Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.
GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Google BigQuery - A fully managed data warehouse for large-scale data analytics.
GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.