Does the job!
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
Email Verifier - Email verifier app lets you verify email.
Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.