A ruby library for generating one time passwords and QR Codes

The admin section of Munificent

The dangerous fish

The Muræna API

fir command tool, support iOS and Android

TOTP/HOTP CLI

Pages Core

Paperback is a library for creating printable paper backups of small amounts of sensitive data like cryptographic keys.

Ponsqb admin CLI.

easy work for deploy, dev

Ruby Gem to generate PNG files with QR codes in them

Prawn-qr is a prawn extension for creating QR Codes inside of a prawn document

Generate pretty QR code

putqr displays a QR code in your terminal.

Simple QR interface to pws gem. Helps to use your passwords on a smartphone.

This is a very simple framework to create small frontends in a webserver

Generates QR codes on the command line using ANSI terminal colors

Add qrcode support to your activerecord model.

二维码批量生成工具，支持内嵌Logo

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