TidyCal

TidyCal kills the scheduling email tennis by letting people book directly into your calendar slots. Connect Google Calendar or Outlook, set your working hours and buffer times, then share a link. People pick a time that works, you get a confirmation, and that's it. It handles timezone conversion automatically and lets you create different booking types for different services, which matters if you run coaching calls and discovery meetings at different lengths. The catch is the subscription model: even if you only schedule occasionally, you're paying ongoing costs. It's for freelancers, consultants, and small business owners who book enough meetings to justify that expense. If you schedule just a handful of calls each month, a free scheduling tool makes more sense.