GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Denodo - Denodo delivers on-demand real-time data access to many sources as integrated data services with high performance using intelligent real-time query optimization, caching, in-memory and hybrid strategies.
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.
data.world - The social network for data people
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Azure Databricks - Azure Databricks is a fast, easy, and collaborative Apache Spark-based big data analytics service designed for data science and data engineering.