noesis - Rich Whitehouse's project web site.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
GraphicConverter - Graphic Converter for Mac and Windows, can converts image formats BMP, JPG, GIF, ICO, PNG, TIF...
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
3D Object Converter - 3D Object Converter, a powerful 3d polygon model translation and interactive viewing shareware tool...