On the opposite side of the spectrum, there's Chuck Moore (Forth creator) who in trying to find the simplest combination of software and hardware for his projec

On the opposite side of the spectrum, there's Chuck Moore (Forth creator) who in trying to find the simplest combination of software and hardware for his projects devoted a lot of time into a DIY VLSI CAD system. Fascinating history behind it, although the actual OKAD system is essentially trade secret for his company. His site has been down for a while, but someone thankfully mirrored most of the pages here: https://colorforth.github.io/vlsi.html https://colorforth.github.io/vlsi.html More history about OKAD, plus links to more about Forth both software and hardware: http://www.ultratechnology.com/okad.htm http://www.ultratechnology.com/okad.htm