MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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.
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.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Basecamp - A simple and elegant project management system.