Here you can download a free trial version of aiSee. Please note the differences between the commercial and the trial version.
aiSee can be registered for free for non-commercial use. To do so, start aiSee and select “License” from the “Help” menu (Windows and Linux) or the program menu (Mac OS X).
Non-commercial users can also purchase the commercial version of aiSee at a lower price (40% off). For details, see ordering info.