iCity is a city generator add-on for Blender. It builds roads, towers, parks, cars, and environments, generating the urban scenes those pieces make up.
The add-on is aimed at car simulations, real-time city animation, and architectural design. Documentation is included with the product, and a demo video is available. iCity supports Blender versions 4.5 through 5.0 and is distributed under the GPL license.
Published about two years ago on superhive, iCity has recorded over 3,400 sales and holds a rating of 4 from 33 reviews. It stands out in the superhive library as an established city generator for Blender users working on urban assets. In this catalog it's listed as free; for current licensing terms and further detail, check the developer's page.