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

QRCode to Waze or GoogleMaps

API client for qrcodefyi.com. Look up QR code types, versions, encoding modes, error correction levels, and standards. Zero dependencies.

Add qrcode support to your activerecord model.

二维码批量生成工具，支持内嵌Logo

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

A library to encode QR Codes

QRCode and Barcode generator for rails

login with wechat account by scanning qrcode with phone

Generate pretty QR code

Process to generate and read data EMV QRCode

An rqrcode wrapper for adding a website, a contact, wi-fi settings, location, event, cryptocurrency and more

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

Generate QR code

Uses a google web service to generate QR codes

simple text for qrcode

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

make qrcode for the kingblade III.