Tag: Authentication

Guides about authentication: how apps check who a user is with passwords, sessions, social sign-in, two-factor authentication and passkeys, and how to add it to your own app.

Is Better Auth Free? The Better Auth License Explained

GitHub’s summary of the better-auth repository license: the MIT License, with permissions for commercial use, modification, distribution and private use, limitations of liability and warranty, and the condition to keep the license and copyright notice.

Better Auth is free and open source under the MIT License, so you can use it in commercial apps at no cost. Here’s what the license allows and which costs you might still meet.

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Better Auth vs Clerk: What’s the Difference?

The Comparison page of the Better Auth documentation, listing reasons to choose Better Auth over other auth libraries, over managed auth services such as keeping users in your own database with no per-user costs, and over building your own.

Better Auth is a free library that runs inside your app; Clerk is a hosted sign-in service with a free plan and paid plans. Compare cost, data, features and effort.

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Better Auth vs Auth.js (NextAuth): What’s the Difference?

The Auth.js home page with a banner at the top saying the Auth.js project is now part of Better Auth, above the heading Auth.js, Authentication for the Web, Free and open source.

Auth.js (formerly NextAuth.js) and Better Auth both add sign-in to TypeScript apps, and since 2025 the same team maintains both. Here’s how they differ and which one to choose.

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Better Auth Tutorial — Part 1: What Is Better Auth?

The Features section of the Better Auth home page, with nine areas such as framework support, built-in credential sign-in, social sign-on, multi-tenancy, enterprise single sign-on, plugins and user management.

Better Auth adds sign-up, sign-in, sessions and user accounts to a TypeScript web app, with your users kept in your own database. Part 1 of a free, hands-on Better Auth tutorial explains how it works.

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