The GUI parts are or were.

And parts of their patient portal website were still VB6 on the backend a decade ago, not sure that's true anymore. Visual Basic 6 as a web backend.

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SoftTalker 10 hours ago | parent | next [-]

VB was the backend language for the vast majority of original Active Server Pages sites.

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zdimension 6 hours ago | parent [-]

My memory may fail me, but I'm pretty sure ASP used VBScript, not regular VB. Similar syntax but not the same runtime/environment. ASP could use any Active Scripting language (the other language shipped with Windows being JScript, MS's impl of a subset of JS)

	▲	EvanAnderson 3 hours ago \| parent [-]
		You're correct. I did a ton of ASP in JScript back in the day, but VBScript was much more common.

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bitwize 9 hours ago | parent | prev [-]

Here's something that will bake your noodle. Sage 100, the accounting/ERP software, is still to my knowledge written in Business BASIC from the 1970s—specifically the variant that ran on MAI Basic Four minicomputers (just 64 KiB of RAM!). This variant of BASIC was so, as Claude says, load-bearing that several companies emerged to support source-compatible versions on a variety of platforms as the non-mainframe business world evolved from custom-schmustom minicomputers to Unix workstations and PCs. The most common variants today are BASIS International's BBx and BBj (Java), and ProvideX. Sage 100, originally MAS 90 and MAS 200, was an accounting solution originally developed for those 1970s minicomputers and then forward-ported to new platforms as the business landscape evolved.

	▲	EvanAnderson 3 hours ago \| parent \| next [-]
		I dealt with ProvideX code for a Customer who was using an industry-specific customized version of MAS 90. I managed to see some of the source (under NDA) of the customizations and it was fucking horrifying-- line numbers and GOTOs and global variables. It makes my eyes burn a little thinking about it...
	▲	theYipster 5 hours ago \| parent \| prev [-]
		For anyone who has had to touch any desktop version of Sage in 2026, this is not at all a surprise.