From Architect Wiki

SketchUp is a 3D modeling software program that can be utilized by architectural, interior design, landscape architecture, civil engineering, film and video game designing. This program is owned by Trimble Inc. which is a surveying, navigation equipment, and mapping company. The program has fee modeling warehouse to find pre-made families. There are third-party "plug in" programs hosted through the Extension Warehouse that provided additional capabilities with the models. Eg. Rendering software, videography software, and furniture warehouses.