Postal
Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.
Open tool profileAlternative target
A curated collection of the best open source alternatives to MailerSend. Each listing includes a website screenshot along with a detailed review of its features.
Tools
Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.
Open tool profilePlunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
Open tool profileOpen source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.
Open tool profile00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.
Open tool profileSelf-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Open tool profileTrack SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Open tool profileBuild email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.
Open tool profile