding, bridging the gap between theory and application. The materials include lectures, notebooks, exercises, and projects that encourage experimentation and discovery. By combining programming with conceptual depth, the repository aims to build skills that are transferable across disciplines and essential for modern scientific inquiry.
    Downloads: 1 This Week
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  • 17
    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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  • 18
    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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  • 19
    go-ast-book

    go-ast-book

    Go Language Customization Guide

    ...The repository includes chapter files, appendices, images, configuration, and build tooling for publishing the book online. It is aimed at Go developers who want to go beyond normal application programming and understand how Go code can be inspected, transformed, generated, and extended.
    Downloads: 0 This Week
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  • 20
    Software Design in Haskell

    Software Design in Haskell

    Software Design in Haskell

    ...It presents patterns for separating pure domain logic from side effects, organizing code into layers and components that can be tested in isolation. Readers encounter multiple styles—MTL/typeclass constraints, tagless-final encodings, free and freer monads, ReaderT-style application environments—and learn when to apply each. The examples emphasize explicit boundaries for infrastructure concerns such as persistence, logging, configuration, and external services to keep business logic clean. Throughout, the code illustrates dependency inversion in Haskell, showing how to swap implementations without pervasive rewrites. ...
    Downloads: 0 This Week
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  • 21
    JSCamp InfoJobs

    JSCamp InfoJobs

    Content and exercises fromJSCamp InfoJobs

    ...It is organized into numbered modules like 00-html-css, 01-javascript, 02-react, 03-router-and-zustand, 04-node, 05-typescript, 06-inteligencia-artificial, 07-sql, 08-ci-cd, and 09-docker, mirroring the curriculum of the bootcamp.The README explains that students will build a complete project step by step throughout the bootcamp, applying each module’s lessons to a single real-world application, which is ideal for portfolio building. The repo also links to jscamp.dev, where the videos and course materials are hosted, and explains that access is free, with an optional paid certificate that includes extra support like CV review, exercise feedback, and exclusive workshops. Detailed installation requirements are listed (modern browser, VS Code, Live Preview extension, Node.js 20+, Git, Docker, etc.
    Downloads: 0 This Week
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  • 22
    OWASP Juice Shop

    OWASP Juice Shop

    Probably the most modern and sophisticated insecure web application

    ...The application contains a vast number of hacking challenges of varying difficulty where the user is supposed to exploit the underlying vulnerabilities. The hacking progress is tracked on a score board. Finding this score board is actually one of the (easy) challenges! Apart from the hacker and awareness training use case, pentesting proxies or security scanners can use Juice Shop as a "guinea pig"-application to check how well their tools cope with JavaScript-heavy application frontends and REST APIs.
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    Downloads: 179 This Week
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  • 23
    PCuaderno, teacher grade book.

    PCuaderno, teacher grade book.

    Teacher grade book. Aplication teacher support tool

    Useful application easy to handle for the management of information on the process of teaching and learning that takes place in a class. The idea is that the teacher comes to class or anywhere else, insert a USB (Universal Serial Bus) in the personal computer and run the application. When the application is launched the first thing we ask is a key that will be used to authenticate the user and to hide the information stored in database files using a cryptographic method. ...
    Downloads: 48 This Week
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  • 24
    Programming Without Coding Technology

    Programming Without Coding Technology

    Create software using visual programming

    PWCT is not a Wizard for creating your application in 1 2 3 steps. PWCT is a general-purpose visual programming language designed for novice and expert programmers. A novice programmer can use PWCT to learn programming concepts like Data Structures, Control Structures and Programming Paradigms. An expert programmer can use PWCT to create any large and complex software.
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    Downloads: 571 This Week
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  • 25
    GoldenDict
    A feature-rich dictionary lookup program, supporting multiple dictionaries' formats, perfect article rendering with the complete markup, illustrations and other content retained, and allowing to type in words without any accents or correct case.
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    Downloads: 1,064 This Week
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