lucia

The premium Open Source alternative to Clerk

🎯 Best for:Developers who want to build their own auth UI but need a secure session management backend.
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What is lucia?

A lightweight alternative to Passport.js or Clerk that focuses on session management rather than UI. It provides a database-agnostic API to handle user sessions and authentication without enforcing a specific schema.

Tech Stack
UnknownBackend & Auth

Why lucia?

  • Simple and clean API
  • Framework agnostic
  • Strong TypeScript support

Limitations

  • No built-in UI components
  • Requires manual DB setup
  • Smaller ecosystem than Next-Auth
3/5/2026
Last Update
524
Forks
23
Issues
0BSD
License
Financial Leak Detected

Stop the "SaaS Tax"

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

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

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