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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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 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.
Free tier offers 30,000 emails/month for the first 30 days, then 100 emails/day, with real‑time analytics.
Free plan provides 6,000 emails/month (200/day) and basic email builder with limited automation.
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.
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.
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.