Followup.cc
FollowUpThen
Gmelius
Boomerang for Gmail
Right Inbox
Onesheet CRM
Mailbutler
SendRecurring
Snailbox
Inbox When Ready
Gmail Focus
Minutemailer
MergeKnob
Boomerang for Gmail
Seshy
Moodly
Followup.cc SnailboxSnailbox might be a bit more popular than Followup.cc. We know about 1 link to it since March 2021 and only 1 link to Followup.cc. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I'll update this if I find more. For now, this seems to be a partial solution. It's a Gmail add on (except I don't use Gmail) that adds reminders. The options when setting reminders include cancelling it if someone replies, and to remind everyone in the thread. If you combine those two, it seems like — if you use Gmail's web client and have $23/month you're dying to get rid of — a decent way to add the feature. Source: over 1 year ago
Ryan Strickler Launched SnailBox on ProductHunt and stood at #3 on Product of the day. Source: over 1 year ago
FollowUpThen - The simplest way to schedule an email reminder
Inbox When Ready - Protect your focus... hide your Gmail inbox by default
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Gmail Focus - A Chrome extension to focus on your email
Boomerang for Gmail - Boomerang for Gmail is a Firefox / Chrome plugin that lets you take control of when you send and receive email messages.
Minutemailer - Email Marketing. Simplified.