A waitlist for fully booked Calendly events that automatically notifies waiting clients when a slot becomes available
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Stage
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Founded
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Based in
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SE
Pricing model
Free trial
Freemium
Pricing
$15 per month after a 14-day free trial with no card required. One plan covers one Calendly account with waitlists for all event types, instant email offers on every cancellation and reschedule, day and time preferences for clients, and a dashboard showing slots refilled from the waitlist.
Yearly: $9.99/year (cancel anytime); Lifetime: $24.99 one-time payment. Both plans include every feature and work on up to 3 Macs.
Key features
Automatic cancellation and reschedule detection through Calendly webhooks
Instant email notifications to waiting clients with direct booking links
Client preference selection for specific days and times
First-come-first-served booking with fallback page for missed slots
Dashboard with waitlist metrics and refill tracking
Shareable waitlist link with badge and QR code options
Automatic minimum 60-minute notice for slot offers
Secure OAuth login without exposing Calendly password
One-click unsubscribe link in every email notification
Automatic waitlist removal when clients book successfully
Unload idle browser tabs in Chrome, Safari, Brave, Edge, Arc and other browsers
Calm background CPU hogs without quitting them
Clean up tabs left behind by AI agents
Offload unused apps to save disk space
Live dashboard showing memory and CPU stats
Memory autopilot for automatic tab sleeping
Works on up to 3 Macs per license
Silent auto-updates
Minimal resource usage
No admin password required for normal use
What makes it different
Works directly with Calendly without requiring a separate booking page
Respects client scheduling preferences to send only relevant offers
Fills cancelled slots faster than manual follow-up through automated emails
Never closes your apps or tabs, only unloads idle tabs that reload instantly when clicked
Uses only standard macOS and browser features, no system changes or kernel extensions
Automatically cleans up tabs abandoned by AI agents after 8 hours
WaitlistPing
Mac Ninja