A delightfully fresh take on email + calendar, from 37signals

While email's continued evolution is significant, what it has retained from the old web sets it apart from the other pretty, convenient apps. Email is an open, interoperable protocol. Someone can use Google's service, spin up a server of her own, or send messages through Microsoft's enterprise software. And yet all of these people can communicate s... See more

All this to say, email has soaked up many of the great things about the current web. It's pretty. It's convenient. Algorithms work over the raw feed to simplify the flow of information. Email, generally, is mobile-friendly and renders beautifully on all devices. These are the things that the current generation of web companies strive to accomplish.... See more

Email is actually a tremendous, decentralized, open platform on which new, innovative things can and have been built. In that way, email represents a different model from the closed ecosystems we see proliferating across our computers and devices.