Reloop
vsResend
Best Resend Alternative
Open-source email infrastructure with the same developer DX as Resend—plus self-hosting, campaigns, and agent workflows.
Why teams switch from Resend
- Apache 2.0 open-source codebase you can audit and self-host
- Campaigns, SMTP relay, and agent inbox—not just transactional API
- Same REST API ergonomics with official SDKs for every major language
- Hosted by Reloop Labs or deploy on your own infrastructure
Ownership
Read the source, run your own stack, or use hosted—your data, your choice.
One platform
Transactional, marketing, and AI agent email without adding vendors.
Transparent pricing
Free tier to start; self-host for unlimited sends on your hardware.
Try the Resend alternative
Migrate in an afternoon with SDKs and SMTP compatibility.