What are the best free email automation tools in 2026?
Quick Answer: The top free email automation tools in 2026 are Brevo (300 emails/day free, unlimited contacts), Mailchimp (500 contacts, 1,000 sends/month), MailerLite (1,000 contacts, 12,000 emails), HubSpot (2,000 marketing emails/month), and Sender (2,500 contacts, 15,000 emails). Brevo and MailerLite offer the most generous free tiers for small lists with active sending.
Best Free Email Automation Tools in 2026
Free email automation tools let early-stage teams send newsletters, welcome sequences, and transactional emails without a subscription. Limits vary on contacts, monthly sends, and automation depth.
Brevo — Unlimited Contacts, Daily Send Limit
Brevo (formerly Sendinblue) allows unlimited contacts on the free plan, with a 300 emails/day cap.
- Unlimited contacts
- 300 emails/day (9,000/month)
- Marketing automation included (up to 2,000 contacts in automations)
Mailchimp — Classic Free Plan
Mailchimp's free plan covers 500 contacts and up to 1,000 sends/month with basic automation (single welcome automation).
- 500 contacts, 1,000 sends/month
- One-step welcome automation only
- Mailchimp branding in footer
MailerLite — Balanced Free Plan
MailerLite allows 1,000 contacts and 12,000 emails/month with multi-step automation on the free plan.
- 1,000 subscribers, 12,000 emails/month
- Multi-step automation included
- Drag-and-drop editor
HubSpot — Free CRM with Marketing
HubSpot's free Marketing Hub includes 2,000 marketing emails/month and basic email automation tied to the CRM.
- CRM included
- 2,000 marketing emails/month
- Limited automation on free tier
Sender — Generous for Small Senders
Sender allows 2,500 contacts and 15,000 emails/month on its free plan with full automation features.
- 2,500 subscribers, 15,000 emails/month
- Automation workflows included
- SMS add-on
Summary Table
| Tool | Free Contacts | Free Monthly Emails | Automation |
|---|---|---|---|
| Brevo | Unlimited | 9,000 (300/day) | Multi-step |
| Mailchimp | 500 | 1,000 | Single welcome |
| MailerLite | 1,000 | 12,000 | Multi-step |
| HubSpot | Contacts unlimited | 2,000 | Limited |
| Sender | 2,500 | 15,000 | Multi-step |
All figures as of April 2026 and subject to provider changes.
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