email-spell-checker

The premium Open Source alternative to Mailgun

🎯 Best for:Web applications requiring high-conversion signup forms.

What is email-spell-checker?

Replaces expensive server-side validation APIs with a lightweight client-side TypeScript library. It utilizes a 1.9 KB footprint to detect common domain typos and suggest corrections in real-time.

Tech Stack
TypeScriptFrontend & Headless CMS

Why email-spell-checker?

  • Zero latency
  • Extremely small bundle size
  • No API keys required

Limitations

  • No SMTP verification
  • Limited to syntax/typos
  • Requires client-side JS
2/18/2026
Last Update
14
Forks
17
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to email-spell-checker instantly boosts your runway.

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

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