Unsend

Open source sending infrastructure

Unsend is an open-source platform designed for developers to send transactional and marketing emails, SMSes, and push notifications effortlessly. It serves as an alternative to tools like Resend, Mailgun, Sendgrid, and Postmark, offering easy integration and no-code solutions. Ideal for businesses looking to manage their communication channels efficiently, Unsend allows users to focus on content while handling subscriptions and engagement tracking.