bunmail

The premium Open Source alternative to SendGrid

🎯 Best for:Developers needing a high-performance, cost-effective way to send transactional emails.

What is bunmail?

Replaces expensive third-party email APIs with a self-hosted Bun-based service. Provides a developer-centric API for sending emails without per-message costs or vendor lock-in.

Tech Stack
TypeScriptBackend & Auth

Why bunmail?

  • High-speed Bun runtime
  • Simple API design
  • No subscription fees

Limitations

  • Requires SMTP management
  • No visual template builder
  • Self-managed IP reputation
4/26/2026
Last Update
0
Forks
24
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to bunmail instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on SendGrid)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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