http://hugin.sourceforge.net/
http://www.panavue.com/
http://research.microsoft.com/en-us/um/redmond/projects/ice/
http://www.serif.com/panoramaplus/
http://zippyhelp.com/imagetools/stitch/photostitch.htm
https://www.photostitcher.com/
http://matthewalunbrown.com/autostitch/autostitch.html
http://www.panoramafactory.com/