Free Alternative to Mailchimp
3 free & open-source projects that replace Mailchimp.
Compare at a Glance
| vs Mailchimp |  listmonk |  BillionMail |  mautic |
|---|---|---|---|
| Stars | 24k | 16k | 11k |
| Forks | 2.6k | 1.7k | 3.5k |
| Contributors | 30 | 15 | 30 |
| Last Commit | Mar 6, 2026 | Jun 11, 2026 | Mar 6, 2026 |
| License | AGPL-3.0 | AGPL-3.0 | GNU GPL 3.0 |
| Language | Go | Go | PHP |
Tired of expensive Mailchimp subscriptions? It's time to take control of your email marketing strategy.
BillionMail offers a complete open-source solution for email servers, marketing, and newsletters. It's fully self-hosted, giving you total control over your data and campaigns. Built with developers in mind, it integrates seamlessly into your existing infrastructure, ensuring flexibility and performance.
- 📧 Self-hosted mail server
- ✉️ Email marketing campaigns
- 📰 Newsletter creation
- 🛠️ Developer-friendly API
- 💰 Zero monthly fees
Enjoy advanced features without any monthly fees or hidden costs. BillionMail is free forever, empowering you with enterprise-grade email capabilities on your own terms.
Discover the power of self-hosted email marketing and take control. Learn more and get started at: https://fossy.dev/Billionmail/BillionMail
