nylas-mail
The premium Open Source alternative to Superhuman
🎯 Best for:Developers who want to customize their email workflow via code.
What is nylas-mail?
Replaces proprietary desktop email clients with a modular, plugin-based architecture. Built on Electron and React, allowing developers to write custom mail extensions using JavaScript.
Tech Stack
JavaScriptEmail Clients & Services
Why nylas-mail?
- • Modern web-tech stack
- • Extensive plugin API
- • Clean user interface
Limitations
- • High memory usage
- • Project is currently archived
- • Sync engine complexity
1/22/2026
Last Update
1,365
Forks
1,002
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to nylas-mail instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Superhuman)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%