Top 20 Alternatives to Mailgun Free in Free Marketing Automation Software

Mailgun provides a powerful email API for transactional and marketing emails, but its free tier has limits. Below is a curated list of 20 free‑tier marketing automation platforms that include email sending, automation workflows, and analytics as alternatives to Mailgun's free plan.

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Top Competitors to Consider

All‑in‑one marketing suite with a free plan offering 300 emails/day, SMS, chat, and basic automation workflows.

Popular email marketing tool with a free tier (up to 500 contacts, 2,500 emails/month) and simple automation features.

Free plan supports up to 1,000 subscribers and 12,000 emails/month, plus drag‑and‑drop editor and basic automation.

Robust email API with a free tier of 100 emails/day, plus analytics and simple automation templates.

Scalable email service; free for AWS users (62,000 emails/month when sent from EC2) with pay‑as‑you‑go pricing beyond that.

Free plan provides 100 emails/day, API access, and basic campaign reporting.

#8 Moosend

Free tier includes unlimited emails to up to 1,000 subscribers, with automation workflows and landing pages.

Free plan allows 3,500 emails/month to 500 contacts, with drag‑and‑drop editor and simple autoresponders.

#10 Pepipost

Free tier offers 30,000 emails/month for the first 30 days, then 100 emails/day, with real‑time analytics.

#11 Mailjet

Free plan provides 6,000 emails/month (200/day) and basic email builder with limited automation.

#12 SendPulse

Free tier includes 15,000 emails/month to 500 subscribers, plus web push and SMS capabilities.

Free plan supports up to 1,000 contacts and 4,000 emails/month, with simple automation and reporting.

Mailgun itself offers 5,000 free emails/month for the first 3 months, with API access and logs.

Free plan allows 12,000 emails/month to 2,000 contacts, integrated with Zoho CRM and basic automation.

Free tier includes up to 2,000 emails/month, contact management, and simple workflow automation.

#17 Sender

Free plan provides 15,000 emails/month to 2,500 subscribers, with drag‑and‑drop editor and automation.

Free tier includes API access for transactional emails, up to 12,000 emails/month.

Beyond marketing, Sendinblue offers a free transactional email API (300 emails/day) with SMTP relay.

#20 Postmark

Free trial provides 100 emails/month with high deliverability and detailed logs; useful for transactional use.

Free sandbox environment for testing email sending via API; not for production but great for dev workflows.