Zmodeler is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Blender, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Zmodeler and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Zmodeler are SketchUp (Freemium), MakeHuman (Free, Open Source), Wings 3D (Free, Open Source) and Autodesk Maya (Paid).
picoCAD is a program to build and texture lowpoly 3D models. Programs for modelling are overly complicated, picoCAD aims to make it fun, easy, and accessible by focusing on the bare essentials. This program was made using pico 8.
Artist3D is an extraordinarily easy-to-use 3D polygon modeling tool. It works completely without forms, pull-down menus, pop-up menus and text input. Only one modeling window covers each operation function. Less than 30 operation elements control the active interaction options.
Realsoft 3D is a full-featured 3D software package with a relatively low price tag. Realsoft 3D is available for Windows, Linux, IRIX and Mac OS X. The most recent version 7 has only been released for Windows.