..literally everything that isn't a recent, up and coming B2B SaaS. So >90% of the software written today.
To give but one example, effectively all of the >$300B mobile app market. Or all enterprise software that can't run on Electron. Or any company that cares about image/branding across their products, which is every single company past a certain size (and don't come at me with "but hot AI startup uses Shadcn and are valued at X trillion").