Showing 841 open source projects for "read qr code"

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  • 1
    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: 25 This Week
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  • 2
    PHP QR Code

    PHP QR Code

    A PHP QR Code generator and reader with a user-friendly API

    chillerlan/php-qrcode is a modern, flexible PHP library for generating QR codes. It supports various customization options such as size, encoding, error correction, and logo embedding. The library is PSR-compliant and built for ease of use in modern PHP projects, making it suitable for generating QR codes in web apps, receipts, and authentication systems.
    Downloads: 8 This Week
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  • 3
    Endroid QR Code

    Endroid QR Code

    QR Code Generator

    Endroid QR Code is a PHP library that allows developers to generate QR codes with customizable parameters. It supports creating QR codes in various formats, including PNG and SVG, and offers options for encoding URLs, text, or other data. The library is flexible and easy to integrate into applications that require QR code generation, such as ticketing systems or payment gateways.
    Downloads: 4 This Week
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  • 4
    QR Code generator library

    QR Code generator library

    High-quality QR Code generator library in Java, TypeScript/JavaScript

    This project aims to be the best, clearest library for generating QR Codes. My primary goals are flexible options and absolute correctness. The secondary goals are compact implementation size and good documentation comments. This work is an independent implementation based on reading the official ISO specification documents. I believe that my library has a more intuitive API and shorter code length than competing libraries out there.
    Downloads: 8 This Week
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  • 5
    Mini QR

    Mini QR

    Create & scan cute qr codes easily

    Mini QR is a web app focused on making QR codes feel friendly and design-forward, combining a polished QR generator with a built-in scanner so you can both create and decode codes in the same place. It emphasizes customization so the QR you generate can match a brand, event theme, or personal style, including color and styling controls, framed layouts with labels, and the ability to add a logo image. Because QR reliability matters as much as looks, it exposes practical settings like error...
    Downloads: 14 This Week
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  • 6
    QRCoder

    QRCoder

    A pure C# Open Source QR Code implementation

    ...(Like QR Code generators which are relying on online services which makes them vulnerable/slow in some cases.) Although simplicity is one of the main goals, QRCoder is really flexible, in both "output formats" as well as in "payload types". Payload types? Yes, QRCoder brings its own "payload generator", which helps you to create a big list of different payload types to generate special QR codes like "WiFi QR Codes", "Girocodes", "SwissQRCodes" and many more.
    Downloads: 14 This Week
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  • 7
    Extract TOTP/HOTP secrets

    Extract TOTP/HOTP secrets

    Extract one time password (OTP) secrets from QR codes

    The Python script extract_otp_secrets.py extracts one-time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator".
    Downloads: 1 This Week
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  • 8
    QR Code Generator

    QR Code Generator

    Offline QR Code generator focused on privacy, speed, and ease of use.

    QR Code Generator by Mariano Ortu is a lightweight, offline QR Code generator designed for professionals and users who value privacy and control. It creates clean, reliable QR Codes without any internet connection, ensuring all your data stays on your device. No ads, no tracking, full transparency. Compatible with .NET Framework 4.8 and Windows 8 or later.
    Downloads: 168 This Week
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  • 9
    JavaScript QR Code

    JavaScript QR Code

    Make QR Codes in JavaScript

    A mini javascript library to get the famous QR code. You can set the size, content to be encoded and get the html code to include the image in your web pages. You can also share the image via email with a simple interface included in the mini library Now is available Desktop app, QR Code Generator, where Window 7 and later are supported. Both x86 and amd64 (x64) binaries are provided for Windows.
    Downloads: 6 This Week
    Last Update:
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  • 10
    Agregore Browser

    Agregore Browser

    A minimal browser for the distributed web (Desktop version)

    A minimal web browser for the distributed web. Web Extension support. Built-in Markdown/Gemini/JSON rendering extension. Built-in QR code scanner and generator extension. Generate a QR code for the current page. Scan a QR code from the browser action window. Right-click a link or image to generate a QR code for it. Built-in ad blocker (ublock origin). Built-in support for creating web archives via ArchiveWeb.page.
    Downloads: 29 This Week
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  • 11
    hiddify-app

    hiddify-app

    Multi-platform auto-proxy client, supporting Sing-box, X-ray, TUIC

    Hiddify is a comprehensive VPN and proxy client designed to facilitate secure internet access and bypass censorship. It supports advanced proxy protocols like V2Ray, Shadowsocks, and Trojan, offering configuration through QR codes, links, and subscription services. Hiddify aims to be user-friendly while also catering to power users with customizable options, making it a popular choice in regions with restricted internet access.
    Downloads: 687 This Week
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  • 12
    Source Code Hunter

    Source Code Hunter

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

    ...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: 9 This Week
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  • 13
    ZXingLite

    ZXingLite

    Simplified version of ZXing, optimized to scan codes to generate QR

    ZXingLite for Android is a simplified and extremely fast version of ZXing. Based on the ZXing library, it optimizes the functions of scanning codes and generating QR codes/barcodes. The scanning interface fully supports customization, and one line of code can also use the default scanning function. In short, everything you want is here. By inheriting CaptureActivity or CaptureFragment and customizing the layout. (Applicable to most scenarios, and you don’t need to care about the code scanning related logic, you need to override the getLayoutId method when customizing the layout) Implementation examples: CustomCaptureActivity and QRCodeActivity. ...
    Downloads: 0 This Week
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  • 14
    30 Seconds of Code

