You can download the software directly from the Rice sites or, for your convenience, from this site.
For those of you with Geometer's Sketchpad, there are script tools written by Scott Steketee to do non-euclidean geometry constructions using the Poincaré model with Geometer's Sketchpad. These can be found at the Key Curriculum Press Geometer's Sketchpad site or below for your convenience.
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