Boomerang Respondable - Write perfect emails with Artificial Intelligence
Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.
Just Not Sorry - Highlight 'weak' words so you can edit them out
Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.
Mailbutler - Mailbutler adds lacking functionality to email clients and increases your productivity
Analyze My Writing - Analyze My Writing is an online text content and readability analyzer.