What are some alternatives?
When comparing AutoPano and PhotoStitch, you can also consider the following products
Hugin - Hugin is an easy to use cross-platform panoramic imaging toolchain based on Panorama Tools.
Microsoft Image Composite Editor - Microsoft Image Composite Editor is an advanced panoramic image stitcher.
Stitch Panorama - Stich Panorama is a plug-in for the GNU Image Manipulation Program (GIMP) which takes digital...
PTgui - PTGui is panoramic stitching software.
Cardboard Camera - The VR camera app for Google Cardboard that lets you share moments with virtual reality.
PTStitcherNG - Fast Panorama Stitcher and Blender, implemented in SIMD-Math.