Product Description Free Tier? Free Limit Pricing page
Auth0 Auth0 An authentication service providing both Username/Password and social login
7000 Auth0
Magic Magic Authentication through emails with special links
100 Magic
Firebase Authentication Firebase Authentication Both email/password and social login
No Limit Firebase Authentication
Userbase Authentication for static sites
3 Users Userbase
NextAuth.js NextAuth.js Easy implement authentication in Next.js sites
No Limit Free
Clerk All of user management, not just authentication
5000 users Clerk
Don't see your favourite tech here? Let me know what I should include in a GitHub Issue