Mia - Virtual assistant for meetings
SendLater - Email scheduler for Mac Mail.
Email Studio for Gmail - Send personalized emails, schedule emails directly in Gmail
SndLatr - SndLatr is a Gmail plugin that makes it easy to schedule emails to be sent automatically at a later time.
Julie Desk - Virtual assistant using AI to schedule your meetings
The Top Inbox - The Top Inbox for Gmail helps to schedule emails to be sent later, set reminders in the inbox and follow up with email sequences.