Rails engine that includes the logic to create surveys/questionnaires in your apps.
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Escper is a collection of essential tools that make printing of plain text and images to one or many serial thermal printers easy. Both USB and serial (RS232) printers are supported and detected automatically. Escper is useful for Ruby based Point of Sale systems that want to print receipts or tickets.
Small Javascript library to parse track 1/2 magnetic stripe data from credit cards.
Public repository.
The Ruby barcode generator