---
title: "Lucia"
description: "Educational material about implementing authentication and sessions."
pagination: false
---

{/* Generated from content/. Edit the catalog, not this page. */}

<PurposeNote title="Good for">Learning the underlying mechanics of an application-owned authentication system.</PurposeNote>

## What it does

Educational material about implementing authentication and sessions.

## When it fits

Learning the underlying mechanics of an application-owned authentication system.

## Keep in mind

The Lucia library was deprecated in March 2025. Its current site teaches authentication and session implementation.

## Other options in this category

<div data-pagefind-ignore>

- [Auth.js](/auth/auth-js) — Adding provider-based sign-in and session handling to a web application.
- [Auth0](/auth/auth0) — Supporting multiple sign-in providers across web and mobile applications.
- [Better Auth](/auth/better-auth) — Implementing accounts and sessions with an extensible application-owned auth layer.
- [Clerk](/auth/clerk) — Adding account screens and session handling to a React application.
- [FusionAuth](/auth/fusionauth) — Applications that need control over identity deployment and configuration.

</div>

## Source

[Project source for Lucia ↗](https://lucia-auth.com/)

Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.

[Add user accounts →](/tasks/add-user-accounts)

[All authentication &amp; identity options →](/auth)