CADViewer
7.6#3 in cad viewer softwareFrom $2,444 a yearAndroidiOSWebAPI
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CADViewer suits developers integrating CAD viewing and markup into browser-based workflows. Its listed use cases also include space management, maintenance, and real estate operations.
It suits professionals, students, makers, and casual users who need to inspect 2D drawings or 3D models. Mobile users may value the included augmented-reality capability.