Showing 1184 open source projects for "study app source code"

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  • 1
    Code App

    Code App

    Building a full-fledged code editor for iPad

    Bringing desktop-like editing experience to iPad, available on App Store and TestFlight. Use VS Code as a design template while providing key functionalities with Monaco-editor and native code. We built it because there is nothing else on the App Store that provides all these features in one app. A robust, high-performance text editor (Monaco Editor from Visual Studio Code) First class local file system support. Embedded emulated terminal. Local backend development environment (Node and PHP)...
    Downloads: 17 This Week
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  • 2
    App Manager

    App Manager

    A full-featured package manager and viewer for Android

    App Manager is a powerful, open-source package manager and application viewer for Android devices. It provides deep visibility into installed apps, including components, permissions, app operations, signatures, and usage data. Designed with a Material 3 interface, it presents extensive technical details in a clean and accessible way.
    Downloads: 113 This Week
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  • 3
    Open QR Code

    Open QR Code

    Open QR Code is an open-source, cross-platform app

    Open QR Code is an open-source cross-platform application developed using Flutter as main framework used to build the application, in common C, C++, Dart, Skia (a 2D rendering engine), and Impeller (the default rendering engine on iOS), Java, Kotlin. Open QR Code allows users to generate and scan QR codes effortlessly. The app is available on Android, Windows, and the Web.
    Downloads: 17 This Week
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  • 4
    Firebase Apple Open Source Development

    Firebase Apple Open Source Development

    Firebase SDK for Apple App Development

    This repository contains all Apple platform Firebase SDK source except FirebaseAnalytics. Firebase is an app development platform with tools to help you build, grow and monetize your app. More information about Firebase can be found on the official Firebase website. See the subsections below for details about the different installation methods. Where available, it's recommended to install any libraries with a Swift suffix to get the best experience when writing your app in Swift....
    Downloads: 3 This Week
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  • 5
    uni-app

    uni-app

    A cross-platform framework using Vue.js

    uni-app is a cross-platform framework that lets developers build applications with Vue syntax and deploy them to multiple targets: iOS, Android, web (H5), and a range of mini-program ecosystems. It abstracts platform differences through a unified component and API layer, so most business logic and UI code can be shared across outputs. The tooling includes a CLI, IDE support, and a plugin market that provides native integrations, UI kits, and deployment helpers. Developers can choose between...
    Downloads: 2 This Week
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  • 6
    App Compose

    App Compose

    Create scalable, module-based applications with ease

    Create scalable, module-based applications with ease. Modern applications thrive on modular architecture, adapting seamlessly to evolving business needs. To achieve true modularity, though, you need more than just independent components—you need an efficient way to bring them together. This means controlling how modules load, in what order, and with which dependencies. It gets even trickier when you want to turn off parts of the system without any traces in the code, like if/else statements,...
    Downloads: 0 This Week
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  • 7
    Proton VPN Windows App

    Proton VPN Windows App

    Official ProtonVPN Windows app

    The ProtonVPN Windows app project hosts the official open-source client software that lets users securely connect their Windows machines to the ProtonVPN service with full system-wide VPN protection. It includes a modern GUI built with .NET and WPF that lets users authenticate, choose VPN servers, and configure features like split tunneling or kill switch, while a background Windows service manages VPN connections using the OpenVPN protocol and handles networking tasks such as firewall and...
    Downloads: 342 This Week
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  • 8
    Standard Notes App

    Standard Notes App

    Think fearlessly with end-to-end encrypted notes and files

    Standard Notes is a free, secure note-taking app with powerful end-to-end encryption, unparalleled privacy features, and seamless cross-platform syncing on unlimited devices. Standard Notes is a secure digital notes app that protects your notes and files with audited, industry-leading end-to-end encryption. Only you have access to the keys required to decrypt your data. Write and store all your notes and files in one secure place and seamlessly access them across all your devices....
    Downloads: 8 This Week
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  • 9
    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.
    Downloads: 2 This Week
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  • 10
    Nextcloud News App

