Calamus

Calamus is a desktop publishing application developed by invers Software, originally for Atari computers. It has a native CDK (for Calamus Document or Calamus Dokument) document format, and many other file formats.

Identification
Some or all CDK files begin with.

Related formats
Calamus formats described in other articles:
 * Calamus Font
 * Calamus Raster Graphic
 * Calamus Vector Graphic

Sample files

 * http://cd.textfiles.com/suzybatari2/new_file/extras/dtp/calamus/ → *.cdk
 * http://cd.textfiles.com/cubase/HELP/ATARI/MANUAL.EXT/CALAMUS.CDK/
 * https://telparia.com/fileFormatSamples/document/calamusDocument/

Links

 * Calamus (DTP)
 * invers Software
 * List of Calamus formats