FreeCAD is a customizable, open-source paramentic 3D CAD and BIM software with FEM support, built on the Opencascade geometric kernel. It was created primarily for product design and mechanical engineering, but it can be used in a wide range of industries, such as electrical engineering, or architecture. It runs on Windows, Mac OS, and Linux.

FreeCAD is made to craft real-life objects of different sizes and is perfect for a home user/amateur, programmer, experienced CAD software user, or educator. This software provides tools similar to those of SolidWorks, Catia or Autodesk Revit.

Powermill is a 3D Computer-aided manufacturing app developed by Autodesk Inc. It runs on Microsoft Windows and is used in many different engineering industries to determine optimal toolpaths to reduce time and manufacturing costs.

Powermill rapidly creates toolpaths on large, complex parts, works with surfaces, solids and STL meshes. It uses efficient roughing strategies and can create gouge and collision free toolpaths, which can be edited and optimized. The software obtains comprehensive range of finishing toolpaths, user-defined macros and templates for automated CAM, extensive library of tool types for use with 3- and 5-axis milling, and specialist tools for demanding industries and applications.

Why do 55 000+ engineers choose CAD Exchanger to win interoperability challenges?

CAD conversion software

Ease of Use

People love CAD Exchanger for simplicity and beautifuly designed interface
CAD conversion software

Demanded file formats

Find your peace of mind and never gamble if you can open CAD file that someone shared with you
Affordable CAD


Install and run CAD Exchanger on any popular platform, including Windows, MacOS, Linux and Android and WEB
CAD conversion software


CAD Exchanger is FAST. Patented algorithms ensure rapid visualization and conversion

Complete toolset for CAD data visualization and engineering analysis


Add up to 3 sectioning planes to explore every inch of your 3D model.


Inspect coordinates, lengths and distances between objects.

Editable properties

View and tune names of the objects, colors, opacity and custom properties.

PMI display

Explore notes, GD&T, reference points, user defined properties and more.

Data healing

Automated data healing brought to ensure correctness of your designs.


Patented algorithms aimed to achieve supreme performance.