Panoramic photography links (Link to parent category)

Panotools Wiki (also lot of information which is not Panotools specific)
Panoramic heads

Nodal Ninja
Really Right Stuff
Virtual Reality Photography
360rage - Panorama hardware and heads

Cambridge in colour - Digital panoramas: part 1
Cambridge in colour - Digital panoramas: part 2
Cambridge in colour - Digital panoramas: Projections
Panoguide: the guide to panoramas and panoramic photography
Software

CubicConverter (QTVR)
PTgui
AutoPano Pro
Panoramafactory
PTmac
Hugin

Panomundo QVTR howto