Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Cirrus Insight - Respond to Customers Faster and Update Salesforce from Your Inbox with Cirrus Insight. Start your free 14-Day trial today! No Credit Card Required.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Woodpecker - Legal document automation for solo & small firms. Simple to use, works in Word, connects to everything.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Close - A CRM with built-in calling, SMS, and email