The 0.2 version of MagStriper for Mac was available as a free download on our website. Commonly, this program's installer has the following filename: magstriper.zip. This free Mac app was originally produced by Kevin Brewster. You can run this free program on Mac OS X 10.8 or later. The most popular version among the application users is 0.2.
From the developer:
MagStriper is an application that helps you read and write magnetic stripe cards. This software program features read, write, compare, duplicate, and erase support for MSR206-compatible readers and writers (including MSRW MSR606, MSR505C, MSR106, MSR406, MSR210, MSR210U, and others).
You may want to check out more Mac applications, such as Square, which might be similar to MagStriper.