Listmonk is a free and open source email marketing and newsletter platform that you install and run on your own server. Built on Go, VueJS, and PostgreSQL, it provides self-hosted alternatives to services like Mailchimp with scalability and customization.

Listmonk is a fully open source newsletter and mailing list manager designed for developers and technical teams. It features powerful and dynamic email templates, SQL-based segmentation, multi-SMTP configurations, high-speed subscriber imports, robust analytics, and the ability to send WhatsApp messages, SMS, and FCM notifications. The software is highly scalable with multi-threaded email queues supporting super-fast newsletter distribution.
Email Marketing Software - Supercharge Your Email Campaigns
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Starting Price
Mailjet is a French email marketing platform founded in 2010 and now owned by Sinch. It provides a cloud-based solution for designing, sending, and tracking both marketing and transactional emails with email automation capabilities.
All-in-one marketing automation and CRM platform
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HubSpot Marketing Hub is a comprehensive marketing automation and CRM solution that combines email marketing, landing pages, ads management, and customer relationship management tools for businesses of all sizes.
B2B marketing automation platform for simplifying strategy
Plezi is a marketing automation solution designed to make life simpler for marketers. It's a B2B marketing automation platform that helps marketers easily structure their strategy and sustainably generate qualified leads for sales reps.