VisualAge/IBM/OTI/Instantiations Smalltalk
VisualAge for Smalltalk Handbook Volume 1: Fundamentals - basically OTI/IBM Smalltalk manual
Current non-IBM product documentation It’s still a pretty impressive product - Though I have no love for the graphical application builder.
This is the manual for the current equivalent of the ENVY configuration management system.
Handling team software components It’s not pretty, or a tutorial. Disappointing documentation. I wouldn’t teach a class from this… If you are lucky you’ll run into screen-shots.
Mastering Envy Developer is the best book available.
The widgetKit was the only Greatest Common Denominator cross-platform widget system I have seen. Every platform supported every widget from every other platform. Looked and behaved as native widgets.
Some of the staff of OTI rescued their Eclipse project from IBM which was wanting to trash it. The chairman of the foundation, Mike Milinkovitch is ex-OTI.