Showing 142 open source projects for "android application development"

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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
    KOReader

    KOReader

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

    ...Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux. Runs on embedded devices (Cervantes, Kindle, Kobo, PocketBook, reMarkable), Android and Linux computers. Developers can run a KOReader emulator in Linux and MacOS. 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. ...
    Downloads: 88 This Week
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  • 3
    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: 24 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...
    Downloads: 1 This Week
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  • 5
    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
    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...
    Downloads: 0 This Week
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  • 7
    Uneebee

    Uneebee

    Platform for creating interactive courses

    Uneebee is an open-source Elixir/Phoenix application focused on community content and learning workflows, designed to be both a usable product and a practical reference for building modern web apps in the Elixir stack. Its structure showcases common concerns—authentication, profiles, content creation, feeds, tagging, and search—implemented with clean boundaries so features can evolve independently. Real-time updates and responsive interactions are handled using Phoenix’s live capabilities...
    Downloads: 0 This Week
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  • 8
    TKD Scoring Wi-Fi

    TKD Scoring Wi-Fi

    TKD Scoring Wi-Fi Server supporting Android and IPhone clients

    Scoring Wi-Fi PRO system was created by Taekwondo people like you and we use the scoring system in all our classes, just like you We created this app few years ago to provide an effective, professional low cost solution with the same benefits and feeling experience, or even providing a better experience than any existing wired professional tournament solution The success of the application in our Taekwondo sparring classes where our members described the application as “Holy crap this is incredible! This looks even more professional and easier to use than any of the programs I’ve ever seen used at comps.” and “Hey... just installed everything and it’s unreal! Everything works perfectly, looks great!” encouraged us to make it public for everybody Like any scoring system the “TKD Scoring Wi-Fi” system has few basic components: *TKD Scoring Wi-Fi Server(PC or Android) *TKD Scoring Wi-Fi Client(Android or IPhone) *TKD Scoring Wi-Fi Remote Score Display (Android)
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    Downloads: 111 This Week
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  • 9
    eduActiv8

    eduActiv8

    A collection of interactive educational exercises

    eduActiv8 is a free Open Source multi-platform educational application that aims to assist in learning various early education topics - from learning the alphabet and new words, colours, time to a wide range of maths-related subjects. eduActiv8 is a continuation of the development of the pySioGame project just under a new name. It is being developed on GitHub at: https://github.com/imiolek-ireneusz/eduActiv8 but 'compiled' releases are published here.
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    Downloads: 162 This Week
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  • 10
    Nootka

    Nootka

    application to learn classical score notation.

    Nootka helps understand the basics of music notation: reading and practicing playing musical scores. ​Long story short: the user plays notes (melody) displayed by the app, which then in real time checks if the notes was played correctly. The application is free and open source. It works under Windows, Linux, Mac and Android...
    Downloads: 37 This Week
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  • 11
    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. The...
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    Downloads: 167 This Week
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  • 12
    Spindle

    Spindle

    The language used in the AP CSP Exam, now a programming language!

    Spindle is a simple language designed to help AP CSP students ace their AP Exam. Spindle code largely mirrors the code found in the AP CSP Reference Sheet and allows students and teachers to get comfortable with code in the same format it'll have on exam day.
    Downloads: 0 This Week
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  • 13
    MuseScore

    MuseScore

    Free music notation & composition software

    MuseScore is a free and open-source music notation software designed for composers, arrangers, educators, and musicians of all levels. It allows users to write, edit, and print professional-quality sheet music with no limitations or subscription fees. MuseScore Studio supports a wide range of instruments and ensembles, from solo piano and guitar to full orchestras and choirs. The software is easy to learn while still offering powerful tools for advanced notation and score layout. With...
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    Downloads: 92 This Week
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  • 14
    Koha Library Management System

    Koha Library Management System

    Free & Open Community Edition Server in a Complete Virtual Machine

    This VM is created for 2 reasons: 1. Very little initial setup work required to make a Library Management System live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch the Video below ( taken from my other project. just replace td with koha wherever mentioned ) After starting this VM, please access these websites ( Just Accept Any Warnings ) : Public Website Address:...
    Downloads: 122 This Week
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  • 15
    SLiMS Library Management System

