Bentley Web Services Gateway (WSG) and the ProjectWise Plug-in for WSG are used together to provide various Bentley apps (including ProjectWise Web and ProjectWise Web View) with secure, cloud-based access to ProjectWise datasources and functionality.

Bentley Web Services Gateway is used to provide the apps with access to ProjectWise datasources, and the ProjectWise Plug-in is used to provide the apps with ProjectWise capabilities.