GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Creativity 365 - Cross-device content creation suite
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.
Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.