Copydue - Top writers, on-demand for as low as $150/mo
Cognifyd - The smart editor that helps you write business content
Mailbutler - Mailbutler adds lacking functionality to email clients and increases your productivity
EditMyPaper.ca - Fast and accurate English editing for essays, general papers, research papers and manuscripts.
ArticleBunny - Get fast, professional articles at an affordable price
PostScripting - Proofreading and editing done right