opensend.cc is an open source email platform that you self-host on your own server. It sends through your own AWS account, so your domain, data, and sender reputation remain under your control. The platform provides a REST API and SDK, SMTP support, templates, broadcasts, automations, audiences, webhooks, and logs, and can be installed with a single command. It is Resend-compatible, so teams already using Resend can migrate by changing two lines of code.
opensend.cc
The open source email platform that runs on your server
opensend.cc Introduction
Key Features
- Self-hosted open source email platform that runs on your own server
- Sends through your own AWS account to keep your domain and sender reputation
- REST API and SDK with SMTP support
- Email templates, broadcasts, automations, and audiences
- Webhooks and logs for monitoring email activity
- One-command installation
- Resend-compatible API for easy migration
- No per-email pricing and no feature gates
Use Cases
- Sending transactional emails from your own infrastructure
- Managing marketing broadcasts and automated email flows
- Migrating from Resend while keeping existing code
- Maintaining ownership of domain data and sender reputation
- Integrating email into applications built with Next.js, Convex, or Better Auth
Why Startups Use It
Startups that care about data ownership and sender reputation can run opensend.cc on their own infrastructure, send through their own AWS account, and avoid per-email pricing. The Resend-compatible API, REST and SMTP support, and one-command install make it straightforward for small engineering teams to adopt without rewriting existing email code.
Alternative Options
Resend, SendGrid, Mailgun, Postmark
Frequently Asked Questions
What is opensend.cc?
opensend.cc is an open source email platform that runs on your own server and sends through your own AWS account.
Is opensend.cc free to use?
opensend.cc is open source with no per-email pricing and no feature gates. Hosting and AWS sending costs depend on your own infrastructure and AWS account.
Can I migrate from Resend?
Yes. opensend.cc is Resend-compatible, so the listing states you can change two lines of code and keep your existing code.
How do I install opensend.cc?
According to the listing, it can be installed with one command on your own server.
More About opensend.cc
PricingPaid
Listed DateOct 05, 2026
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