Software:
DJV View 1.2.3
A highly effective and useful open source frame sequence player, indispensable in an animation studio.
DJV allows smooth cached playback of float EXR file sequences (and many other formats) at a variaty of frame-rates, image / pixel diagnostic tools, view EXR layers, quick mp4 export, and more.
Download DJV here:
http://djv.sourceforge.net/