Unsend

Unsend is an open source alternative to traditional email services like Resend, Sendgrid, and Postmark. It streamlines sending transactional, marketing emails, SMS, and push notifications, making communication effortless for developers.

Unsend is the open source alternative to:

Customer.io

Mailchimp

SendGrid

Loops

About Unsend

Unsend provides a robust sending infrastructure that enables developers to integrate email, SMS, and push notification functionalities in minutes. It features a straightforward API, simple configuration, and practical code examples for various programming languages, ensuring your messages reach the inbox, not the spam folder.

Key Features

Effortless setup for transactional emails
Reliable inbox delivery with bounce and complaint notifications
No-code email builder with versatile templates
Click and open tracking for actionable engagement insights
Supports SMS and push notifications alongside emails

Summary

Unsend merges developer-friendly integration with essential messaging features, offering a comprehensive platform for managing both transactional and marketing communications. Its open source nature provides full control and flexibility for versatile messaging needs.

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