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QR Code Generator from Esponce provides API for generating and reading QR Codes. API is written in C# and is based on REST web service. Users that are registered on the website have access to additional QR Code tracking features. Supported platforms: .NET 3.5, Silverlight, ...
Android library which makes use of Google's Mobile Vision API to enable reading QR Code. The library is built for simplicity and ease of use. It not only eliminates most boilerplate code for dealing with setting up QR Code reading , but also provides an easy and simple API to retrieve information from QR Code quickly.
PHP QR Code is open source (LGPL) library for generating QR Code, 2-dimensional barcode. Based on libqrencode C library, provides API for creating QR Code barcode images (PNG, JPEG thanks to GD2). Implemented purely in PHP.
jQuery plugin to dynamically generate QR codes. Uses QR Code Generator (MIT). The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
A simple, small, progressive web app that takes accesses the user's camera and looks for QR Codes. The QR Code library is a port of JSQRCode and has been ported to work inside a WebWorker for performance.
FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols. Tokens can be added easily by scanning a QR code. If you need to generate a QR code, try our QR code generator.
Windows QR is a proof of concept written in c# about capturing a qr code using a webcam in a WPF application runinng in a desktop computer with Windows 7 or similars. It uses AForge.Vision to wrap the DirectShow complexity and zxing library to decode the qr code.