Neutralhazer filters, distortions, and HDR are integrated. The Pro uses essentially the same algorithms as Giga however, In addition to supporting GigaPan, Merlin and Panogear heads, Giga includes support for Clauss motorized heads. Kolor Autopano boasts possibly the best algorithms on the market. Autopano Pro/Giga, Windows & Mac, Free trial + € 99 for Pro/€ 199 for Giga, with additional education pricing policies Note: PTGui offers a Pro subscription, which has additional features that support HDR stitching, masking, viewpoint correction and vignetting, exposure and white balance correction. For a more detailed comparison between PTGui and PTGui Pro, refer to this chart made by PTGui. PTGUI only recognizes series of HDR images by them having identical FNO and shutter speed, and if your camera was on auto when your HDR series was taken, you might have to edit them manually. The free version of PTGui produces stitches with conspicuous watermarks. If you own a Mac and have just upgraded your OS to High Sierra, bad news: PTGui doesn’t support High Sierra yet. Here we collected some of the best alternatives to PTGui in case this software isn’t working out for you. In spites of its simple UI and lightening-fast, it doesn’t come without flaws (don’t we all). Short for Panorama Tools Graphic User Interface, it has a basic interface catered to beginners and more advanced options for professionals, making it one of the most versatile editing options. PTGui is a leading editing software for stitching 360/panoramic photos, compatible with Windows and Mac OS X. Top 8 360 Photo Stitching Software Alternative to PTGui

Best image stitching software free