Copydue - Top writers, on-demand for as low as $150/mo
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Mailbutler - Mailbutler adds lacking functionality to email clients and increases your productivity
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
ArticleBunny - Get fast, professional articles at an affordable price
Slack - A messaging app for teams who see through the Earth!