The Half-Life Model Viewer is a nice tool to view and analyze HL 3D models.
U.S. Geological Survey
It displays the results of three-dimensional ground-water models.
Open standard IFC and Solibri Model Checker files on your PC.
3D Model Viewer is a software dedicated to all 3D Artists.
Model Viewer interactively displays 3D models created with DInsight products.
A tool used to view and capture model and character animation from wow.
View Simulink and Stateflow models, and analyze the processing of signals.
Lucid Vision Games
The XNA Model Viewer allows you to load FBX files and view them.
MD2 Viewer is an excellent program to view MD2 3D models.
AnyCAD Viewer is a free and powerful 3D model viewer.
Open 3D Model Viewer can be used to view a variety of 3D file formats.
Dot-Mania is a fun game of join-the-dots for kids of all ages.
Bentley Systems, Inc.
Bentley View is a free DGN viewer, DWG viewer, and i-model viewer.
Player Model Viewer for the Game Enemy Territory by SplashDamage.
Datacomp sp. z o.o.
BIM Vision is a free and easy to use IFC model viewer.
Quadstone Paramics Ltd
It can be used as a model designer and viewer allowing you to share your models.
3DS Viewer displays 3DS model files, and is a testing project for the 3DS code.
PowerDesigner Viewer can open, read, and navigate any PowerDesigner model.