“OAuth is a great idea for interaction between big sites with lots of users. But, as one of those users, it’s a pretty terrible way to get at your own data. That’s where foauth.org comes in.” Use HTTP Basic to access OAuth-protected data via a proxy-API.
“Notify.io is your global web notification system. Real-time notifications of events from the web, under your control.” Hooks into Growl and other notification systems, accepts triggers via Web Hooks and Comet Stream