Imps! Animation software
Mac OS Stop Motion Software:
iStopMotion http://www.istopmotion.com/
by Boinx Software 
thank you Oliver for the Imps! mention in your weblog
FrameThief
http://www.framethief.com/
by FrameThief Inc.
BTV
Pro http://www.bensoftware.com/btvpro.html
by Bensoftware
Loud Animation Studio http://www.loudinc.com/animation/loudanimationstudio/
Stop Motion Studio http://www.loudinc.com/animation/stopmotionstudio/
Stop
Motion Junior http://www.loudinc.com/animation/stopmotionjunior/
by
LoudInc.
Windows OS Stop Motion Software:
AnimatorDV
http://animatordv.wmmedia.com/
by wmmedia - very impressive feature list
Macromedia Flash Links http://www.jednet.co.uk/linkspgs/flashlinksnew.html
from sister site www.jednet.co.uk
Animation Shop 3 http://www.jasc.com/
by Jasc
Modelling resources
Newplast plasticene http://www.newclay.co.uk
bulletin board http://b2.ezboard.com/fclayandstopmotionanimationcommunityfrm42.showMessage?topicID=177.topic
Studios
Gimpy Chicken http://www.gcmp.net/
Director Pierre Coffin's Ping Page http://pyer.3dvf.net/movies_pets1.html
for Pat et Stanley and Polar Bears by MacGuff Ligne
