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Re:Pharo MOOC by gaius on Wednesday April 04, 2018 @01:43PM (#16757073)
JPMorgan have a fairly serious Smalltalk app http://www.cincom.com/pdf/CS040819-1.pdf

However, only one. Make of that what you will.

Re:Pharo MOOC by ben-coman on Saturday April 07, 2018 @06:55PM (#16783515)
They only have on app because Smalltalk if agile enough they build everything they need into it as the need arises - and this has been maintained over many years.