I'd think the ideal "magical" UX would be: - Have some "global self-hosted sass installer service" pre-installed and running - Visit someselfhostedsaas.com

I'd think the ideal "magical" UX would be: - Have some "global self-hosted sass installer service" pre-installed and running - Visit someselfhostedsaas.com - it detects that you don't have their software installed yet - It automatically initiates a download and installation. User is shown a loading screen. Doesn't even need to be different than your standard SPA spinner. - Once installation is complete, the app/local-site automatically opens. User is off to the races I can't be the first one envisioning this, and I'm sure there's been work done in this area?