Is there something similar to Boomerang for Apple Mail?

In many ways mailbutler (MailButler - Your personal assistant for Apple Mail.) gives you the functionalities of Boomerang inside the Mac mail app itself, including tracking, scheduling, sender profiles, etc. However it does not offer the A.I. capabilities of Boomerang Respondable. read more

Boomerang (sometimes referred to as Boomerang for Gmail, Boomerang for Mobile, Boomerang for Outlook) was added by tabakis in Feb 2011 and the latest update was made in Oct 2017. The list of alternatives was updated Apr 2018 There is a history of all activites on Boomerang in our Activity Log. read more