FollowUpThen!

Gmelius offers an intuitive and simple way to make Gmail the way you want it. Install it, activate the features you need in the options screen and Gmelius will do the rest.

FollowUp.cc was created to let people attach reminders instantly to any email. Since then, users have been scheduling their to-do list, scheduling tasks for others and keep conversations on track!

Yesware is an all-in-one sales toolkit. Track emails and presentations, create templates, log calls to CRM, and more, right from your inbox.

Accurate email tracking, automated followups, prospecting, mail merge, meeting coordination, sendlater, snooze, undo, and snippets for Gmail.

SalesHandy is sales engagement platform. It provides email tracking, mail merge, document tracking & email scheduling. It allows user to send mass personalized email using mail merge, from gmail or their own SMTP servers.

Save a lot of time on online prospecting. A lot, really...

Never-Forget.me is a delayed messaging service allowing you to compose email messages that remain unsent as long as you click a link, at a recurring interval you specify, to continue to postpone the sending of your message.

Schedule Emails in Gmail To Be Sent LaterRight Inbox integrates seamlessly with Gmail and lets you schedule your emails to be deliveredat a future time

SendRecurring is a web based tool for scheduling email and text reminders. It makes it easy to keep yourself or a group of people aware of anything important.

A chrome extension that you press to remind of you a tab later

Rebump sends friendly follow-up messages to your email recipients for you. These automated emails are customized to appear as if you sent the email yourself. You can track and analyze all of your follow-up emails with your Rebump account.

Automatic email and text message reminders. Just tell Reminder Hero what you want to be reminded of, and when - in plain English. It'll do the rest!

Laytr is the easiest way to defer emails. It lets you schedule outgoing correspondence, snooze incoming e-mail and set reminders of important messages.

Send or forward email to [email protected], e.g. [email protected] and the email will come back to you N days later.Attachments will be dropped. The time used is UTC, so if your timezone is UTC-6, you'll actually get the email back at 6pm the night before.