Are you not seeing geoWidgets Activity Packs in Geocortex Workflow Designer?
geoWidgets UI Activity Pack adds a Progress Bar activity to support Web AppBuilder for ArcGIS® on both On-Premise and SaaS versions of Geocortex Workflow.
geoWidgets Conversion Activity Pack adds 3 new activities to support client-side creation and extraction of ZIP files for both On-Premise and SaaS versions of Geocortex Workflow.
Changes to our Content Delivery Network (CDN) may cause 403 errors with geoWidgets Activity Packs
geoWidgets UI Activity Pack for Geocortex Workflow 5 adds a Progress Bar activity to communicate the status of tasks to your web GIS users.
geoWidgets Conversion Activities extend Geocortex Workflow 5 with client-side file conversion activities to import and export shapefiles, spreadsheets, text-delimited files, and KML/KMZ in web GIS.