QGIS - QGIS is a desktop geographic information system, or GIS.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
GRASS GIS - GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Power BI For Office 365 - A quick introduction to using the Power BI business analytics app. A video-based lesson for admins in the course 'Office 365 for Administrators: Supporting Users.'
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.