Features
OpenEXR includes the following plugins.
- free LightWave OpenEXR Loader supporting RGBA
 - free LightWave OpenEXR Saver, supporting all saveable image types except for palettized images.
 - a scene type master plugin for setting image saver options (saved with the scene)
 - a dummy saver, that does nothing but allows network render managers to see files saved by the image filter for render success checks.
 - an image filter plugin that allows to save arbitrary buffers to a single OpenEXR file
 
exrTrader offers
- network rendering support
 - plugins consists of one file per platform
 - free point upgrades, free support, free beer (well, the free beer is still a joke ;) )