What it is:
Cenon is a graphical tool of a special kind. Build upon a modular graphical
core, Cenon offers a wide variety of possibilities and applications – not
only Desktop Publishing. The best of all, Cenon is free software, available
with full source codes, and at home on many computer platforms.
Convert, import and export DXF, PostScript, Adobe Illustrator, DIN formats,
HPGL, Gerber and PDF.
To know more about:
To install in Ubuntu:
sudo apt-get install cenon.app