Push-button developable lofting for Rhino 5 and 6, check the video and give it a try yourself.

RhinoPiping LT is a free piping plugin. RhinoPiping Pro has many additional features, including Ifc export for AEC, and multiple iso generator (Pro+)

EvoluteTools T.MAP for Rhino 5 and 6 provides re-meshing using pure quad or triangle meshes, and texture mapping using quad or triangle patterns

Naval Architect Toolbox The Naval Architect Toolbox plug-in for Rhino enables 5 new commands. The commands allow calculating the hydrostatic proper

RhinoCFD adds the power of computational fluid dynamics to the CAD environment, allowing users of Rhino3d to undertake CFD investigation

Load point clouds of unlimited size from any source, exploit and create geometry and export for use in other applications.

Concha is a Rhino3D plug-in for the numerical analysis of shell structures based on the Finite Element Method.

Rhino Beam Tools is a rhino plugin built as a bridge between Rhino and specialized beam calculation software. ("Steel" , Bureau Veritas)