ARTIS 4.0 for TOS (Atari ST/STE/TT)

This is about the beginnings of ARTIS Software:

Two friends just finished high school, waiting for college to begin.
Hey, lets write a really cool painting software! :-)

And so we did.

Here it is: ARTIS 4.0 (english version)

Some ATARI Emulators for the Mac:
(I did not get it to run on any of these, but maybe you are more clever)

An ATARI Emulator for the PC (Windows and Linux version available):
(I did get it to run on the Windows version)