WordPress
A WordPress plugin with a booking block and shortcode; bookings stay in your database.
Payments go to your own accounts, calendars stay in sync, and video links are made for you. Every connection runs from your own WordPress website.
Bookings appear in Google Calendar, and busy times there are blocked.
Bookings appear in Outlook, and Outlook busy times are blocked.
Bookings on your iPhone and Mac; iCloud busy times are blocked.
A Zoom meeting made for each online booking, in your own account.
A Teams meeting for each online booking, from your Microsoft account.
A Google Meet link for each online booking, from your Google account.
On the roadmap: WhatsApp reminders through your own business account.
On Pro, connect with webhooks and API keys; a Zapier app is on the roadmap.
Start on the free plan, with no booking limit. Upgrade only when you need to.