A program that reads a HPGL drawing and
controls
steppermotors connected to parallel pc port
For stepper motor driven XY(Z) engraving /
milling
/ router tables
For Hobby use
System Requirements: a PC 80386 and up, With
DOS (or Windows)

Above screenshot
Believe it or not, it is a DOS program ;-)

Dot peening engraving in stainless steel

STepDP, Simple Text Engraving Program Dot Peening Video
Easy to use Industrial Text Engraving