Followup.cc
FollowUpThen
Gmelius
Boomerang for Gmail
Onesheet CRM
Right Inbox
Mailbutler
Freshsales CRM
InformaCast
Rave Alert
DialMyCalls
Call-Em-All
RedFlag
Honeywell Instant Alert
SnapComms
Omnigo
Followup.cc InformaCastBased on our record, Followup.cc seems to be more popular. It has been mentiond 1 time since March 2021. 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
FollowUpThen - The simplest way to schedule an email reminder
Rave Alert - Rave Alert is a multi-modal emergency notification system used by state and local governments, colleges, hospitals and universities.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
DialMyCalls - The easy to use mass and emergency notification platform. Send a phone call, text message or e-mail to your entire list of people in seconds.
Boomerang for Gmail - Boomerang for Gmail is a Firefox / Chrome plugin that lets you take control of when you send and receive email messages.
Call-Em-All - Call or send messages to friends and family members as well as other people who are online. The app allows you to create a message and send it out to multiple devices and pages.