ToyViewer is an image viewer, which was developed originally on NeXTstep and then OPENSTEP. Currently it is for Mac OS X (Cocoa). ToyViewer has simple editing functions and filter services to other applications. If ToyViewer is installed in your Mac, you can see image files in PCX, PPM, Sun Raster, etc. on other Cocoa applications.
What's new in this version:
BUG Fix: Version 5.10 for Snow Leopard couldn't remember the path of the directory which had been read previously (maybe a bug of API).