Foto-Mosaik-Edda is a free software for creating stunning, impressive mosaics photos. To use Foto-Mosaik-Edda, you need lot of source images (the bigger the better, the more the better) , as they recommended is 2000 or more, to create a mosaic database. When you first create mosaic database, it takes time because it scans through your photos and create a base set of “titles” for your mosiac. Once you have done create a mosaic set, creating mosaic photo is straight forward. Just pick up a photo and generate. The software is available for Windows only.