This wiki was in read-only mode for many years, but can now be edited again. A lot of information will need to be updated.
Wings3D
Wings3D is a subdivision modeler inspired by Nendo and Mirai from Izware and can be used to create bzflag objects by using the BZW exporter. There is no support in Wings for doing animations. But the only known 3D modeler that supports animation is http://www.blender.org/ Blender](Which BZW Exporter can also be used to export models into .bzw files.
You can download Wings3D from wings3D.com.