    Nextcloud News App

    RSS/Atom feed reader

    The News app is an RSS/Atom feed aggregator. It offers a RESTful API for app developers. The source code is available on GitHub.
    Downloads: 0 This Week
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  • 11
    Lumo Android App

    Lumo Android App

    Android application for Proton Lumo

    Lumo Android App is the official Android client implementation of Lumo, a privacy-first AI assistant created by Proton that lets users interact with an intelligent chatbot securely and confidentially on mobile devices. Lumo is designed so that every conversation remains encrypted and private, meaning chats are not logged, tracked, or used to train external large language models, and all interactions are protected with zero-access encryption so only the user can read them. The Android app...
    Downloads: 2 This Week
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  • 12
    Changelog.com

    Changelog.com

    Changelog makes world-class developer pods

    ...It emphasizes maintainability and transparency, with clear code structure, tests, and CI/CD workflows. Because the repository is open, developers can study its architecture to learn how Phoenix is used in practice for a high-traffic, media-centric website. It also showcases integration with external services for things like audio hosting, search, and analytics, making it an instructive case study for full-stack Elixir development.
    Downloads: 0 This Week
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  • 13
    Wikipedia Android app

    Wikipedia Android app

    The Wikipedia app for Android

    This repository contains the source code for the Wikipedia Android app. Wikipedia is the free encyclopedia that everyone can edit. Articles are freely licensed and the app is 100% open source. The lifeblood of Wikipedia is its community of volunteers who work to give you unlimited access to free, reliable, and neutral information. Wikipedia is a place to learn where there is no advertising.
    Downloads: 0 This Week
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  • 14
    Lumo iPhone App

    Lumo iPhone App

    iOS application for Lumo

    Lumo iPhone App is the native iPhone and iPad client for Lumo, Proton’s privacy-centric AI assistant that allows users to ask questions, get summaries, generate content, and leverage AI help while keeping all conversations confidential and encrypted. Built with SwiftUI, the iOS app wraps a secure web-powered interface and communicates with the Lumo service in a way that ensures zero-access encryption, meaning even Proton cannot read or log user chats—only the device holder can decrypt them....
    Downloads: 0 This Week
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  • 15
    TrollStore

    TrollStore

    Permanent sideloading utility for iOS apps without jailbreak

    TrollStore is a powerful iOS utility that allows users to permanently sideload and install unsigned apps on supported iOS versions without needing a jailbreak. Exploiting specific system vulnerabilities, it bypasses code signing restrictions and offers an alternative to TestFlight or AltStore. TrollStore is aimed at developers, power users, and enthusiasts who want more freedom over their iOS devices.
    Downloads: 517 This Week
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  • 16
    APK Studio

    APK Studio

    Open-source, cross platform Qt based IDE for reverse-engineering

    Open-source, cross-platform Qt based IDE for reverse-engineering Android application packages. It features a friendly IDE-like layout including code editor with syntax highlighting support for *.smali code files. If you are just willing to quickly decompile an Android app, you can make use of DeAPK - Online APK Decompiler which lets you decompile an Android app using apktool and jadx.
    Downloads: 49 This Week
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  • 17
    Termux application

    Termux application

    Terminal emulator application for Android OS extendible

    Termux is an Android terminal application and Linux environment. At first start a small base system is downloaded, desired packages can then be installed using the apt package manager known from the Debian and Ubuntu Linux distributions. Access the built-in help by long-pressing anywhere on the terminal and selecting the Help menu option to learn more. Allows the app to view information about network connections such as which networks exist and are connected. Allows the app to create network...
    Downloads: 251 This Week
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  • 18
    TikTok-ViewBot

