Smalltalk had a successful niche as server software running complex business domains, eg. oceanic container shipping & routing, and power grid billing. Its leg

Smalltalk had a successful niche as server software running complex business domains, eg. oceanic container shipping & routing, and power grid billing. Its legacy is fading, but continues. The old GemStone/S object database still lives on to this day: https://gemtalksystems.com https://gemtalksystems.com