Downloader Pro is described as 'The photographers tool for automated transfer of images from card reader or camera to PC, renaming and storing them with own choice of file and directory names'. There are five alternatives to Downloader Pro for Windows and Mac. The best alternative is PhotoMove, which is free. Other great apps like Downloader Pro are DIM: Digital Image Mover (Free), photoimport (Free, Open Source), Transferer (Free) and Pixfer XP (Freemium).
PhotoMove will sort your photos by date taken and move or copy them to dated folders. Folders are named by year, month and day and optionally by camera model. In the Pro version there are many additional date and organizational structures.
The PhotoImport tool is used to copy images from your digital camera onto your computer. It will automatically sort and organize your photos into a directory structure based on a configurable storage scheme, and possibly rename the files.