Best Self-Hosted Resend Alternatives in 2026
Resend is a modern email API for developers with React-based email templates and reliable delivery.
11 Self-Hosted Alternatives to Resend
Listmonk
19KSend e-mail campaigns and transactional e-mails. High performance and features packed into one app
Postal
16KA fully featured open source mail delivery platform for incoming & outgoing e-mail
Billion Mail
14KReleased under AGPL-3.0, Billion Mail provides email marketing platform on self-hosted infrastructure.
Plunk
4.9KPlunk is a self-hosted email & newsletters replacement for Mailchimp, Mailgun, and more.
useSend
4.1KUseSend handles email platform for transactional and marketing emails. Self-host or use cloud service as a self-hosted solution.
Sendportal
2.1KReleased under MIT, Sendportal provides email marketing platform offering unlimited subscribers on self-hosted infrastructure.
Sendune
2.1KSendune is a self-hosted automation & workflow tool that provides comprehensive platform for managing transactional and marketing emails through AWS SES.
Notifuse
1.9KSelf-hosted email servers tool that provides email platform for newsletters and transactional emails. alternative to Mailchimp.
DoubleZero
1.2KDoubleZero is a Elixir-based application that provides 00 is an email API and infrastructure solution.
Hyvor Relay
549Hyvor Relay is a self-hosted email servers tool that provides email API alternative to AWS SES & Mailgun. AGPL-3.0.
Hyvor Post
26Released under AGPL-3.0, Hyvor Post creates and send newsletters on self-hosted infrastructure.
Why Look for Resend Alternatives?
Resend is a modern email API for developers with React-based email templates and reliable delivery.
Pricing
Here’s what Resend charges for its plans:
Free --- Custom pricing
- Daily Limit
Pro --- Custom pricing
Scale --- Custom pricing
Enterprise --- Custom pricing
Self-hosted alternatives eliminate these recurring costs entirely. You pay only for your own infrastructure.
11 Best Open-Source Alternatives to Resend
Listmonk
Self-hosted newsletter and mailing list manager. — 19,276 GitHub stars. Licensed under AGPL-3.0.
Billion Mail
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution. — 13,683 GitHub stars. Licensed under AGPL-3.0.
Postal
Fully featured mail delivery platform. — 16,398 GitHub stars. Licensed under MIT.
Plunk
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes. — 4,912 GitHub stars. Licensed under AGPL-3.0.
useSend
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent. — 4,051 GitHub stars. Licensed under AGPL-3.0.
Notifuse
Platform for sending newsletters and transactional mail — 1,884 GitHub stars. Licensed under Custom.
Sendune
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation. — 2,094 GitHub stars. Licensed under MIT.
Hyvor Relay
E-mail API for developers — 545 GitHub stars. Licensed under AGPL-3.0.
Sendportal
Manage newsletters affordably with open-source software. — 2,112 GitHub stars. Licensed under MIT.
DoubleZero
00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack. — 1,243 GitHub stars. Licensed under AGPL-3.0.
Hyvor Post
Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites. — 26 GitHub stars. Licensed under AGPL-3.0.
Why Self-Host Instead of Resend?
- Data ownership. Your data stays on your server, not on Resend’s infrastructure.
- Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- No vendor lock-in. Export and migrate your data anytime. You control the database.
- GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Why teams switch from Resend
- → Data ownership. Your data stays on your server -- not on Resend's infrastructure.
- → Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- → No vendor lock-in. Export and migrate your data anytime. You control the database.
- → GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Head-to-Head Comparisons
Listmonk wins on cost and performance. Mailchimp wins on ease of use and built-in features. If you send newsletters and your list is growing, Listmonk saves thousands per year.
Mautic for full marketing automation (email sequences, lead scoring, landing pages, CRM). Listmonk for high-performance newsletter sending with minimal overhead. Different tools for different needs.
Both Novu and Listmonk are strong open-source options in the email space. Novu has 39k GitHub stars and Listmonk has 19k. Compare their features, deployment, and community to choose the right fit for your needs.
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