The 1.3.3 version of HDRtist for Mac is available as a free download on our website. The most popular versions of the application are 1.3 and 1.2. The common filename for the program's installer is hdrtist.zip. This free Mac application was originally produced by Ohanaware. You can set up this free program on Mac OS X 10.5.0 or later. This program's bundle is identified as com.ohanaware.HDRtist. The program lies within Design & Photo Tools, more precisely Viewers & Editors.
From the developer:
Sometimes the situation just doesn't allow you to take multiple exposures, don't have time to set-up the tripod, or the wind's too strong, or there's too much movement.
You may want to check out more Mac applications, such as HDRtist NX, which might be related to HDRtist.