feat: Better Auth

[koohz]

Is your feature request related to a problem? Please describe.

Although still in beta (like next-auth), another good auth package would be better-auth

Describe the solution you'd like to see

Better Auth

Describe alternate solutions

Better Auth

Additional information

No response

[aryanprince]

Any updates on this? Better Auth hit v1 a few months ago (on Nov 2023) and is such a good auth solution. Clears NextAuth/Auth.js imo and does everything better. Here are some things I can think of off the top of my head:

• Significantly better docs than NextAuth/Auth.js (very rarely did I have to Google for something, can't say the same for Auth.js v5 beta)
• Does all the basics
  • Email/password (this is not a 2nd class option on Better Auth)
  • Credentials-based auth with either email, username, or phone numbers
  • Magic Links
  • OTP (for both email and phone numbers)
  • OAuth
  • 2FA
  • Passkeys
• Lotta "advanced" stuff (built-in rate limiter, better RBAC, organizations, anonymous users, SSO and more)
• Supports Expo too (for create-t3-turbo users)
• Migration guide for existing NextAuth/Auth.js users here (can be included in the T3 docs for existing Auth.js users)

I'm only glazing on Better Auth this much because it'd be a good fit for create-t3-app cus it's also:

• OSS and self-hosted auth (just like Auth.js, unlike Clerk)
• Not a "roll your own auth on your own" solution like Lucia (mentioned it since IIRC the maintainers didn't want to add Lucia to create-t3-app)

Would love to see this added in! If this is something the maintainers would be open to, I'd love to work on the PR to get this added in!