Prawn/QRCode simplifies the generation and rendering of QRCodes in Prawn PDF documents.

QRCode to Waze or GoogleMaps

二维码批量生成工具，支持内嵌Logo

Add qrcode support to your activerecord model.

A gem to generate working QRCodes with images in their background

Ruby gem for Qrcode generation of Pix (Pagamento Instantâneo Brasileiro - Banco Central do Brasil)

super fast qrcode generator

upload ipa/apk to aliyun oos server, and scan QRcode to install app on mobile phone.

A ruby library to create qrcode. Output: PS, JPEG, PNG, EPS, TIFF.

Creates an SVG graphic of a QR Code. Adds a to_svg method to the RQRCode::QRCode class provided by the 'rqrcode' gem.

An image file generator for QRCodes using RMagick

Simple wrapper for Google's QRCode generator

jQuery plugin to dynamically generate QR codes.

Generate pretty QR code

Generate QR code

QRCode and Barcode generator for rails

login with wechat account by scanning qrcode with phone

Creates QR code files in png, bmp, png, jpg, tif and svg file format. This is fork of sam vincent rqrcode-rails3

make qrcode for the kingblade III.

Process to generate and read data EMV QRCode