SWipe is an application for reading magnetic stripe cards over an audio port. Requirements: - A hardware audio dongle to read the cards, such as those provided by Square for their payment service. - Qt 4.6 or later (including Qt Multimedia plugin) It has been confirmed to run on Linux, Windows and OS X. To build on the terminal, simply run: qmake && make You may also open the project file in Qt Creator to build. http://blog.tehinterweb.com/