Showing 250 open source projects for "app development"

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  • 1
    android-startup

    android-startup

    Performant way to initialize components at the application startup

    The Android Startup library provides a straightforward, performant way to initialize components at the application startup. Both library developers and app developers can use Android Startup to streamline startup sequences and explicitly set the order of initialization.
    Downloads: 1 This Week
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  • 2
    vue2-happyfri

    vue2-happyfri

    Learning-oriented app that recreates a mobile food-ordering experience

    vue2-happyfri is a learning-oriented Vue 2 application that recreates a mobile food-ordering experience to demonstrate how to structure a real-world single-page app. It shows how to compose UI from reusable components, wire up routing between views, and manage shared state for carts, users, and menus. The project emphasizes responsive, touch-friendly interactions and small polish details—like transitions, toasts, and loading states—that make the app feel production-ready. It includes...
    Downloads: 1 This Week
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  • 3
    Einsen

    Einsen

    Einsen is a prioritization app that uses Eisenhower matrix technique

    Einsen is a prioritization app that uses Eisenhower matrix technique as a workflow to prioritize a list of tasks & built to Demonstrate the use of Jetpack Compose with Modern Android Architecture Components & MVVM Architecture.
    Downloads: 0 This Week
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  • 4
    react-pxq

    react-pxq

    Implement modern front-end architecture with idiomatic React patterns

    react-pxq is a React-based single-page application that demonstrates how to implement modern front-end architecture with idiomatic React patterns. It shows how to break a product into cohesive components, manage global and local state, and coordinate data-fetching with UI updates. Routing is used to separate feature areas, while shared UI primitives keep styling and behavior consistent across screens. The code emphasizes ES6+ conventions, async flows, and clean separation of concerns to keep...
    Downloads: 0 This Week
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  • 5

    EventBus

    The no.1 event library for Android

    EventBus is an open-source library for Android and Java that uses the publisher/subscriber pattern for loose coupling, enabling central communication to decoupled classes with just a few lines of code. It simplifies communication between Activities, Threads, Services and other components while also simplifying code, eliminating dependencies, and overall improving app development speed and quality. EventBus offers several advanced features, such as jump start, delivery threads, subscriber priorities, and many others. It is specifically optimized for high performance and is small at just ~60k jar. It's been proven by numerous apps with more than a billion total installs.
    Downloads: 0 This Week
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  • 6
    GetWidget

    GetWidget

    Most popular and easy to use open source UI library

    GetWidget is an open‑source Flutter UI toolkit offering over 1000 ready‑to‑use widgets for mobile and web apps. Maintained by IonicFirebaseApp, it's designed to accelerate UI development, reduce boilerplate, and improve app aesthetics. The library is MIT‑licensed, community‑driven, and features components ranging from buttons and alerts to carousels and loaders.
    Downloads: 2 This Week
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  • 7
    CameraVoyeur

    CameraVoyeur

    Windows-oriented utility to log frames from a connected camera devices

    CameraVoyeur is a small Windows-oriented utility that demonstrates how to capture, preview, and possibly log frames from a connected camera device in a lightweight way. It’s set up more like an experiment or proof-of-concept than a polished end-user app, focusing on the plumbing for grabbing images from the webcam. The project shows how to access the camera stream, keep it running, and expose the captured output for later use or display. Because it’s in a regular GitHub repo and not a closed...
    Downloads: 2 This Week
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  • 8
    Splitties

    Splitties

    A collection of hand-crafted extensions for your Kotlin projects

    Splitties is a collection of small Kotlin multiplatform libraries (with Android as first target). These libraries are intended to reduce the amount of code you have to write, freeing code reading and writing time, so you can focus more on what you want to build for your users (even if you're the only one), or have more time to have fun. This project is named "Splitties" because it is split in small modules, distributed as independent libraries, so you can add only the ones you need to your...
    Downloads: 0 This Week
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  • 9
    DisneyMotions

