Wikipedia
Photodex
Photodex is a software company specializing in the digital imaging market. They are primarily known for the ProShow product line, which is photo slideshow software.
Photodex released one of the first consumer level slideshow programs in 1991 with a program named GDS or Graphic Display System. In the mid-1990s they focused on the photo management software product CompuPic, which also included slideshow capability. In 2002 they released the first version of ProShow, which focused primarily on slideshow creation.