It is open-source and cross-platform (tested on Windows, Linux, and macOS). It supports a range of file formats, rendering and texturing options.

Here is the list of supported file formats:

• .vtk : the legacy VTK format
• .vt[p|u|r|i|s|m] : XML based VTK formats
• .ply : Polygon File format
• .stl : Standard Triangle Language format
• .dcm : DICOM file format
• .nrrd/.nhrd : “nearly raw raster data” file format
• .mhd/.mha : MetaHeader MetaIO file format
• .tif/.tiff : TIFF 2D/3D file format
• .ex2/.e/.exo/.g : Exodus 2 file format
• .gml : CityGML file format
• .pts : Point Cloud file format
• .obj : Wavefront OBJ file format (full scene)
• .gltf/.glb : GL Transmission Format (full scene)
• .3ds : Autodesk 3DS Max file format (full scene)
• .wrl : VRML file format (full scene)