Workona - A better way to work in the browser.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
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.
Session Buddy - Manage Your Browser Sessions
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.