Diagrams for Mac - A diagram editor for visualizing structures and processes
Domcomp - No-nonsense domain price comparisons, updated daily
The Data Visualisation Catalogue - Reference tool for data visualisation
Pricepeek - Compare prices of the same product across all Amazon locales
nivo - nivo provides a rich set of dataviz components
dofo.com - Domain search platform Dofo.com gathers all registered (350 million) domains of the world in a single place. Dofo also brings together all the domain names that are on sale, provides useful features, all completely free.