Zipcar ran on this until recently.
I hope for zipcar’s sake that Oracle was reasonable about the licensing fees…
https://www.cio.com/article/244398/qanda-zipcar-founder-robi...
Zipcar was a Boston company that was founded around the same time in the same milieu as Arsidigita and adopted AOLserver since it provided such incredible performance.
I'm a bit surprised they ran it for so long but it makes sense. Many of the concepts that made it so compelling at the time remain quite relevant today though the advances in all areas of HW and SW make things like ORM less of a bear than they were those days.