12 Best Open Source Resend Alternatives
A curated collection of the 12 best open source and self-hosted alternatives to Resend in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Resend in 2026? The top open-source alternative is Listmonk — Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres..
Other highly rated open-source Resend alternatives include Billion Mail, Plunk and useSend.
Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.
Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.
Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.
Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.
Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.
Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.
00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.
Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.
Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.
About Resend
The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.