    DisneyMotions

    Disney app using transformation motions based on MVVM

    A Disney app using transformation motions based on MVVM (ViewModel, Coroutines, Flow, Room, Repository, Koin) architecture.
    Downloads: 2 This Week
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  • 10
    VTAcknowledgementsViewController

    VTAcknowledgementsViewController

    Acknowledgements screen displaying a list of licenses

    VTAcknowledgementsViewController is an open-source iOS view controller that displays acknowledgments for third-party libraries used in an app. It provides a standardized way to present license information to users, often required for open-source compliance.
    Downloads: 0 This Week
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  • 11
    Component Jetpack Kotlin MVVM

    Component Jetpack Kotlin MVVM

    Componentized Jetpack Kotlin MVVM project practice

    Componentized Jetpack Kotlin MVVM project practice, involving Jetpack-related components, Kotlin-related technologies, coroutine Retrofit, Paging3 Room, etc. When running the main App, the sub-module belongs to the library, and when running independently, the sub-module belongs to the application. Then we only need to add a flag in gradle.properties in the root directory to distinguish the status of the module, such as singleModule = false. This flag can be used to indicate whether the...
    Downloads: 0 This Week
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  • 12
    WBBlades

    WBBlades

    WBBlades is a tool set based on Mach-O file parsing

    WBBlades is a toolset based on Mach-O file parsing, including one-click detection for the app (supports OC and Swift), package size analysis (supports a single static library/dynamic library), point-to-point crash analysis (analyze system crash log, based on symbol file and without symbol files), Class automatic extraction and Hook capability based on Mach-O file. It mainly uses __Text assembly code analysis, architecture extraction, DYSM file stripping, symbol table stripping, and crash...
    Downloads: 0 This Week
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  • 13
    Ooui Web Framework

    Ooui Web Framework

    UI library that brings the simplicity of native UI development to web

    Ooui (pronounced weee!) is a small cross-platform UI library for .NET that uses web technologies. It presents a classic object-oriented UI API that controls a dumb browser. With Ooui, you get the full power of your favorite .NET programming language plus the ability to interact with your app using any device. Make sure to add a reference to Ooui before you start running! With just code, a web server that serves the HTML and web socket logic necessary for an interactive button will start....
    Downloads: 0 This Week
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  • 14
    FluentDarkModeKit

    FluentDarkModeKit

    A library for backporting Dark Mode in iOS

    FluentDarkModeKit was designed and developed before Apple‘s official dark mode release. It provides a mechanism to support dark mode for apps on iOS 11+ (including iOS 13). To use FluentDarkModeKit, provide a pair of colors or images instead of a single value. Simply replace existing colors/images with a pair of light and dark colors/images.
    Downloads: 0 This Week
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  • 15
    Louvre

    Louvre

    A small customizable library useful to handle an image gallery

    A small customizable image picker. Useful to handle a gallery image pick action built-in your app.
    Downloads: 2 This Week
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  • 16
    Shortbread

    Shortbread

    Android library that creates app shortcuts from annotations

    Android library that generates app shortcuts for activities and methods annotated with @Shortcut. No need to touch the manifest, create XML files or use the shortcut manager. Just annotate the code that you want the shortcut to call.
    Downloads: 1 This Week
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  • 17
    Flutter Widgets

    Flutter Widgets

    Source code for various Flutter widgets that are developed by Google

    flutter.widgets (often referred to as the “Flutter Widgets” extras) is a grab bag of production-hardened widgets, utilities, and patterns that complement Flutter’s core framework. It showcases best practices for adaptive layouts, scrolling behavior, input handling, and platform nuances that occur in real apps—not just demos. Many components are small, focused building blocks you can compose, which keeps your widget tree readable while solving thorny UI edge cases. The package is also a...
    Downloads: 0 This Week
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  • 18
    TableView for Android

