Reid Phillips founded a company around Smalltalk after learning about it as a salesman. I joined, worked for their client in California, but never moved to the home office in North Carolina.
Hot Draw Clone with a number of low level improvements like careful common structure management. This would be used by HP and several other clients after I left.
Baker Space chaotic computation written as a draw module and documented in a home-made word processor that managed paragraphs and drawings specifically avoiding page layout issues.
I have vivid memories of working in the HQ temporary office space in Lincoln Towers. My computer was an HP workstation running Parc Place Smalltalk. Two more things that were brand new in my new job.
I had a vision of simple tooling that would make Smalltalk useful in an end user environment. A modular drawing editor was the obvious first step.