    TikTok-ViewBot

    ViewBot using requests updated 2025

    TikTok-ViewBot explores automated interactions with TikTok’s viewing mechanisms for research and educational purposes. The code demonstrates how scripted traffic might be generated and measured, highlighting the kinds of heuristics a platform could use to validate or discount views. It is often used to study rate limits, signature schemes, request patterns, and the fragility of naïve automation. Because it touches on automation against a third-party service, responsible use and adherence to...
    Downloads: 19 This Week
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  • 19
    SonarQube

    SonarQube

    Continuous inspection

    SonarQube empowers all developers to write cleaner and safer code. Thousands of automated Static Code Analysis rules, protecting your app on multiple fronts, and guiding your team. Catch tricky bugs to prevent undefined behavior from impacting end-users. Fix vulnerabilities that compromise your app, and learn AppSec along the way with Security Hotspots. Make sure your codebase is clean and maintainable, to increase developer velocity! We embrace progress - whether it's multi-language...
    Downloads: 33 This Week
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  • 20
    LeetCode Book

    LeetCode Book

    Comprehensive study guide for coding interviews

    LeetCode-Book is a comprehensive study guide for coding interviews that consolidates algorithm patterns, data-structure templates, and worked LeetCode solutions. It organizes problems by topic—arrays, linked lists, stacks/queues, trees/graphs, dynamic programming, greedy, backtracking, and math—so you can study systematically. Explanations are concise but intentional, highlighting why a pattern fits, how to reason about boundary cases, and the time/space trade-offs. Many entries include...
    Downloads: 1 This Week
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  • 21
    Flutter Catalog

    Flutter Catalog

    An app showcasing Flutter components, with side-by-side source code

    An opensource app showcasing Flutter components, with side-by-side source code view. lutter Catalog is now available in the browser!
    Downloads: 0 This Week
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  • 22
    Magic Framework

    Magic Framework

    Generate a CRUD app wrapping your database in seconds

    Magic is a no-code/low-code CRUD generator that allows you to generate CRUD apps 100% automatically. In addition, it is a complete open-source cloud platform and IDE, allowing you to create your own virtualized cloud on top of your own server, and/or other cloud systems, editing your code from your phone if required. Magic is professionally maintained by Aista.
    Downloads: 6 This Week
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  • 23
    LocalSend

    LocalSend

    An open-source cross-platform alternative to AirDrop

    LocalSend is a free, open-source app that allows you to securely share files and messages with nearby devices over your local network without needing an internet connection. LocalSend is a cross-platform app that enables secure communication between devices using a REST API and HTTPS encryption. Unlike other messaging apps that rely on external servers, LocalSend doesn't require an internet connection or third-party servers, making it a fast and reliable solution for local communication.
    Downloads: 297 This Week
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  • 24
    Universal Windows Platform app samples

    Universal Windows Platform app samples

    API samples for the Universal Windows Platform.

    This repo contains the samples that demonstrate the API usage patterns for the Universal Windows Platform (UWP) in the Windows Software Development Kit (SDK) for Windows 10. These code samples were created with the Universal Windows Platform templates available in Visual Studio, and are designed to run on desktop, mobile, and future devices that support the Universal Windows Platform. If you are unfamiliar with Git and GitHub, you can download the entire collection as a ZIP file, but be sure...
    Downloads: 3 This Week
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  • 25
    ADAMANT Messenger Progressive Web App

    ADAMANT Messenger Progressive Web App

    ADAMANT decentralized Messenger, progressive web application

    ...ADAMANT is a decentralized anonymous messenger based on the blockchain system. It’s independent of any governments or corporations, and even developers due to the distributed network infrastructure that contains an open-source code. The ADAMANT blockchain system belongs to its users. Nobody can control, block, deactivate, restrict or censor accounts. Users take full responsibility for their content, messages, media, and goals and intentions of using the messenger. Privacy is the main concept of ADAMANT, neither phone numbers nor emails are required. Apps have no access to the contact list or geotags, IPs are hidden from chatters and paranoids can use Tor app. ...
    Downloads: 0 This Week
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