listmonk
High performance, self-hosted newsletter and mailing list manager
Founded
2019
Starting Price
$0
Category
Email Marketing
Last updated April 27, 2026
About listmonk
listmonk is a free and open source self-hosted newsletter, mailing list manager, and transactional mail platform. Packed into a single binary written in Go and backed by PostgreSQL, it delivers high-throughput email sending with multi-threaded queues, advanced subscriber segmentation, and a modern admin dashboard.
Pros & Cons
Pros
- Completely free with no subscriber or email limits
- Extremely lightweight single binary with minimal resource usage
- Full data ownership and privacy with self-hosting
- High-performance multi-threaded email sending
- Powerful SQL-based segmentation for advanced targeting
Key Features
High-Performance Email Queues
Multi-threaded, multi-SMTP email queues with configurable throughput and sliding window rate limiting
Subscriber Management
Import and manage subscribers via CSV or API with single or double opt-in and custom attributes
SQL-Based Segmentation
Create dynamic subscriber segments using powerful SQL expressions for precise targeting
Go Templating Engine
Build dynamic email templates with the Go templating language, supporting expressions, logic, and 100+ functions
Transactional Email API
Send arbitrary transactional messages to subscribers via pre-defined templates through a simple API
Campaign Analytics
Track opens, clicks, and bounces with aggregate stats and simple visualizations
Multi-Channel Messaging
Send messages via email, SMS, WhatsApp, or any medium through pluggable Messenger interfaces
Pricing
Self-Hosted
$0
- Unlimited subscribers
- Unlimited campaigns
- Unlimited lists and segments
- Full API access
- Multi-SMTP support
Best For
Developer Newsletters
Technical teams and developers who want full control over their newsletter infrastructure without SaaS costs
Privacy-Focused Email Marketing
Organizations that need to keep subscriber data on their own servers for compliance or privacy requirements
High-Volume Transactional Emails
Applications needing to send transactional messages like receipts, notifications, and alerts via API
Community and Open Source Projects
Open source projects and communities that need a free mailing list manager with modern features
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