Downloading Quesa 1.7 for Mac from our website was free. The application lies within Developer Tools, more precisely General. Our antivirus check shows that this Mac download is malware free.
From the developer:
Quesa is a cross-platform, open-source project to re-implement QD3D under the LGPL license. The primary goal is to provide API and binary compatibility with Apple's QD3D 1.6, but at the same time, Quesa has surpassed its predecessor in several ways.