MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Habit List - Create good habits and break bad ones with the app that keeps you focused.
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.
Momentum - Agile goal and performance management
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Streaks - The to-do list that helps you form good habits.