    TableView for Android

    Powerful Android library for displaying complex data structures

    TableView is a powerful Android library for displaying complex data structures and rendering tabular data composed of rows, columns and cells. TableView relies on a separate model object to hold and represent the data it displays. This repository also contains a sample app that is designed to show you how to create your own TableView in your application.
    Downloads: 3 This Week
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  • 19
    WTF Dial

    WTF Dial

    WTF Dial is an example web application written in Go

    WTF Dial is an example Go web application built around a real-time team sentiment dashboard. The app lets team members report how bad or chaotic things currently feel on a shared percentage dial. Beyond the playful concept, the repository is mainly intended as a learning resource for building full Go applications. It demonstrates clean application structure, domain-focused types, multiple storage implementations, HTTP packages, command packages, and documented design decisions. The code is...
    Downloads: 1 This Week
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  • 20
    peertalk

    peertalk

    iOS and Mac Cocoa library for communicating over USB

    peertalk is a small Cocoa library for iOS and macOS that enables apps to communicate over USB (and also supports TCP), with an emphasis on simplicity and low-latency connections. The project is aimed at scenarios where you want a reliable, direct link between a Mac app and an iOS app without relying on Wi-Fi discovery, manual hostnames, or network exposure. A key motivation is that a USB link is inherently constrained to the devices at each end of the cable, which can make the communication...
    Downloads: 0 This Week
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  • 21
    Omelette

    Omelette

    Omelette is a simple, template based autocompletion tool for Node

    Omelette is a minimalist tool for adding shell autocompletion to Node.js and Deno command-line apps. Using a tagged-template DSL, it supports Bash, Zsh, and Fish. Developers define CLI structures, bind events to completion nodes, and call .init() to register completion scripts. It’s used by projects like Office 365 CLI and App Center, and is MIT‑licensed.
    Downloads: 1 This Week
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  • 22
    Complete-React-Tutorial

    Complete-React-Tutorial

    All course files for the Complete React Tutorial

    Complete-React-Tutorial is a repository of course files for The Net Ninja’s Complete React Tutorial on YouTube. It is organized around lesson branches, so learners can select the branch that matches the video they are following. This makes it easier to compare starting code, lesson progress, and final examples without manually recreating every file. The project is not a standalone React framework or library, but a companion codebase for learning React step by step. It is useful for beginners...
    Downloads: 3 This Week
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  • 23
    lottery

    lottery

    Annual Meeting Lottery Procedure

    lottery is a browser-based lottery drawing program designed for company annual meetings and event prize draws. It gives organizers a visual way to select winners from a participant pool. The workflow lets users choose a draw size, start the lottery animation, and stop it to generate the final results. It supports draw sizes such as 30, 10, 5, 2, or 1 winner at a time. After a participant wins, the app marks that person so they are not selected again in later rounds. It also includes an...
    Downloads: 0 This Week
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  • 24
    OHHTTPStubs

    OHHTTPStubs

    Stub your network requests easily!

    OHHTTPStubs is a library designed to stub your network requests very easily. It can help you test your apps with fake network data (stubbed from file) and simulate slow networks, to check your application behavior in bad network conditions, and write unit tests that use fake network data from your fixtures. OHHTTPStubs headers are fully documented using Appledoc-like / Headerdoc-like comments in the header files. Instead of writing the content of the stubs you want to use manually, you can...
    Downloads: 0 This Week
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  • 25
    BulletinBoard

    BulletinBoard

    General-purpose contextual cards for iOS

    BulletinBoard is an iOS library that generates and manages contextual cards displayed at the bottom of the screen. It is especially well suited for quick user interactions such as onboarding screens or configuration. It has an interface similar to the cards displayed by iOS for AirPods, Apple TV/HomePod configuration and NFC tag scanning. It supports both the iPhone, iPhone X and the iPad. It has built-in support for accessibility features such as VoiceOver and Switch Control.
    Downloads: 1 This Week
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