GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Skuuudle - Discover, match and monitor your eCommerce competitors.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.
Prisync - Prisync is a competitor price tracking and monitoring software for all sizes of e-commerce companies worldwide.