Plunk

Plunk consolidates all your email needs into a single, open-source platform that handles marketing campaigns, transactional messages, and broadcast communications seamlessly.

Key advantages:

• Unified solution - No more juggling multiple email tools with different APIs, interfaces, and pricing models
• Transparent pricing - Pay only $0.001 per email sent, significantly cheaper than competitors like Mailchimp ($0.004), SendGrid ($0.002), or Mailgun ($0.003)
• EU-based privacy - All data hosted, stored, and processed within the European Union for maximum privacy protection
• Open-source transparency - Full visibility into the platform's code and operations

Core features include:

• Automated actions for powerful, repeatable email workflows
• Transactional emails with fast, reliable delivery for critical communications
• Campaign management for newsletters and broadcast messaging
• Responsive email editor that ensures compatibility across all clients, including Outlook

The platform offers 3,000 free emails monthly with no credit card required, making it accessible for businesses of all sizes. Over 1,000 companies already trust Plunk for their email communications, praising its intuitive interface and straightforward setup process.