    30 Seconds of Code

    Coding articles to level up your development skills

    30-seconds-of-code is a popular repository offering a vast collection of concise, reusable JavaScript code snippets that can be read and understood in 30 seconds or less. It covers a broad range of everyday programming tasks, from array manipulation to DOM handling. Ideal for learners and professionals alike, it promotes clean coding and fast prototyping by focusing on clarity and brevity.
    Downloads: 0 This Week
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  • 15
    claude-code-transcripts

    claude-code-transcripts

    Tools for publishing transcripts for Claude Code sessions

    claude-code-transcripts is a command-line utility that takes session files exported from Claude Code (in JSON or JSONL format) and turns them into clean, navigable HTML transcripts that can be viewed in any modern web browser. It is designed to make the often dense and verbose outputs from AI coding sessions easier to read, share, and archive by breaking conversations into paginated, annotated pages with navigable timelines of prompts and responses.
    Downloads: 2 This Week
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  • 16
    Umi-OCR

    Umi-OCR

    OCR software, free and offline

    ...It includes a highly efficient offline OCR engine with built-in multilingual recognition libraries, so users can extract text across multiple languages with high accuracy directly on their machines. The software supports flexible usage patterns including screenshot capture OCR, batch processing of large sets of images or documents, PDF parsing, QR code detection, and layout-aware paragraph output. Users can interact with Umi-OCR through a graphical interface, command-line options, or HTTP interfaces, making it adaptable to both casual desktop usage and programmatic automation. Because the project is open source, developers can inspect, modify, and extend its capabilities, and plugins allow for different recognition engines or enhanced features.
    Downloads: 45 This Week
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  • 17
    Shlink

    Shlink

    The definitive self-hosted URL shortener

    ...It provides features for creating short, trackable URLs with detailed analytics on click statistics. Shlink is self-hosted, giving users control over their shortened links and data privacy. It supports custom domains, QR code generation, and integration with third-party services for advanced tracking and management.
    Downloads: 0 This Week
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  • 18
    DScan

    DScan

    Uploads the content to IPFS and generates decentralized QR codes

    DScan is a decentralized storage and file sharing tool. DScan allows you to quickly upload files as well as folders to IPFS by using web3.storage and receive a "decentralized QR code" with IPFS CID. Later you can customize and share the QR code or hosted gateway link with everyone for easy and decentralized file sharing. Because of web3.storage, the content can be accessed over IPFS without the user installing and setting up a local instance of Kubo.
    Downloads: 1 This Week
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  • 19
    ffsend

    ffsend

    Easily and securely share files from the command line

    Easily and securely share files and directories from the command line through a safe, private and encrypted link using a single simple command. Files are shared using the Send service and may be up to 1GB. Others are able to download these files with this tool, or through their web browser. All files are always encrypted on the client, and secrets are never shared with the remote host. An optional password may be specified, and a default file lifetime of 1 (up to 20) download or 24 hours is...
    Downloads: 3 This Week
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  • 20
    qrcp

    qrcp

    Transfer files over wifi from your computer to your mobile device

    ...The default handler serves the content and exits the program when the transfer is complete. When used to receive files, qrcp serves an upload page and handles the transfer. Most QR apps can detect URLs in decoded text and act accordingly (i.e. open the decoded URL with the default browser), so when the QR code is scanned the content will begin downloading by the mobile browser. When sending multiple files at once, qrcp creates a zip archive of the files or folders you want to transfer, and deletes the zip archive once the transfer is complete. ...
    Downloads: 4 This Week
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  • 21
    LibreSign

    LibreSign

    Nextcloud app to sign PDF documents

    ...Hybrid signatures streamline negotiation processes, offering flexibility in choosing between personal or system-generated digital certificates for signing documents digitally with LibreSign. LibreSign revolutionizes document authenticity verification with QR Code, ensuring security, efficiency, and practicality. Its instantaneous validation, agility, transparency, and compatibility with various platforms make it perfect for sustainable businesses.
    Downloads: 3 This Week
    Last Update:
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  • 22
    SimpleX

    SimpleX

    The first messaging platform operating without user identifiers

    ...Many communication platforms are vulnerable to MITM attacks by servers or network providers. To prevent it SimpleX apps pass one-time keys out-of-band when you share an address as a link or a QR code. Double-ratchet protocol. OTR messaging with perfect forward secrecy and break-in recovery. NaCL cryptobox in each queue to prevent traffic correlation between message queues if TLS is compromised.
    Downloads: 29 This Week
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  • 23
    whatsapp-web.js

    whatsapp-web.js

    WhatsApp library for NodeJS that connects through the browser app

    ...The object-oriented approach makes it easy to get running quickly. Since whatsapp-web.js works by running WhatsApp Web in the background and automating its interaction, you'll need to authorize the client by scanning a QR code from WhatsApp on your phone. After scanning this QR code, the client should be authorized and you should see a Client is ready! message being printed out.
    Downloads: 5 This Week
    Last Update:
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  • 24
    openwechat

    openwechat

    golang WeChat SDK

    ...Modules are easy to use and easy to expand. Support customized development, such as logging, and automatic reply. Breakthrough login restrictions. No need to scan the QR code repeatedly to log in. Support multiple WeChat accounts to log in at the same time. Message reply, send text, pictures, files, emoji and other messages to designated objects (friends, groups) Hot login (no need to repeatedly scan the code to log in), custom message processing, file download, message anti-withdrawal. Obtain object information, set friend notes, pull friends into groups, etc.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Barcode

    Barcode

    Laravel Barcode Generator

    This is a barcode generation package inspired by https://github.com/tecnickcom/TCPDF. Actually, I use that package's underline classes for generating barcodes. This package is just a wrapper of that package and adds compatibility with Laravel 5.
    Downloads: 3 This Week
    Last Update:
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