Lucia
A simple, clean authentication library for TypeScript projects.
- Stars
- 10.5k
- Forks
- 515
- Licence
- MIT
- Language
- TypeScript
- Last update
- 3 months ago
- Type
- Library
What it is
Lucia is an open-source TypeScript library for handling user authentication, meaning sign-in and session management in web apps. The description calls it simple and clean, and its topics mention OAuth, a common sign-in standard. The README was not provided in usable form, so details beyond this are unknown.
- Adding email or social sign-in to a TypeScript web application
- Managing user sessions in a server-side app
- Implementing OAuth-based login with third-party providers
Great for
- TypeScript developers adding login to a web app
- Developers who want an auth library rather than a hosted service
- Teams already comfortable with OAuth-style sign-in
Not ideal for
- Non-developers, since it is a code library and not a ready-made app
- Projects needing a fully managed auth service with dashboards, because this is a library the developer runs themselves
- Anyone who needs verified details on setup, since the README content was unavailable to this review
How to get it
- 1
Clone and build from source
Clone the repository
git clone https://github.com/lucia-auth/lucia - 2
Run it
- Read the project homepage at lucia-auth.com for current setup documentation
- Install the library into a TypeScript project using the package instructions found in the docs
- Follow the documented example to configure sessions and sign-in
- 3
Get the most out of it
- Review the official documentation on the homepage for supported providers and session options
- Check the repository's issues and discussions for known limitations before adopting it
Downloads
Strengths
- Open source under the MIT license, which permits broad reuse
- Focused on one job, authentication, according to its description
- Has a large community interest, with about 10,000 GitHub stars
Trade-offs
- The README was not available for this review, so feature claims are limited to the description and topics
- No published release is listed, so version stability is unclear
- Auth code carries security risk, so careful review and testing are needed before production use
How it compares
| Project | Stars | Type | Level | Updated | Best for |
|---|---|---|---|---|---|
| lucia (this) | 10.5k | Library | intermediate | 3 months ago | TypeScript developers adding login to a web app |
| passport | 23.5k | Library | intermediate | 2.2 years ago | Node.js and Express developers who need to add login to an existing app |
| better-auth | 30.6k | Library | intermediate | 5 days ago | TypeScript developers who need login and access control in their own app |
Stats synced from GitHub. The assessment above was drafted with AI from the project's README on 2026-10-29 and may miss recent changes — check the README before relying on a command. MIT licence: free to use, modify and distribute, including commercially, as long as you keep the copyright notice.