Smart Compose in Gmail - Write emails faster with Smart Compose in Gmail
EasyEmail - Gmail plug-in that helps you write emails quickly
Text Case - Format any raw text on iOS and more ๐
Missive - Team communication app now supporting FB, Twitter & SMS
Really Good Emails - A large collection of good product email design.
Clean Text for iOS - An essential tool for removing text formatting on iOS ๐ฑ๐