Are you struggling to find a reliable and free software to open step files? Look no further! We've got you covered with the best options to easily access and view your CAD files without shelling out a dime. Whether you're a professional engineer or just dabbling in CAD design, these tools will make your life easier.

1. FreeCAD: This open-source parametric 3D CAD modeler is perfect for viewing and editing step files. It's packed with features and is compatible with Windows, Mac, and Linux.

2. OpenSCAD: If you prefer a script-based 3D CAD modeler with a focus on the design process, OpenSCAD is a great choice. It's free and works on all major operating systems.

3. BRL-CAD: Known for its powerful solid modeling capabilities, BRL-CAD is a cross-platform and open-source CAD system that can handle step files with ease.

4. eDrawings Viewer: This free software from SOLIDWORKS allows you to view, print, and review all types of eDrawings files as well as native SolidWorks parts, assemblies, and drawings.

5. Fusion 360 for Personal Use: While it's primarily a professional CAD and CAM software, Autodesk offers a free personal use license that allows you to view and modify step files.

With these free software options, you can open, view, and edit step files without breaking the bank. Whether you're a student, hobbyist, or professional, there's the perfect tool out there for you. Say goodbye to expensive software and hello to the world of free CAD file viewers!