The PTGui application was designed to be panoramic stitching software for Windows and Mac OSX. Originally developed as a Graphical User Interface for Panorama Tools (hence the name), PTGui now is a full featured photo stitching application.
PTGui comes in two versions: PTGui and PTGui Pro. The main difference between the two versions is support for HDR stitching, viewpoint correction and vignetting, exposure and white balance correction in PTGui Pro.

Limitations:
· Stitched panoramas will have a visible watermark
· Saves only the first 2 images of panorama
· The Panorama Tools stitcher and optimizer are not supported (only the built-in PTGui stitcher and optimizer)
· The trial version expires. Updates will be downloadable from this website
· Nag screen

What's New in This Release:
· dcraw updated to version 9.16
· PTGui Pro now supports layered Photoshop output for 32 bit HDR projects. Useful for manual retouching or deghosting
· Batch Builder can now be configured to include only images with certain file extensions
· Option to show or hide the mask in the Control Points tab
· PTGui optimizer now supports two different methods for handling horizontal line / vertical line control points. 'Level in second pass' first optimizes the panorama using the regular control points and then does a separate leveling step using the line-type control points. This is the method that was always used in previous versions. 'Include in single pass' will do a single optimization pass using all control points. This is the method used by the Panotools optimizer. See the Help page for the Optimizer tab for details.
· Align to Grid now gives an error message if the resulting panorama would be wider than 360 degrees or taller than 180 degrees.
· Default setting for the maximum number of ...