ON1 Resize - High quality photo enlargement up to 1000%.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
AI Img Enlarger - Enlarge Images Without Losing Quality Online
Ralpha Image Resizer - High-speed image batch conversion tool
SmillaEnlarger - SmillaEnlarger is an open-source and portable application designed to help you intensively massage...
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.