TidyCal

I really like it! This offers (almost) everything I want from my calendar! The one thing I wish it had (or perhaps I'm simply unsure how to do this) is that I wish it would give the option for a phone call and require the person booking the appointment to type in their number (I don't want it to give the booker my number because it confuses things. I want them to know I'll be calling them, not the other way around.). That's really the only thing that's stopping me from giving 5/5 stars. Otherwise, I love it and will definitely continue using!