Callidus Free Viewer
The viewer program is an completely free version of Callidus allowing anyone to
open and view files but does not allow any quantification of materials
IMPORTANT Please do not install this if you already have a commercial version of Callidus. Doing will cause Windows to open EST files with the viewer rather than your working program
download Viewer program
UPDATE AVAILABLE
viewer for the new "Tile Grids" beta program
To view files created with the new beta-release program you will need an updated Viewer program from the link below
updated Viewer program