MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Emojicom.io - Capture your visitors emotions
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.
Feedback Lane - Feedback Lane lets you add a feedback widget to your website that's connected to a Notion table in your workspace.Make it easy for customers to send you feedback, then manage that feedback where you manage your business (Notion!)
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Sleekplan - Embedded customer feedback management made for SaaS - The most sleek solution to collect and manage user feedback, keep a changelog and know your customers' needs.