More Plug-ins:
3-D Models(建模):
PhotoModeler Pro 5 - New release! Model & measure 3D objects from photos (Companion with 3DM Support ) 
3-D Painting(模型绘图): 
Deep Paint 3D Interactive 3D Painting and Texturing(Companion with Rhino support)
Analysis(标注测量): 
CADRE Pro FEA structural analysis software(Companion with Rhino support)
SC/Tetra Thermo-fluid Analysis System (Companion with Rhino support)
CFX CFX CFD Analysis Software (Companion without 3DM Support)
FLUENT, Inc. Computational Fluid Dynamics Software (Companion without 3DM Support)
FLUENT, Inc. - UK Computational Fluid Dynamics Software (Companion without 3DM Support)
Geomagic Qualify Computer-Aided Inspection Software (Companion without 3DM Support)
Animation/Rendering(动画与渲染):  
RhinoMan (Free!) RenderMan compatible rendering plug-in (Plug-In)
Power Solids Import 3dm surfaces/solids into Max/Viz (Companion with Rhino support)
AIR Fast high quality rendering (Companion without 3DM Support)
Inovate Animation, Rendering, Modeling in one (Companion without 3DM Support)
POV-Ray The Persistence of Vision Raytracer (Useful Link)
Architecture(建筑体系): 
Butterfly3D The simplest way to design cabinets (Plug-In)
CAM(加工生产): 
AlphaCAM CAD/CAM Software for CNC (Companion with 3DM Support)
AUTON CAM 3D CAM for Mold-makers (Companion with 3DM Support)
CraftMill Cutting RP (Companion with 3DM Support)
OneCNC CAD/CAM Hybrid CAD/CAM (Companion with 3DM Support)
PowerMILL Multi axis and High Speed Machining (Companion with 3DM Support)
RAMS Software 2D & 3D CAM Software (Companion with 3DM Support)
SprutCAM Powerful abilities under grace control (Companion with 3DM Support)
SUM 3D 3D CAM FOR MOLD MAKERS (Companion with 3DM Support)
FeatureCAM Feature- and Knowledge-Based CAM! (Companion without 3DM Support)
CAD/CAM Desktop Manufacturing Systems CNC machines for industry, educ., hobby (Hardware)
Developer Tools(开发工具):
AutoIt (Free!) Automate any Windows-based task (Useful Link)
Macro Express A Windows automation tool (Useful Link)
Drafting/Illustration(草绘/图表):
Lino Printing, drafting & illustration (Plug-In)
Butterfly3D The simplest way to design cabinets (Plug-In)
General(相关支持):
DesignFOIL Airfoil/Wing Design & Analysis (Companion without 3DM Support)
Hydraulic Design James Carruthers' Rhino site (Useful Link)
Rhinoceros User's Network Japanese Rhino user group (Useful Link)
Import/Export(文件输入输出):
HPGL Import for Rhino import graphical data from HPGL Plot (PLT) files (Plug-In)
OBJ Import for Rhino import graphical data from ASCII Alias|Wavefront OBJ files (Plug-In)
Points (Free!) import points from or export points to a delimited text file (Plug-In)
CatiaV43D To 3DM Without Rhino Write directly 3DM (batch) (Companion with 3DM Support)
Power Solids Import 3dm surfaces/solids into Max/Viz (Companion with Rhino support)
IronCAD - Rhino Integration (Free!) Seamless Editing Between Both Systems (Companion with Rhino support)
OBJ to 3DM (Free!) Wavefront OBJ to 3DM converter (Useful Link)
ST-Repository Translation Service (Free!) STEP online translation (Useful Link)
Using Rhino with Autodesk Inventor (Free!) White Paper (Useful Link)
Using Rhino with Solid Edge (Free!) White Paper (Useful Link)
Using Rhino with SolidWorks (Free!) White Paper (Useful Link)
Jewelry(珠宝首饰):
TechGems 3.0 Jewelry Toolbar Library (Plug-In)
Marine(船舶业):
Expander Surface Expansion Plug-In for Rhino (Plug-In)
PHASER Hydrostatics & Stability Hydrostatics & Stability Calculations (Plug-In)
RhinoStatics Hydrostatics in Rhinoceros 2.0 (Plug-In)
FastShip NURBS-based Hullform Design & Fairing (Companion with 3DM Support)
Mechanical Design(工业结构):
Ornitorrinco (Free!) Library of mechanical parts (Plug-In)
Racko MOLD 2003 (Plug-In)
Solid Concept Parametric Solid modeler w. CAM support (Companion without 3DM Support)
FASTBLANK Calculates blank shape (Companion without 3DM Support)
IronCAD Full Featured 3D Detail Design Solution (Companion without 3DM Support)
TriAxial Design and Analysis Mechanical engineering services (Service)
Phototyping(照片建模):
RhinoProto 3D CAM for Rapid Prototyping (Plug-In)
Iverielli Designs 3d jewelry cad designs in rhino (Service)
PreMould AB (Service)
Protoshape Small parts prototyping service (Service)
Xpress3D Every Rapid Prototype in 2 days or less (Service)
AccuArt, Inc. designing and building 3D concepts (Service)
HIGH PROTOTYPING Italy 3D CAD designs and rapid prototyping (Service)
M2 Systems Rhino Training and Rapid Prototypes (Service)
Product Development / CAD Model Maker Custom CAD models for CNC and RP (Service)
W3D Rapid Prototyping Services and Hardware (Service)
Wiba AB Wiba manufacture prototypes. (Service)
MDX-650 Tabletop Milling Machine (Hardware)
Reverse Engineering(逆向工程):
PIX Import for Rhino Dr. Picza PIX file importer (Plug-In)
MicroScribe Digitizers Desktop Digitizing Systems (Hardware)