3D Shape Search Engines:

• Princeton: 3D Models Search Engine
• National Taiwan University: 3D Model Retrieval System
• University of Konstanz, Germany: Content-based Classification of 3D-models by Capturing spatial Characteristics
• Informatics & Telematics Institiute, Greece: 3D Search
• FOX-MIIRE research group, Lille France: 3D Retrieval

3D Shape Matching:

• Princeton Shape Retrieval and Analysis Group
• Tokyo Japan: Topology Matching for Fully Automatic Similarity Estimation of 3D Shapes
• National Taiwan University 3D Model Retrieval
• RODA: Retrieval of 3D-Objects from Digital Archives
• Geometry, Imaging and Virtual Environments
  
• CMU: 3D Model Retrieval
• Prof. Ryutarou Ohbuchi's page
• Andrei Sharf
  
• Dejan V. Vranic
  

Partial Shape Matching and 3D Object Recognition:

• Berkeley: Matching with Shape Context
• Freie Germany: Algorithms for Shape Matching and Approximation
• Spin-Images: A Representation for 3-D Surface Matching
• Brown: A Similarity-based Aspect-Graph Approach to 3D Object Recognition