A catalog of ArcGIS tutorials offered by Esri, Inc. can be viewed here - https://www.esri.com/training/
Any course in the Esri catalog listed as Free, or Requiring Maintenance, is available to anyone in the Brown community via a Brown ArcGIS Online Organization account, which can be requested from one of the Brown ESRI Site License Administrators by completing this form: https://arcg.is/0aL0n5
Esri also offers links to self-learning tutorials & materials for desktop applications such as ArcGIS Desktop and ArcGIS Pro. Brown-licensed ArcGIS Desktop & Pro can be downloaded from the Software Catalog.
A catalog of GeoDa (a free open-source GIS software) tutorials can be found here:
A catalog of QGIS (a free open-source GIS software) tutorials can be found here:
Please contact S4 Senior GIS and Spatial Analyst, Dr. Guixing Wei (guixing_wei @brown.edu) for further information.