Compare software

Mayo vs eDrawings Viewer: catalog facts
Mayo	eDrawings Viewer
Free Free and open source.	Free The viewer is free; eDrawings Professional is a separate product.
Windows, macOS, Linux	Windows, macOS, Android, iOS
Converts between STEP, IGES, STL and other CAD formats Clip planes, exploded views and measurement	Free viewing of 3D models and 2D drawings Opens DWG and DXF files
A viewer and converter, not a modelling tool	Viewing only; editing and publishing need other eDrawings products Proprietary software
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License: Proprietary
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.