Crossfilter - Fast multidimensional filtering for coordinated views
Domcomp - No-nonsense domain price comparisons, updated daily
Diagrammm - Fundamentals on data visualization
Pricepeek - Compare prices of the same product across all Amazon locales
BestShot - Your AI-based tennis coach
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.