CADbro 2021 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
This program was originally created by ZWSOFT CO., LTD.(Guangzhou). The following versions: 2020, 2019 and 2018 are the most frequently downloaded ones by the program users. The software lies within Photo & Graphics Tools, more precisely 3D Design.
From the developer:
CADbro is a budget-friendly 3D CAD viewer with multi-CAD format support, especially designed for everyone to visualize and communicate engineering data. Packed with smart 3D CAD viewing, vivid 3D annotation and advanced analysis technologies, CADbro can deliver your team highly efficient internal & external cooperation, greatly shortened time-to-market and largely saved project investment.
You may want to check out more software, such as P-CAD 2004 Viewer, Baldor Electronic Catalog or AutoCAD OwnerGuard, which might be related to CADbro.