    SLiMS Library Management System

    Free & Open Community Edition Server in a Complete Virtual Machine

    This VM is created for 2 reasons: 1. Very little initial setup work required to make a Library Management System live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch the Video below ( taken from my other project. just replace td with lm wherever mentioned ) After starting this VM, please access these websites ( Just Accept Any Warnings ) : Public Website Address:...
    Downloads: 82 This Week
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  • 16
    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. Once the user is...
    Downloads: 0 This Week
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  • 17
    Advanced Trigonometry Calculator

    Advanced Trigonometry Calculator

    Precision Trigonometry: Advanced Calculator for Complex Math

    Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by...
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    Downloads: 17 This Week
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  • 18
    Quiz/Survey/Test - QST

    Quiz/Survey/Test - QST

    A Free, complete, open source universal assessment/exam platform

    QST, the worlds unparalleled open source, multi-tenant, online/lan assessment software. From a quick quiz on your phone to very large scale, high stakes, proctored desktop testing, we make it easy/secure/economical. Our intuitive design contains features (Immediate detailed results, Create/Export/Import/Convert Questions, WYSIWYG/Math-Chemistry/Basic Editors, Question/Item Bank, Multiple Question Types, Multiple Delivery Styles, Multiple Delivery/Results Options, Adaptive/Branching...
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    Downloads: 62 This Week
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  • 19
    Mastering Bitcoin

    Mastering Bitcoin

    Mastering Bitcoin 3rd Edition - Programming the Open Blockchain

    ...Written in a collaborative and continuously updated format using Markdown and AsciiDoc, the book serves as a comprehensive technical guide for developers, engineers, and system architects who want to understand how Bitcoin works. It covers the protocol, cryptography, peer-to-peer architecture, wallets, mining, and application development.
    Downloads: 6 This Week
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  • 20
    basic_numerical_methods

    basic_numerical_methods

    Didactic application to aid students in learning Numerical Methods;

    A practical tool (for students and engineers) to foresee the result of calculus exercises. Calculation and visualization numerical methods for nonlinear equation, ODE, integration, linear system, polynomial fitting,.....
    Downloads: 0 This Week
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  • 21

    lingvolearner-dicts-jeditor

    Dictionary editor for LingvoLearner android app

    Editor requires java 19 or above installed. Use this app for adding words with translations into database. You can use it in android application (not yet in Google Play). Then copy db file to your mobile. Download app from apks folder here and install it, open Setting in the app, then click upgrade database button.
    Downloads: 0 This Week
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  • 22
    JSmol

    JSmol

    JavaScript-Based Molecular Viewer From Jmol

    JSmol is the extension of the Java-based molecular visualization applet Jmol (jmol.sourceforge.net) as an HTML5 JavaScript-only web app. It can be used in conjunction with the Java applet to provide an alternative to Java when the platform does not support that (iPhone/iPad) or does not support applets (Android). Used in conjunction with the Jmol JavaScript Object (http://wiki.jmol.org/index.php/Jmol_Javascript_Object), JSmol seamlessly offers alternatives to Java on these non-Applet...
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    Downloads: 9 This Week
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  • 23
    Offline school software

    Offline school software

    Offline school software is specially develop for schools and colleges

    Offline school software is specially develop for schools and colleges to fulfill all the requirements of educational institution.
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    Downloads: 47 This Week
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  • 24

    Librum

    A modern ebook reader and library manager

    Librum is an application designed to make reading enjoyable and straightforward for everyone. It's not just an e-book reader. With Librum, you can manage your own online library and access it from any device anytime, anywhere. It has features like note-taking, bookmarking, and highlighting, while offering customization to make it as personal as you want! Librum also provides free access to over 70,000 books and personal reading statistics while being free and completely open source.
    Downloads: 2 This Week
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  • 25

    Flash Card Tutor

    Randomly display language quiz lines from a text file

    This Android application is intended to work like "flash cards" that have an quiz question on one side and the answer on the flip side. It has 2 displays boxes: An upper box in which a "quiz" line is displayed, and a lower box in which an Answer is displayed. In its simplest form, the user touches the upper box to see the next randomly chosen Quiz line.
    Downloads: 0 This Week
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