I gave this app a spin today and I really like what they're going for. Unfortunately, I use Fastmail for email and calendars so I can't take advantage of one of

I gave this app a spin today and I really like what they're going for. Unfortunately, I use Fastmail for email and calendars so I can't take advantage of one of the key features. I hope they add support in the future. It's a fresh take and I'd be willing to give it a serious try if I could sync my email and calendar!