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.

rQRCode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures ready to be displayed in the way you choose.

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

An image file generator for QRCodes using RMagick

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

simple text for qrcode

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

Go ZXing QR Code Encoder Ruby wrapper.

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