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QR Codes

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recent from @rubygems

rqrcode

A library to encode QR Codes

  • 3.2.0 Jan 08 2026 gem.coop system

older from @rubygems

pngqr

Ruby Gem to generate PNG files with QR codes in them

  • 0.6 Feb 16 2012 gem.coop system

qrencoder

Wrapper around the C qrencode library for creating QR Codes

  • 1.4.1 Feb 04 2012 gem.coop system

qrscanner

Ruby gem QR code scanner based on ZXing

  • 0.4.1 Sep 13 2011 gem.coop system

qrtools

QRTools is a library for decoding QR Codes

  • 1.0.1 Jul 25 2009 gem.coop system

rqr

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

  • 0.2.2 Jul 25 2009 gem.coop system

rqrcode-rails3

Render QR codes with Rails 3

  • 0.1.7 Nov 20 2013 gem.coop system

rqrcode_png

Produces a .png from a given QR Code

  • 0.1.5 Nov 01 2014 gem.coop system

zbar

Ruby bindings for ZBar, a barcode recognition library

  • 0.3.0 Nov 05 2017 gem.coop system

zxing

JRuby wrapper for ZXing 1D/2D barcode image processing library.

  • 0.4.0 Dec 17 2014 gem.coop system