Why use this?

Listmonk is a single-binary application backed by PostgreSQL that manages subscribers, campaigns, templates, and transactional messages. It is designed to send high-volume email efficiently while giving organizations complete control over subscriber data.

It is a strong choice for creators, startups, nonprofits, and enterprises that want a Mailchimp alternative without per-subscriber SaaS pricing or vendor lock-in. Listmonk supports SQL-based segmentation, multi-SMTP queues, analytics, and APIs for transactional messaging. [68]

Key Features

• Newsletter campaigns and one-way mailing lists
• Single and double opt-in subscriber management
• SQL-based segmentation and dynamic Go templates
• High-throughput multi-SMTP delivery queues
• Transactional email, SMS, WhatsApp, and webhook messengers