Crossfilter - Fast multidimensional filtering for coordinated views
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Diagrammm - Fundamentals on data visualization
Pricy - Amazon price watch
BestShot - Your AI-based tennis coach
Price Tracker by Relbis Labs - Price Tracker is a command-line tool for monitoring the prices of productsFeaturesTracking prices and availability of products.Tracking Amazon Kindle books.Displaying products information in a terminal.Exporting data into Excel and YAML files.