4D Graphics Inc.
P.O. Box 817
Langley, WA 98056
Tel: 360-321-4343
BBS/Fax: 360-321-8367

4D Graphics has been the development home of Personal Designer since 1983. This is a "must see" Web site for Personal Designer and microDRAFT users!

4D Graphics Web Site

CADtools
1408 Bunker Lane
Lady Lake, FL 32162
Tel: (321) 206-8030

CADtools develops CAD database utilities, including the ckCAD product for CADDS®. CADtools was founded by Larry Lande; the original author of Computervision's oscadds and validate_db products.

CADtools Web Site

COMSA GmbH
Werner-von-Siemens-Str. 13
82140 Olching, Germany
Tel: (GERMANY)-8142-48360
Fax: (GERMANY)-8142-40924

COMSA develops software products which read the Medusa database directly. ViewStation is View, Print and Markup utility which allows View & Markup of Medusa drawing sheets, as well as several other raster formats. Medusa/pcWin is a complete CAD system that can read and write Medusa drawings.

COMSA Web Site