3 free email marketing apps to use instead of Mailchimp by Intuit
The best free alternative to Mailchimp is listmonk. Very lightweight and sends millions of emails; you only pay for SMTP.
Other great options: Mautic and Brevo.
Quick pick: For sending large newsletters cheaply: listmonk with SMTP or Amazon SES. No installation: Brevo on its free plan.
Reviewed November 2026 against each vendor's official website.
Free plans and trial lengths are set by the vendor and can change. Check the official website before signing up.
Nothing matches this filter.
Very lightweight and sends millions of emails; you only pay for SMTP.
Very lightweight open-source newsletter tool that manages lists of up to millions of subscribers. It sends through SMTP or Amazon SES.
Platforms: Self-hosted
Marketing automation with campaign flows and lead scoring.
Open-source marketing automation: email, segments, lead scoring and nurture campaigns.
Platforms: Self-hosted
300 emails a day for free with unlimited contacts.
Email marketing service (formerly Sendinblue) whose free plan sends 300 emails a day to unlimited contacts.
Platforms: Web
| App | Type | Platforms | Ease of use | GitHub stars |
|---|---|---|---|---|
 listmonk | Open source | Self-hosted | Technical setup | 24,194 |
 Mautic | Open source | Self-hosted | Technical setup | 10,951 |
 Brevo | Freemium | Web | Easy to use | — |
Open source: anyone can use, study and modify it, including businesses. Free: no cost, but the code is closed. Freemium: a lasting free plan with paid tiers for extra features. Source available: code is public but the license adds conditions.
The most popular picks are listmonk, Mautic and Brevo. For sending large newsletters cheaply: listmonk with SMTP or Amazon SES. No installation: Brevo on its free plan.
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