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.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Slack - A messaging app for teams who see through the Earth!
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.