Blocco - Blocco is a customizable geometric pattern kit
Percolator - Percolator: the always fun, supremely unique photo app that is sure to surprise you! FEATURES:
PatternPad - Create beautiful geometric patterns
AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
GeoKone - A web application for drawing awesome geometric shapes
Mosaic Creator - Mosaic Creator is professional mosaic tool. You can create your own picture mosaic.