: You can model in Revit and sync to ETABS for analysis, or vice versa.
While the software is not "free" in a permanent sense, CSI offers a 30-day Trial version for evaluation purposes. Computers and Structures, Inc. Register for a Trial : Visit the CSiXRevit Trial Page to receive an Activation Key and a download link via email. Prerequisite : You must have Autodesk Revit 2021 csixrevit 2021 free download
Before downloading, ensure your workstation meets the necessary technical specifications. Software Prerequisites CSiXRevit Version 2021.1 : You can model in Revit and sync