Virtualist is described as 'Visualization and collaboration VR software. Import your 3D models, upgrade them to amazing quality, and start collaborating in VR & AR. From small design reviews to large company presentations and conferences' and is an app in the Office & Productivity category. There are three alternatives to Virtualist for a variety of platforms, including Windows, HTC Vive, Oculus Rift, Self-Hosted solutions and SaaS. The best alternative is Enscape3D, which is free. Other great apps like Virtualist are STAGE by vr-on (Freemium, Open Source) and IrisVR Prospect (Paid).
Walk through your architectural projects in virtual reality with the Oculus Rift. Download the Enscape Revit plugin and Revit sample projects for free. Enscape is a Realtime Rendering Plugin for Revit. Live link from BIM to virtual walkthrough.
STAGE Cloud enables Unreal and Unity Enterprise professionals to instantly create, deploy and use their multi-user VR applications. STAGE Cloud requires only 3 simple steps to roll out multi-user VR applications. Further details: www.vr-on.cloud.